oj.uz

Submission #698464

# Submission time Handle Problem Language Result Execution time Memory
698464 2023-02-13T14:25:21 Z karrigan Nautilus (BOI19_nautilus) C++14
100 / 100
 212 ms 684 KB 
#include<bits/stdc++.h>
using namespace std;
bitset<501>dp[2][509];
bitset<501>a[509];
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    //freopen("usaco.INP","r",stdin);
    //freopen("usaco.OUT","w",stdout);
    int n,m,k;
    cin>>n>>m>>k;
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++){
            char r;
            cin>>r;
            if (r=='.')dp[0][i][j]=a[i][j]=1;
        }
    }
    string s;
    cin>>s;
    s=" "+s;
    for (int i=1;i<=k;i++){
        if (s[i]=='?'){
        for (int j=1;j<=n;j++){
            dp[1][j]=((dp[0][j-1])|(dp[0][j+1])|(dp[0][j]>>1)|(dp[0][j]<<1));
        }
        }
        else if (s[i]=='N'){//up
            for (int j=1;j<=n;j++){
            dp[1][j]|=(dp[0][j+1]);
            }
        }
        else if (s[i]=='E'){//right
            for (int j=1;j<=n;j++){
            dp[1][j]|=(dp[0][j]<<1);
            }
        }
        else if (s[i]=='S'){//down
            for (int j=1;j<=n;j++){
            dp[1][j]|=(dp[0][j-1]);
            }
        }
        else if (s[i]=='W'){//left
            for (int j=1;j<=n;j++){
            dp[1][j]|=(dp[0][j]>>1);
            }
        }
        for (int j=1;j<=n;j++){
            dp[1][j]&=a[j];
            dp[0][j]=dp[1][j];
            dp[1][j].reset();
        }
    }
    int ans=0;
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++){
            if (dp[0][i][j]){
                ans++;
            }
        }
    }
    cout<<ans;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 356 KB Output is correct
9 Correct 1 ms 356 KB Output is correct
10 Correct 1 ms 356 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 356 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 356 KB Output is correct
9 Correct 1 ms 356 KB Output is correct
10 Correct 1 ms 356 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 356 KB Output is correct
22 Correct 110 ms 680 KB Output is correct
23 Correct 111 ms 684 KB Output is correct
24 Correct 107 ms 672 KB Output is correct
25 Correct 112 ms 676 KB Output is correct
26 Correct 104 ms 656 KB Output is correct
27 Correct 168 ms 660 KB Output is correct
28 Correct 168 ms 672 KB Output is correct
29 Correct 161 ms 664 KB Output is correct
30 Correct 168 ms 668 KB Output is correct
31 Correct 164 ms 596 KB Output is correct
32 Correct 204 ms 672 KB Output is correct
33 Correct 201 ms 668 KB Output is correct
34 Correct 208 ms 660 KB Output is correct
35 Correct 212 ms 668 KB Output is correct
36 Correct 201 ms 656 KB Output is correct