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

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// Paste me into the FileEdit configuration dialog
// Single Round Match 585 - Round 1250.0

publicclassLISNumberDivTwo {
publicintcalculate(int[] seq) {

intold = Integer.MAX_VALUE;
intresult = 0;
for (inti : seq) {
if (old >= i) {
result++;
 }
old = i;
 }
returnresult;

	}

// BEGIN CUT HERE
publicstaticvoidmain(String[] args) {
if (args.length == 0) {
LISNumberDivTwoHarness.run_test(-1);
 } else {
for (inti = 0; i < args.length; ++i)
LISNumberDivTwoHarness.run_test(Integer.valueOf(args[i]));
 }
	}
// END CUT HERE
}

// BEGIN CUT HERE
classLISNumberDivTwoHarness {
publicstaticvoidrun_test(intcasenum) {
if (casenum != -1) {
if (runTestCase(casenum) == -1)
System.err.println("Illegal input! Test case " + casenum
 + " does not exist.");
return;
 }

intcorrect = 0, total = 0;
for (inti = 0;; ++i) {
intx = runTestCase(i);
if (x == -1) {
if (i >= 100)
break;
continue;
 }
correct += x;
 ++total;
 }

if (total == 0) {
System.err.println("No test cases run.");
 } elseif (correct < total) {
System.err.println("Some cases FAILED (passed " + correct + " of "
 + total + ").");
 } else {
System.err.println("All " + total + " tests passed!");
 }
	}

staticbooleancompareOutput(intexpected, intresult) {
returnexpected == result;
	}

staticStringformatResult(intres) {
returnString.format("%d", res);
	}

staticintverifyCase(intcasenum, intexpected, intreceived) {
System.err.print("Example " + casenum + "... ");
if (compareOutput(expected, received)) {
System.err.println("PASSED");
return1;
 } else {
System.err.println("FAILED");
System.err.println(" Expected: " + formatResult(expected));
System.err.println(" Received: " + formatResult(received));
return0;
 }
	}

staticintrunTestCase(intcasenum__) {
switch (casenum__) {
case0: {
int[] seq = { 1, 4, 4, 2, 6, 3 };
intexpected__ = 4;

returnverifyCase(casenum__, expected__,
newLISNumberDivTwo().calculate(seq));
 }
case1: {
int[] seq = { 5, 8, 9, 12, 16, 32, 50 };
intexpected__ = 1;

returnverifyCase(casenum__, expected__,
newLISNumberDivTwo().calculate(seq));
 }
case2: {
int[] seq = { 1, 1, 9, 9, 2, 2, 3, 3 };
intexpected__ = 6;

returnverifyCase(casenum__, expected__,
newLISNumberDivTwo().calculate(seq));
 }
case3: {
int[] seq = { 50, 40, 30, 20, 10 };
intexpected__ = 5;

returnverifyCase(casenum__, expected__,
newLISNumberDivTwo().calculate(seq));
 }
case4: {
int[] seq = { 42 };
intexpected__ = 1;

returnverifyCase(casenum__, expected__,
newLISNumberDivTwo().calculate(seq));
 }

// custom cases

/*
 * case 5: { int[] seq = ; int expected__ = ;
 *
 * return verifyCase(casenum__, expected__, new
 * LISNumberDivTwo().calculate(seq)); }
 */
/*
 * case 6: { int[] seq = ; int expected__ = ;
 *
 * return verifyCase(casenum__, expected__, new
 * LISNumberDivTwo().calculate(seq)); }
 */
/*
 * case 7: { int[] seq = ; int expected__ = ;
 *
 * return verifyCase(casenum__, expected__, new
 * LISNumberDivTwo().calculate(seq)); }
 */
default:
return -1;
 }
	}
}

// END CUT HERE