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

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// Paste me into the FileEdit configuration dialog

publicclassSquareDigitNumbers {
publicintgetNumber(intn) {
intsquare[] = { 0, 1, 4, 9 };
intresult = 0;
intbase = 1;
while (n > 0) {
result += square[n % 4] * base;
n = n / 4;
base *= 10;
 }
returnresult;
	}

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

// BEGIN CUT HERE
classSquareDigitNumbersHarness {
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: {
intn = 0;
intexpected__ = 0;

returnverifyCase(casenum__, expected__, newSquareDigitNumbers().getNumber(n));
 }
case1: {
intn = 5;
intexpected__ = 11;

returnverifyCase(casenum__, expected__, newSquareDigitNumbers().getNumber(n));
 }
case2: {
intn = 16;
intexpected__ = 100;

returnverifyCase(casenum__, expected__, newSquareDigitNumbers().getNumber(n));
 }
case3: {
intn = 121;
intexpected__ = 1941;

returnverifyCase(casenum__, expected__, newSquareDigitNumbers().getNumber(n));
 }
case4: {
intn = 123;
intexpected__ = 1949;

returnverifyCase(casenum__, expected__, newSquareDigitNumbers().getNumber(n));
 }

// custom cases

case5: {
intn = 1000;
intexpected__ = 99440;

returnverifyCase(casenum__, expected__, new
SquareDigitNumbers().getNumber(n));
 }

/*
 * case 6: {
 * int n = ;
 * int expected__ = ;
 *
 * return verifyCase(casenum__, expected__, new
 * SquareDigitNumbers().getNumber(n));
 * }
 */
/*
 * case 7: {
 * int n = ;
 * int expected__ = ;
 *
 * return verifyCase(casenum__, expected__, new
 * SquareDigitNumbers().getNumber(n));
 * }
 */
default:
return -1;
 }
	}
}

// END CUT HERE