Submission #1417500
Source Code Expand
import java.util.*; public class Main{ static int n=3; static int[] memo=new int[100]; static String road; public static void main(String[] argc){ Scanner sc= new Scanner(System.in); n=sc.nextInt(); road=sc.next(); for(int i=0;i<100;i++) memo[i]=-1; System.out.println(dp(1)); } public static int dp(int k){ if(k>=n) return 0; else{ if(memo[k-1]!=-1) return memo[k-1]; else { memo[k-1]=Math.min(dp(k+1)+pond(k), Math.min(dp(k+2)+pond(k), dp(k+3)+pond(k))); return memo[k-1]; } } } public static int pond(int k){ if(k>road.length()) return 0; else if(road.charAt(k-1)=='X') return 1; else return 0; } }
Submission Info
Submission Time | |
---|---|
Task | B - 雨上がり |
User | RYOSKATE |
Language | Java8 (OpenJDK 1.8.0) |
Score | 50 |
Code Size | 682 Byte |
Status | AC |
Exec Time | 107 ms |
Memory | 23892 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 50 / 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 | AC | 94 ms | 20692 KB |
case_001.txt | AC | 91 ms | 20564 KB |
case_002.txt | AC | 91 ms | 17108 KB |
case_003.txt | AC | 91 ms | 19924 KB |
case_004.txt | AC | 93 ms | 17620 KB |
case_005.txt | AC | 101 ms | 19796 KB |
case_006.txt | AC | 98 ms | 19796 KB |
case_007.txt | AC | 96 ms | 20564 KB |
case_008.txt | AC | 96 ms | 21844 KB |
case_009.txt | AC | 92 ms | 21844 KB |
case_010.txt | AC | 102 ms | 19924 KB |
case_011.txt | AC | 102 ms | 21844 KB |
case_012.txt | AC | 97 ms | 21716 KB |
case_013.txt | AC | 96 ms | 21460 KB |
case_014.txt | AC | 101 ms | 21332 KB |
case_015.txt | AC | 93 ms | 19924 KB |
case_016.txt | AC | 103 ms | 23892 KB |
case_017.txt | AC | 93 ms | 21844 KB |
case_018.txt | AC | 94 ms | 19668 KB |
case_019.txt | AC | 91 ms | 19028 KB |
case_020.txt | AC | 106 ms | 21972 KB |
case_021.txt | AC | 93 ms | 20564 KB |
case_022.txt | AC | 93 ms | 21844 KB |
case_023.txt | AC | 95 ms | 19540 KB |
case_024.txt | AC | 107 ms | 21588 KB |
case_025.txt | AC | 93 ms | 20564 KB |
case_026.txt | AC | 94 ms | 18772 KB |
case_027.txt | AC | 92 ms | 21844 KB |
case_028.txt | AC | 94 ms | 21588 KB |
case_029.txt | AC | 94 ms | 21716 KB |
case_030.txt | AC | 94 ms | 21584 KB |
case_031.txt | AC | 94 ms | 17492 KB |
case_032.txt | AC | 93 ms | 21844 KB |
case_033.txt | AC | 91 ms | 19796 KB |
case_034.txt | AC | 92 ms | 20564 KB |
case_035.txt | AC | 96 ms | 18772 KB |
case_036.txt | AC | 95 ms | 17748 KB |
case_037.txt | AC | 94 ms | 19796 KB |
case_038.txt | AC | 101 ms | 19924 KB |
case_039.txt | AC | 95 ms | 19668 KB |
case_040.txt | AC | 91 ms | 19924 KB |
case_041.txt | AC | 93 ms | 21972 KB |
case_042.txt | AC | 91 ms | 19924 KB |