Submission #1692035
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define FOR(I,A,B) for(int I = (A); I < (B); ++I) #define CLR(mat) memset(mat, -1, sizeof(mat)) typedef long long ll; const int N = 100000; int kukan[100]; bool mizu(int x,string s){ if(s[x]=='.')return false; return true; }// 水ならtrue int dfs(int x,int fi,string s){ if(kukan[x] != -1) return kukan[x]; if(x==fi)return kukan[x]=0; if(fi-x<4){ if(mizu(x,s))return kukan[x]=1; return kukan[x]=0; } if(mizu(x,s)) { return kukan[x]=min(dfs(x+1,fi,s),min(dfs(x+2,fi,s),dfs(x+3,fi,s)))+1; } return kukan[x]=min(dfs(x+1,fi,s),min(dfs(x+2,fi,s),dfs(x+3,fi,s))); } int main(){ ios::sync_with_stdio(false); cin.tie(0); CLR(kukan); int ans,n; string s; cin >> n >> s; ans = dfs(0,n-1,s); cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 雨上がり |
User | kenta2997 |
Language | C++14 (GCC 5.4.1) |
Score | 50 |
Code Size | 831 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 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 | 1 ms | 256 KB |
case_001.txt | AC | 1 ms | 256 KB |
case_002.txt | AC | 1 ms | 256 KB |
case_003.txt | AC | 1 ms | 256 KB |
case_004.txt | AC | 1 ms | 256 KB |
case_005.txt | AC | 1 ms | 256 KB |
case_006.txt | AC | 1 ms | 256 KB |
case_007.txt | AC | 1 ms | 256 KB |
case_008.txt | AC | 1 ms | 256 KB |
case_009.txt | AC | 1 ms | 256 KB |
case_010.txt | AC | 1 ms | 256 KB |
case_011.txt | AC | 1 ms | 256 KB |
case_012.txt | AC | 1 ms | 256 KB |
case_013.txt | AC | 1 ms | 256 KB |
case_014.txt | AC | 1 ms | 256 KB |
case_015.txt | AC | 1 ms | 256 KB |
case_016.txt | AC | 1 ms | 256 KB |
case_017.txt | AC | 1 ms | 256 KB |
case_018.txt | AC | 1 ms | 256 KB |
case_019.txt | AC | 1 ms | 256 KB |
case_020.txt | AC | 1 ms | 256 KB |
case_021.txt | AC | 1 ms | 256 KB |
case_022.txt | AC | 1 ms | 256 KB |
case_023.txt | AC | 1 ms | 256 KB |
case_024.txt | AC | 1 ms | 256 KB |
case_025.txt | AC | 1 ms | 256 KB |
case_026.txt | AC | 1 ms | 256 KB |
case_027.txt | AC | 1 ms | 256 KB |
case_028.txt | AC | 1 ms | 256 KB |
case_029.txt | AC | 1 ms | 256 KB |
case_030.txt | AC | 1 ms | 256 KB |
case_031.txt | AC | 1 ms | 256 KB |
case_032.txt | AC | 1 ms | 256 KB |
case_033.txt | AC | 1 ms | 256 KB |
case_034.txt | AC | 1 ms | 256 KB |
case_035.txt | AC | 1 ms | 256 KB |
case_036.txt | AC | 1 ms | 256 KB |
case_037.txt | AC | 1 ms | 256 KB |
case_038.txt | AC | 1 ms | 256 KB |
case_039.txt | AC | 1 ms | 256 KB |
case_040.txt | AC | 1 ms | 256 KB |
case_041.txt | AC | 1 ms | 256 KB |
case_042.txt | AC | 1 ms | 256 KB |