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

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// Paste me into the FileEdit configuration dialog

publicclassEllysCheckers {
publicStringgetWinner(Stringboard) {
intnumMoves = 0;
for (intcurPos = 0; curPos < board.length(); curPos++) {
if (board.charAt(curPos) == 'o') {
numMoves += board.length() - curPos - 1;
 }
 }
returnnumMoves % 2 == 1 ? "YES" : "NO";
	}

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

// BEGIN CUT HERE
classEllysCheckersHarness {
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(Stringexpected, Stringresult) {
returnexpected.equals(result);
	}

staticStringformatResult(Stringres) {
returnString.format("\"%s\"", res);
	}

staticintverifyCase(intcasenum, Stringexpected, Stringreceived) {
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: {
Stringboard = ".o...";
Stringexpected__ = "YES";

returnverifyCase(casenum, expected__,
newEllysCheckers().getWinner(board));
 }
case1: {
Stringboard = "..o..o";
Stringexpected__ = "YES";

returnverifyCase(casenum, expected__,
newEllysCheckers().getWinner(board));
 }
case2: {
Stringboard = ".o...ooo..oo..";
Stringexpected__ = "NO";

returnverifyCase(casenum, expected__,
newEllysCheckers().getWinner(board));
 }
case3: {
Stringboard = "......o.ooo.o......";
Stringexpected__ = "YES";

returnverifyCase(casenum, expected__,
newEllysCheckers().getWinner(board));
 }
case4: {
Stringboard = ".o..o...o....o.....o";
Stringexpected__ = "NO";

returnverifyCase(casenum, expected__,
newEllysCheckers().getWinner(board));
 }

// custom cases

/*
 * case 5: { String board = ; String expected__ = ;
 *
 * return verifyCase(casenum, expected__, new
 * EllysCheckers().getWinner(board)); }
 */
/*
 * case 6: { String board = ; String expected__ = ;
 *
 * return verifyCase(casenum, expected__, new
 * EllysCheckers().getWinner(board)); }
 */
/*
 * case 7: { String board = ; String expected__ = ;
 *
 * return verifyCase(casenum, expected__, new
 * EllysCheckers().getWinner(board)); }
 */
default:
return -1;
 }
	}
}

// END CUT HERE