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2 changes: 2 additions & 0 deletions README.md
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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java.
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15
86 changes: 32 additions & 54 deletions usacotools.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
* USACOTOOLS-Official version
* This is the official version.
*
*/
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
return new String(charArray);
}
public static BufferedReader mreader(String filen) throws IOException {
//Make a reader
return new BufferedReader(new FileReader(filen));
}
public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

}
public static long slowfib(long num){
//Slow recursion fibonnaci
if(num<=1) {
return num;
}
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
}
public static ArrayList<Long> fibmem=new ArrayList<Long>();
public static long ffib(long n){
/*
* Fibonnaci implemented with DP
*/
if(n<=1) {
return n;
}
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
}
public static void show2Darr(int[][] a) {
//Print out a 2D array for you
for(int[] b:a) {
for(int c:b) {
print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
}
}
public static void showarr(int[] a) {
//Print out a array for you
for(int x:a) {print(x+" ");}
}
public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
public static void kssetup(int n,int W) {
dpcache=new int[n+1][W+1];
}
public static void main(String[] args) throws Exception{
public static int count(int[] arr) {
/*
* Short demo of stuff
* Making an error would also demo error reporting
*
* Number of groups of 1s
* Modify for other purposes if needed
* Example
* 1111000111
* Returns 2
*
*/
System.out.println("Running demo");
Scanner sc=getsysscan();
print("Welcome to the demo");
print(">","");
int val;
/*
int[][] testarray= {
{1,1,2,7,7,1,1,1},
{1,1,4,0,7,1,2,2},
{0,3,6,9,1,0,0,0},
{0,3,0,1,0,0,0,0},
{0,3,0,0,0,0,0,0},
{1,1,5,1,3,1,1,1},
{1,1,1,1,3,1,1,1},
};
*/
int[][] testarray= {
{1,2,3,1},
{4,5,6,2},
{7,8,9,3},
{10,69,1,4}

};
print("Roation of 90 degrees\n Before \n ");
show2Darr(testarray);
print("After \n");
show2Darr(rotate90cw(testarray));
print("BEFORE:");
int[][] ii= {
{1,1,2,3},
{1,0,2,1},
{1,1,1,1},
{1,2,3,4}
};
show2Darr(ii);
print("After H reflect:");
show2Darr(reverseh(ii));

try {
val=sc.nextInt();
}catch(Exception e) {
print("Oops that did not go well please rerun and choose a INTEGER");
val=-1;
report(e);
print("How about we test error reporting");
console();
}
if(1==val) {

boolean b=false;int c=0;int temp;
for(int i=0;i<arr.length;i++) {
temp=arr[i];
if(temp==0 && b) {
b=false;
c++;
}
if(temp==1 && b==false) {
b=true;
}
}
return c;
}
public static void main(String[] args) throws Exception{
print("the demo has been removed do to lack of support. Instead we display info about the library.");
}
}
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
. Use releases when possible otherwise download usacotools.java. 
# Release dates and more
Find release dates at https://javaarchive.github.io/Java/
# Beta 2 SHA-256 verifacation(new)
521EF445C6333947B399629D0F9F52A27BB0D58F00750CFD90B6A4902856CC15

86 changes: 32 additions & 54 deletions
usacotools.java

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@

/*
 * USACOTOOLS-Official version
 * This is the official version.
 * 
 */
import java.util.*;
import java.io.*;
public abstract class usacotools {
Expand DownExpand Up@@ -105,6 +109,7 @@ public static String changen(int position, char ch, String str){
 return new String(charArray);
	}
	public static BufferedReader mreader(String filen) throws IOException {
 //Make a reader
 return new BufferedReader(new FileReader(filen));
	}
	public static PrintWriter mwriter(String filen) throws IOException {
Expand DownExpand Up@@ -309,6 +314,7 @@ public static int classify(char x,char off,char on) {

 }
 public static long slowfib(long num){
 //Slow recursion fibonnaci
 if(num<=1) {
 return num;
 }
Expand All@@ -317,6 +323,9 @@ public static long slowfib(long num){
 }
 public static ArrayList<Long> fibmem=new ArrayList<Long>();
 public static long ffib(long n){
 /*
 * Fibonnaci implemented with DP
 */
 if(n<=1) {
 return n;
 }
Expand All@@ -335,6 +344,7 @@ public static void setupfib() {
 fibmem.add((long) 0);fibmem.add((long)1);fibmem.add((long)1);fibmem.add((long)2);
 }
 public static void show2Darr(int[][] a) {
 //Print out a 2D array for you
 for(int[] b:a) {
 for(int c:b) {
 print(c+" ","");
Expand All@@ -344,6 +354,7 @@ public static void show2Darr(int[][] a) {
 }
 }
 public static void showarr(int[] a) {
 //Print out a array for you
 for(int x:a) {print(x+" ");}
 }
	public static int[][] dpcache;
Expand All@@ -366,62 +377,29 @@ public static int ks(int W,int[] wt,int[] val,int n) {
	public static void kssetup(int n,int W) {
 dpcache=new int[n+1][W+1];
	}
	public static void main(String[] args) throws Exception{
	public static int count(int[] arr) {
 /*
 * Short demo of stuff
 * Making an error would also demo error reporting
 * 
 * Number of groups of 1s
 * Modify for other purposes if needed
 * Example
 * 1111000111
 * Returns 2
 * 
 */
 System.out.println("Running demo");
 Scanner sc=getsysscan();
 print("Welcome to the demo");
 print(">","");
 int val;
 /*
 int[][] testarray= {
 {1,1,2,7,7,1,1,1},
 {1,1,4,0,7,1,2,2},
 {0,3,6,9,1,0,0,0},
 {0,3,0,1,0,0,0,0},
 {0,3,0,0,0,0,0,0},
 {1,1,5,1,3,1,1,1},
 {1,1,1,1,3,1,1,1},
 };
 */
 int[][] testarray= {
 {1,2,3,1},
 {4,5,6,2},
 {7,8,9,3},
 {10,69,1,4}

 };
 print("Roation of 90 degrees\n Before \n ");
 show2Darr(testarray);
 print("After \n");
 show2Darr(rotate90cw(testarray));
 print("BEFORE:");
 int[][] ii= {
 {1,1,2,3},
 {1,0,2,1},
 {1,1,1,1},
 {1,2,3,4}
 };
 show2Darr(ii);
 print("After H reflect:");
 show2Darr(reverseh(ii));

 try {
 val=sc.nextInt();
 }catch(Exception e) {
 print("Oops that did not go well please rerun and choose a INTEGER");
 val=-1;
 report(e);
 print("How about we test error reporting");
 console();
 }
 if(1==val) {

 boolean b=false;int c=0;int temp;
 for(int i=0;i<arr.length;i++) {
 temp=arr[i];
 if(temp==0 && b) {
 b=false;
 c++;
 }
 if(temp==1 && b==false) {
 b=true;
 }
 }
 return c;
	}
	public static void main(String[] args) throws Exception{
 print("the demo has been removed do to lack of support. Instead we display info about the library.");
	}
}