topcoder/src/GearsDiv2.java at master · yuki2006/topcoder · GitHub

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importjava.util.Arrays;

// Paste me into the FileEdit configuration dialog
// Single Round Match 589 - Round 1500.0
publicclassGearsDiv2 {
privatechar[] charArrays;

privateintr(intp) {
returnp % charArrays.length;
	}
//アイデアの参考: http://snuke.hatenablog.com/entry/2013/08/27/214629
publicintgetmin(StringDirections) {
intmin = Integer.MAX_VALUE;
for (intj = 0; j < 2; j++) {
charArrays = Directions.toCharArray();
intcount = 0;
//最初と最後の文字が同じときは空白にする
if (j == 1) {
charArrays[0] = 0;
count++;
 }
for (inti = 0; i < charArrays.length; i++) {
if (charArrays[i] == charArrays[r(i + 1)] && charArrays[i] != 0) {
charArrays[r(i + 1)] = 0;
count++;
 }
 }
min = Math.min(count, min);
 }

returnmin;
	}

// BEGIN CUT HERE
publicstaticvoidmain(String[] args) {
if (args.length == 0) {
GearsDiv2Harness.run_test(-1);
 } else {
for (inti = 0; i < args.length; ++i)
GearsDiv2Harness.run_test(Integer.valueOf(args[i]));
 }
	}
// END CUT HERE
}

// BEGIN CUT HERE
classGearsDiv2Harness {
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: {
StringDirections = "LRRR";
intexpected__ = 1;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }
case1: {
StringDirections = "RRR";
intexpected__ = 2;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }
case2: {
StringDirections = "LRLR";
intexpected__ = 0;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }
case3: {
StringDirections = "LRLLRRLLLRRRLLLL";
intexpected__ = 6;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }
case4: {
StringDirections = "RRRRRRRLRRRRRRRLRLRLLRLRLRLRRLRLRLLLRLRLLRLLRRLRRR";
intexpected__ = 14;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }

// custom cases

case5: {
StringDirections = "RRLLRR";
intexpected__ = 3;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }

case6: {
StringDirections = "RRRRLLLRLLR";
intexpected__ = 4;

returnverifyCase(casenum__, expected__,
newGearsDiv2().getmin(Directions));
 }

/*
 * case 7: { String Directions = ; int expected__ = ;
 *
 * return verifyCase(casenum__, expected__, new
 * GearsDiv2().getmin(Directions)); }
 */
default:
return -1;
 }
	}
}

// END CUT HERE