static int runTestCase(int casenum) {
		switch (casenum) {
		case 0: {
			int[] T = { 0, 2, 5 };
			int expected__ = 5;

			return verifyCase(casenum, expected__, new GogoXBallsAndBinsEasy().solve(T));
		}
		case 1: {
			int[] T = { 5, 6, 7, 8 };
			int expected__ = 4;

			return verifyCase(casenum, expected__, new GogoXBallsAndBinsEasy().solve(T));
		}
		case 2: {
			int[] T = { 0, 1, 2, 10 };
			int expected__ = 11;

			return verifyCase(casenum, expected__, new GogoXBallsAndBinsEasy().solve(T));
		}
		case 3: {
			int[] T = { 1, 2, 3, 4, 5, 6, 7, 8 };
			int expected__ = 16;

			return verifyCase(casenum, expected__, new GogoXBallsAndBinsEasy().solve(T));
		}

		// custom cases

		/*
		 * case 4: {
		 * int[] T = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * GogoXBallsAndBinsEasy().solve(T));
		 * }
		 */
		/*
		 * case 5: {
		 * int[] T = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * GogoXBallsAndBinsEasy().solve(T));
		 * }
		 */
		/*
		 * case 6: {
		 * int[] T = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * GogoXBallsAndBinsEasy().solve(T));
		 * }
		 */
		default:
			return -1;
		}
	}