제출 #314126

#제출 시각아이디문제언어결과실행 시간메모리
314126kimbj0709Nautilus (BOI19_nautilus)C++14
100 / 100
199 ms512 KiB
#include <bits/stdc++.h> using namespace std; const int maxn = 505; int32_t main() { ios::sync_with_stdio(0); cin.tie(0);cout.tie(0); bitset<maxn> dp[maxn][2]; bitset<maxn> arr[maxn]; int n,m,len; cin >> n >> m >> len; string input; char inp; for(int i=1;i<=n;i++){ cin >> input; for(int j=1;j<=m;j++){ if(input.at(j-1)=='.'){ arr[i][j] = 1; } } dp[i][0] = arr[i]; } cin >> input; for(int i=0;i<len;i++){ for(int a=1;a<=n;a++){ if(input.at(i)=='N'){ dp[a][(i+1)&1] = dp[a+1][i&1]; } if(input.at(i)=='S'){ dp[a][(i+1)&1] = dp[a-1][i&1]; } if(input.at(i)=='W'){ dp[a][(i+1)&1] = dp[a][i&1] >> 1; } if(input.at(i)=='E'){ dp[a][(i+1)&1] = dp[a][i&1] << 1; } if(input.at(i)=='?'){ dp[a][(i+1)&1] = (dp[a][i&1] << 1)|(dp[a][i&1] >> 1)|(dp[a-1][i&1])|(dp[a+1][i&1]); } dp[a][(i+1)&1] &= arr[a]; } } int ans = 0; for(int i=1;i<=n;i++){ ans += dp[i][(input.length())&1].count(); } cout << ans; }

컴파일 시 표준 에러 (stderr) 메시지

nautilus.cpp: In function 'int32_t main()':
nautilus.cpp:12:8: warning: unused variable 'inp' [-Wunused-variable]
   12 |   char inp;
      |        ^~~
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