oj.uz

Submission #388131

# Submission time Handle Problem Language Result Execution time Memory
388131 2021-04-10T08:11:14 Z leaked Nautilus (BOI19_nautilus) C++14
100 / 100
 232 ms 968 KB 
#include <bits/stdc++.h>
//#pra
using namespace std;
const int N=5e2+1;
const int tx[4]={1,-1,0,0};
const int ty[4]={0,0,1,-1};
const char w[5]={'S','N','E','W','?'};
//bool can[2][N][N];
bitset<N>can[2][N];
bitset<N>homo[N];
bitset<N> clr;
char a[N][N];
signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>a[i][j];
        }
    }
    string s;
    cin>>s;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            if(a[i][j]!='#') can[0][i][j]=1,homo[i][j]=1;
        }
    }
    for(int t=0;t<k;t++){
        int tp=find(w,w+5,s[t])-w;
//        cerr<<tp<<endl;
        for(int i=0;i<n;i++) can[1][i].reset();
        for(int i=0;i<n;i++){
//            for(int j=0;j<m;j++){
//                can[1][i][j]=0;
//                if(a[i][j]=='#') {continue;}

                for(int x=0;x<4;x++){
                    if(tp==x || tp==4){
                        if(x==0) {if(i)can[1][i]|=can[0][i-1];}
                        else if(x==1){if(i+1<n)can[1][i]|=can[0][i+1];}
                        else if(x==2) {can[1][i]|=(can[0][i]<<1);}
                        else if(x==3) {can[1][i]|=(can[0][i]>>1);}
                    }
                }
                can[1][i]&=homo[i];
//            }
        }
        swap(can[1],can[0]);
    }
    int ans=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++) ans+=can[0][i][j];
    }
    cout<<ans;
    return 0;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 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 2 ms 332 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 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 2 ms 332 KB Output is correct
7 Correct 2 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 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 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 2 ms 332 KB Output is correct
7 Correct 2 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 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 133 ms 644 KB Output is correct
23 Correct 140 ms 900 KB Output is correct
24 Correct 131 ms 836 KB Output is correct
25 Correct 131 ms 908 KB Output is correct
26 Correct 134 ms 828 KB Output is correct
27 Correct 182 ms 844 KB Output is correct
28 Correct 188 ms 900 KB Output is correct
29 Correct 187 ms 968 KB Output is correct
30 Correct 202 ms 896 KB Output is correct
31 Correct 181 ms 968 KB Output is correct
32 Correct 225 ms 900 KB Output is correct
33 Correct 232 ms 904 KB Output is correct
34 Correct 224 ms 896 KB Output is correct
35 Correct 223 ms 844 KB Output is correct
36 Correct 221 ms 844 KB Output is correct