Submission #1417392


Source Code Expand

import java.util.*;

public class Main{
    static int[] dp;

    public static int dfs(int k,int b,String s){
        if(k == b)return dp[k-1];
        
        int count;
        int min = -1;
        for(int i=1;i<4;i++){
            if(k-i >= 0){
                count = dp[k-i];
                if(min > count || min == -1) min = count;
            }
        }
        if(s.charAt(k) == 'X') min++;
        dp[k] = min;
        dfs(k+1,b,s);
        return dp[b-1];
    }
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int block = sc.nextInt();
        String str = sc.next();
        dp = new int[block];

        for(int i=0;i<block;i++){
            dp[i] = 0;
        }
        
        System.out.println(dfs(1,block,str));
    }    
}

Submission Info

Submission Time
Task B - 雨上がり
User RYOSKATE
Language Java8 (OpenJDK 1.8.0)
Score 50
Code Size 828 Byte
Status AC
Exec Time 108 ms
Memory 23764 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 93 ms 17620 KB
case_001.txt AC 98 ms 18772 KB
case_002.txt AC 93 ms 16980 KB
case_003.txt AC 90 ms 19924 KB
case_004.txt AC 91 ms 20688 KB
case_005.txt AC 90 ms 21844 KB
case_006.txt AC 92 ms 20564 KB
case_007.txt AC 91 ms 19924 KB
case_008.txt AC 91 ms 19924 KB
case_009.txt AC 97 ms 21972 KB
case_010.txt AC 91 ms 18644 KB
case_011.txt AC 96 ms 19924 KB
case_012.txt AC 95 ms 20692 KB
case_013.txt AC 95 ms 20052 KB
case_014.txt AC 95 ms 21588 KB
case_015.txt AC 91 ms 18644 KB
case_016.txt AC 98 ms 18644 KB
case_017.txt AC 93 ms 21972 KB
case_018.txt AC 93 ms 20692 KB
case_019.txt AC 92 ms 21588 KB
case_020.txt AC 93 ms 23764 KB
case_021.txt AC 101 ms 20052 KB
case_022.txt AC 92 ms 21716 KB
case_023.txt AC 99 ms 19924 KB
case_024.txt AC 92 ms 19924 KB
case_025.txt AC 99 ms 18644 KB
case_026.txt AC 99 ms 20820 KB
case_027.txt AC 92 ms 21716 KB
case_028.txt AC 92 ms 20820 KB
case_029.txt AC 93 ms 19412 KB
case_030.txt AC 93 ms 18644 KB
case_031.txt AC 94 ms 18896 KB
case_032.txt AC 91 ms 19796 KB
case_033.txt AC 93 ms 20564 KB
case_034.txt AC 92 ms 20564 KB
case_035.txt AC 93 ms 17492 KB
case_036.txt AC 108 ms 19028 KB
case_037.txt AC 95 ms 21844 KB
case_038.txt AC 104 ms 20052 KB
case_039.txt AC 101 ms 21076 KB
case_040.txt AC 93 ms 21588 KB
case_041.txt AC 92 ms 21844 KB
case_042.txt AC 92 ms 21972 KB