topcoder/src/PowersOfTwo.java at master · yuki2006/topcoder · GitHub

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importjava.util.*;
importjava.util.regex.*;
importjava.text.*;
importjava.math.*;

publicclassPowersOfTwo {
publiclongcount(long[] powers) {
HashSet<Long> set = newHashSet<>();
set.add(0L);
for (inti = 0; i < powers.length; i++) {
HashSet<Long> newSet = newHashSet<>();
for (Longl : set) {
newSet.add(l + powers[i]);
 }
newSet.addAll(set);
set = newSet;
 }
returnset.size();
	}

// BEGIN KAWIGIEDIT TESTING
// Generated by KawigiEdit-pf 2.3.0
privatestaticbooleanKawigiEdit_RunTest(inttestNum, long[] p0,
booleanhasAnswer, longp1) {
System.out.print("Test " + testNum + ": [" + "{");
for (inti = 0; p0.length > i; ++i) {
if (i > 0) {
System.out.print(",");
 }
System.out.print(p0[i]);
 }
System.out.print("}");
System.out.println("]");
PowersOfTwoobj;
longanswer;
obj = newPowersOfTwo();
longstartTime = System.currentTimeMillis();
answer = obj.count(p0);
longendTime = System.currentTimeMillis();
booleanres;
res = true;
System.out.println("Time: " + (endTime - startTime) / 1000.0
 + " seconds");
if (hasAnswer) {
System.out.println("Desired answer:");
System.out.println("\t" + p1);
 }
System.out.println("Your answer:");
System.out.println("\t" + answer);
if (hasAnswer) {
res = answer == p1;
 }
if (!res) {
System.out.println("DOESN'T MATCH!!!!");
 } elseif ((endTime - startTime) / 1000.0 >= 2) {
System.out.println("FAIL the timeout");
res = false;
 } elseif (hasAnswer) {
System.out.println("Match :-)");
 } else {
System.out.println("OK, but is it right?");
 }
System.out.println("");
returnres;
	}

publicstaticvoidmain(String[] args) {
booleanall_right;
booleandisabled;
booleantests_disabled;
all_right = true;
tests_disabled = false;

long[] p0;
longp1;

// ----- test 0 -----
disabled = false;
p0 = newlong[] { 1L, 2L };
p1 = 4L;
all_right = (disabled || KawigiEdit_RunTest(0, p0, true, p1))
 && all_right;
tests_disabled = tests_disabled || disabled;
// ------------------

// ----- test 1 -----
disabled = false;
p0 = newlong[] { 1L, 1L, 1L, 1L };
p1 = 5L;
all_right = (disabled || KawigiEdit_RunTest(1, p0, true, p1))
 && all_right;
tests_disabled = tests_disabled || disabled;
// ------------------

// ----- test 2 -----
disabled = false;
p0 = newlong[] { 1L, 2L, 2L, 2L, 4L, 4L, 16L };
p1 = 32L;
all_right = (disabled || KawigiEdit_RunTest(2, p0, true, p1))
 && all_right;
tests_disabled = tests_disabled || disabled;
// ------------------

// ----- test 3 -----
disabled = false;
p0 = newlong[] { 1L, 32L, 1L, 16L, 32L };
p1 = 18L;
all_right = (disabled || KawigiEdit_RunTest(3, p0, true, p1))
 && all_right;
tests_disabled = tests_disabled || disabled;
// ------------------

// ----- test 4 -----
disabled = false;
p0 = newlong[] { 1048576L, 1073741824L, 549755813888L,
70368744177664L, 4398046511104L, 262144L, 1048576L, 2097152L,
8796093022208L, 1048576L, 1048576L, 35184372088832L, 2097152L,
256L, 256L, 256L, 262144L, 1048576L, 1048576L, 70368744177664L,
262144L, 1048576L };
p1 = 18432L;
all_right = (disabled || KawigiEdit_RunTest(4, p0, true, p1))
 && all_right;
tests_disabled = tests_disabled || disabled;
// ------------------

if (all_right) {
if (tests_disabled) {
System.out
 .println("You're a stud (but some test cases were disabled)!");
 } else {
System.out.println("You're a stud (at least on given cases)!");
 }
 } else {
System.out.println("Some of the test cases had errors.");
 }
	}
// END KAWIGIEDIT TESTING
}

// Powered by KawigiEdit-pf 2.3.0!