Submission #1417444


Source Code Expand

import java.util.Scanner;

public class Main{
	static Scanner sc = new Scanner(System.in);
	private static int N = sc.nextInt();
	private static int[] Step = new int[N];
	private static char[] S = new char[N];;

	public static void main(String[] args) {
		String line = sc.next();
		for (int i = 0; i < N; i++) {
			S[i] = line.charAt(i);
		}
		for (int i = 0; i < N; i++) {
			Step[i] = -1;
		}

		System.out.println(dfs(0));

	}

	private static int dfs(int k) {
		if (k >= N - 1) {
			return 0;
		}

		if (Step[k] != -1) {
			return Step[k];
		}

		int result = 1000;
		int temp = 0;

		if (S[k] == 'X') {
			temp = 1;
		}

		for (int i = 1; i < 4; i++) {
			result = Math.min(result, dfs(k + i) + temp);
		}
		return Step[k] = result;

	}
}

Submission Info

Submission Time
Task B - 雨上がり
User RYOSKATE
Language Java8 (OpenJDK 1.8.0)
Score 50
Code Size 787 Byte
Status AC
Exec Time 104 ms
Memory 23892 KB

Judge Result

Set Name All
Score / Max Score 50 / 50
Status
AC × 43
Set Name Test Cases
All case_000.txt, case_001.txt, case_002.txt, case_003.txt, case_004.txt, case_005.txt, case_006.txt, case_007.txt, case_008.txt, case_009.txt, case_010.txt, case_011.txt, case_012.txt, case_013.txt, case_014.txt, case_015.txt, case_016.txt, case_017.txt, case_018.txt, case_019.txt, case_020.txt, case_021.txt, case_022.txt, case_023.txt, case_024.txt, case_025.txt, case_026.txt, case_027.txt, case_028.txt, case_029.txt, case_030.txt, case_031.txt, case_032.txt, case_033.txt, case_034.txt, case_035.txt, case_036.txt, case_037.txt, case_038.txt, case_039.txt, case_040.txt, case_041.txt, case_042.txt
Case Name Status Exec Time Memory
case_000.txt AC 94 ms 19796 KB
case_001.txt AC 104 ms 19796 KB
case_002.txt AC 92 ms 20692 KB
case_003.txt AC 93 ms 21076 KB
case_004.txt AC 97 ms 18644 KB
case_005.txt AC 101 ms 21712 KB
case_006.txt AC 99 ms 19796 KB
case_007.txt AC 92 ms 19796 KB
case_008.txt AC 91 ms 23892 KB
case_009.txt AC 92 ms 19668 KB
case_010.txt AC 95 ms 19284 KB
case_011.txt AC 92 ms 19796 KB
case_012.txt AC 93 ms 18900 KB
case_013.txt AC 91 ms 20692 KB
case_014.txt AC 93 ms 19028 KB
case_015.txt AC 93 ms 20948 KB
case_016.txt AC 92 ms 18644 KB
case_017.txt AC 102 ms 16972 KB
case_018.txt AC 93 ms 19412 KB
case_019.txt AC 102 ms 21204 KB
case_020.txt AC 96 ms 18640 KB
case_021.txt AC 92 ms 21716 KB
case_022.txt AC 96 ms 21588 KB
case_023.txt AC 96 ms 21844 KB
case_024.txt AC 102 ms 19412 KB
case_025.txt AC 94 ms 21588 KB
case_026.txt AC 93 ms 16848 KB
case_027.txt AC 94 ms 19540 KB
case_028.txt AC 103 ms 19412 KB
case_029.txt AC 98 ms 21716 KB
case_030.txt AC 92 ms 21332 KB
case_031.txt AC 94 ms 21844 KB
case_032.txt AC 92 ms 21844 KB
case_033.txt AC 94 ms 23124 KB
case_034.txt AC 93 ms 22868 KB
case_035.txt AC 94 ms 21588 KB
case_036.txt AC 95 ms 21588 KB
case_037.txt AC 94 ms 20676 KB
case_038.txt AC 93 ms 18900 KB
case_039.txt AC 94 ms 21712 KB
case_040.txt AC 93 ms 21972 KB
case_041.txt AC 92 ms 18644 KB
case_042.txt AC 94 ms 18644 KB