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Submission #314126

# Submission time Handle Problem Language Result Execution time Memory
314126 2020-10-18T15:22:53 Z kimbj0709 Nautilus (BOI19_nautilus) C++14
100 / 100
 199 ms 512 KB 
#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;
}

Compilation message

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

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 90 ms 384 KB Output is correct
23 Correct 90 ms 384 KB Output is correct
24 Correct 87 ms 384 KB Output is correct
25 Correct 86 ms 384 KB Output is correct
26 Correct 82 ms 484 KB Output is correct
27 Correct 147 ms 384 KB Output is correct
28 Correct 149 ms 384 KB Output is correct
29 Correct 150 ms 384 KB Output is correct
30 Correct 150 ms 504 KB Output is correct
31 Correct 149 ms 512 KB Output is correct
32 Correct 196 ms 384 KB Output is correct
33 Correct 195 ms 512 KB Output is correct
34 Correct 199 ms 504 KB Output is correct
35 Correct 196 ms 488 KB Output is correct
36 Correct 194 ms 504 KB Output is correct