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

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importjava.util.Arrays;

// Paste me into the FileEdit configuration dialog
// SRM 463 DIV 2 - 500.0
publicclassRabbitNumbering {
publicinttheCount(int[] maxNumber) {
Arrays.sort(maxNumber);
longcurrent = 1;
for (inti = 0; i < maxNumber.length; i++) {
intx = maxNumber[i] - i;
current *= x;
current %= 1000000007;
 }
return (int) (current);
	}

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

// BEGIN CUT HERE
classRabbitNumberingHarness {
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[] maxNumber = { 5 };
intexpected__ = 5;

returnverifyCase(casenum__, expected__,
newRabbitNumbering().theCount(maxNumber));
 }
case1: {
int[] maxNumber = { 4, 4, 4, 4 };
intexpected__ = 24;

returnverifyCase(casenum__, expected__,
newRabbitNumbering().theCount(maxNumber));
 }
case2: {
int[] maxNumber = { 5, 8 };
intexpected__ = 35;

returnverifyCase(casenum__, expected__,
newRabbitNumbering().theCount(maxNumber));
 }
case3: {
int[] maxNumber = { 2, 1, 2 };
intexpected__ = 0;

returnverifyCase(casenum__, expected__,
newRabbitNumbering().theCount(maxNumber));
 }
case4: {
int[] maxNumber = { 25, 489, 76, 98, 704, 98, 768, 39, 697, 8, 56,
74, 36, 95, 87, 2, 968, 4, 920, 54, 873, 90 };
intexpected__ = 676780400;

returnverifyCase(casenum__, expected__,
newRabbitNumbering().theCount(maxNumber));
 }

// custom cases

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

// END CUT HERE