Submission #1400488
Source Code Expand
import java.util.*; public class Main { static int[] dp; static int N; static String S; static int dfs(int k){ if(k>=N) return 0; if(dp[k]!=-1) return dp[k]; int a=0,min=-1; for(int i=1;i<=3;i++){ a=dfs(k+i); if(S.charAt(k)=='X') a++; if(min>a||min==-1) min=a; } return dp[k]=min; } public static void main(String[] args){ Scanner s=new Scanner(System.in); int N=s.nextInt(); String S=s.next(); dp=new int[N]; for(int i=0;i<N;i++){ dp[i]=-1; } System.out.println(dfs(0)); } }
Submission Info
Submission Time | |
---|---|
Task | B - 雨上がり |
User | Kuma00 |
Language | Java8 (OpenJDK 1.8.0) |
Score | 0 |
Code Size | 568 Byte |
Status | WA |
Exec Time | 103 ms |
Memory | 23892 KB |
Judge Result
Set Name | All | ||||
---|---|---|---|---|---|
Score / Max Score | 0 / 50 | ||||
Status |
|
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 | WA | 92 ms | 20564 KB |
case_001.txt | WA | 93 ms | 20820 KB |
case_002.txt | AC | 92 ms | 21716 KB |
case_003.txt | AC | 92 ms | 20564 KB |
case_004.txt | AC | 94 ms | 21712 KB |
case_005.txt | AC | 93 ms | 21588 KB |
case_006.txt | WA | 93 ms | 20564 KB |
case_007.txt | WA | 92 ms | 21716 KB |
case_008.txt | WA | 93 ms | 19796 KB |
case_009.txt | WA | 93 ms | 21332 KB |
case_010.txt | WA | 92 ms | 19668 KB |
case_011.txt | AC | 94 ms | 17492 KB |
case_012.txt | WA | 93 ms | 20948 KB |
case_013.txt | WA | 93 ms | 19024 KB |
case_014.txt | WA | 93 ms | 19028 KB |
case_015.txt | WA | 91 ms | 19028 KB |
case_016.txt | WA | 92 ms | 19924 KB |
case_017.txt | WA | 94 ms | 21460 KB |
case_018.txt | WA | 96 ms | 23380 KB |
case_019.txt | WA | 92 ms | 20692 KB |
case_020.txt | WA | 93 ms | 19668 KB |
case_021.txt | WA | 103 ms | 19796 KB |
case_022.txt | WA | 93 ms | 18772 KB |
case_023.txt | WA | 93 ms | 18644 KB |
case_024.txt | WA | 91 ms | 19924 KB |
case_025.txt | WA | 92 ms | 21716 KB |
case_026.txt | WA | 94 ms | 23892 KB |
case_027.txt | WA | 94 ms | 23124 KB |
case_028.txt | AC | 93 ms | 23508 KB |
case_029.txt | AC | 92 ms | 19284 KB |
case_030.txt | WA | 92 ms | 19796 KB |
case_031.txt | WA | 93 ms | 18900 KB |
case_032.txt | AC | 94 ms | 21844 KB |
case_033.txt | WA | 93 ms | 21716 KB |
case_034.txt | WA | 100 ms | 23636 KB |
case_035.txt | AC | 97 ms | 19924 KB |
case_036.txt | WA | 99 ms | 17620 KB |
case_037.txt | AC | 99 ms | 19796 KB |
case_038.txt | WA | 101 ms | 20560 KB |
case_039.txt | WA | 94 ms | 21712 KB |
case_040.txt | WA | 94 ms | 19412 KB |
case_041.txt | WA | 92 ms | 19668 KB |
case_042.txt | WA | 100 ms | 16980 KB |