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Submission #475898

# Submission time Handle Problem Language Result Execution time Memory
475898 2021-09-24T10:43:11 Z fadi57 Nautilus (BOI19_nautilus) C++14
100 / 100
 188 ms 968 KB 
#include<bits/stdc++.h>
using namespace std;
const int mx=505;
typedef long long ll;
int mod=998244353 ;
const int MXm=22;
#define F first
#define S second
const int inf=1e9+10;

bitset<mx> dp[mx];
bitset<mx> dp2[mx];//the previous
bitset<mx>row[mx];
char ss[mx][mx];
string s;
void solve(){
int n,m,k;
cin>>n>>m>>k;
for(int i =0;i<n;i++){

    for(int j=0;j<m;j++){

        cin>>ss[i][j];
        if(ss[i][j]=='.'){

            dp[i][j]=1;
            row[i][j]=1;
        }
    }

}
cin>>s;
 for(int i=1;i<=k;i++){

        for(int i=0;i<n;i++){
            dp2[i]=dp[i];
            dp[i]&=0;
        }
    if(s[i-1]=='N'||s[i-1]=='?'){
              for(int j=0;j<n;j++){

                dp[j]|=(dp2[j+1]&row[j]);

              }

            }
             if(s[i-1]=='S'||s[i-1]=='?'){

            for(int j=1;j<n;j++){

         dp[j]|=(dp2[j-1]&row[j]);

            }

            }
            if(s[i-1]=='E'||s[i-1]=='?'){

              for(int j=0;j<n;j++){


             dp[j]|=((dp2[j]<<1)&row[j]);
              }

            }
             if(s[i-1]=='W'||s[i-1]=='?'){

               for(int j=0;j<n;j++){

        dp[j]|=((dp2[j]>>1)&row[j]);

               }

            }

  }

ll ans=0;
for(int i =0;i<n;i++){

    ans+=dp[i].count();

}

cout<<ans;
return;
 }
 int main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
	 int t;t=1;
	 while(t--){

   solve();


	 }


	}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 117 ms 672 KB Output is correct
23 Correct 86 ms 844 KB Output is correct
24 Correct 96 ms 844 KB Output is correct
25 Correct 83 ms 844 KB Output is correct
26 Correct 85 ms 884 KB Output is correct
27 Correct 139 ms 844 KB Output is correct
28 Correct 144 ms 912 KB Output is correct
29 Correct 140 ms 908 KB Output is correct
30 Correct 153 ms 968 KB Output is correct
31 Correct 136 ms 884 KB Output is correct
32 Correct 165 ms 844 KB Output is correct
33 Correct 188 ms 904 KB Output is correct
34 Correct 170 ms 904 KB Output is correct
35 Correct 162 ms 956 KB Output is correct
36 Correct 161 ms 844 KB Output is correct