static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int[] altitude = { 30, 20, 20, 10 };
			int expected__ = 0;

			return verifyCase(casenum__, expected__,
					new SkiResortsEasy().minCost(altitude));
		}
		case 1: {
			int[] altitude = { 5, 7, 3 };
			int expected__ = 2;

			return verifyCase(casenum__, expected__,
					new SkiResortsEasy().minCost(altitude));
		}
		case 2: {
			int[] altitude = { 6, 8, 5, 4, 7, 4, 2, 3, 1 };
			int expected__ = 6;

			return verifyCase(casenum__, expected__,
					new SkiResortsEasy().minCost(altitude));
		}
		case 3: {
			int[] altitude = { 749, 560, 921, 166, 757, 818, 228, 584, 366, 88 };
			int expected__ = 2284;

			return verifyCase(casenum__, expected__,
					new SkiResortsEasy().minCost(altitude));
		}
		case 4: {
			int[] altitude = { 712, 745, 230, 200, 648, 440, 115, 913, 627,
					621, 186, 222, 741, 954, 581, 193, 266, 320, 798, 745 };
			int expected__ = 6393;

			return verifyCase(casenum__, expected__,
					new SkiResortsEasy().minCost(altitude));
		}

		// custom cases

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