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Submission #443578

# Submission time Handle Problem Language Result Execution time Memory
443578 2021-07-10T21:56:45 Z JovanB Nautilus (BOI19_nautilus) C++17
100 / 100
 167 ms 660 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

bitset <500> dpp[505];
bitset <500> dp[505];
bitset <500> rows[505];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n, m, k;
    cin >> n >> m >> k;
    for(int i=1; i<=n; i++){
        string s;
        cin >> s;
        for(int j=0; j<m; j++){
            if(s[j] == '.') dp[i][j] = rows[i][j] = 1;
        }
    }
    while(k--){
        for(int i=1; i<=n; i++) dpp[i] = dp[i];
        char c;
        cin >> c;
        if(c == 'W'){
            for(int i=1; i<=n; i++) dp[i] = (dpp[i] >> 1);
        }
        else if(c == 'E'){
            for(int i=1; i<=n; i++) dp[i] = (dpp[i] << 1);
        }
        else if(c == 'N'){
            for(int i=1; i<=n; i++) dp[i] = dpp[i+1];
        }
        else if(c == 'S'){
            for(int i=1; i<=n; i++) dp[i] = dpp[i-1];
        }
        else{
            for(int i=1; i<=n; i++){
                dp[i] = (dpp[i] << 1);
                dp[i] |= (dpp[i] >> 1);
                dp[i] |= dpp[i+1];
                dp[i] |= dpp[i-1];
            }
        }
        for(int i=1; i<=n; i++) dp[i] &= rows[i];
    }
    int res = 0;
    for(int i=1; i<=n; i++){
        res += dp[i].count();
    }
    cout << res << "\n";
    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 1 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 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 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 1 ms 328 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 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 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 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 1 ms 328 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 79 ms 656 KB Output is correct
23 Correct 79 ms 660 KB Output is correct
24 Correct 79 ms 588 KB Output is correct
25 Correct 77 ms 588 KB Output is correct
26 Correct 79 ms 588 KB Output is correct
27 Correct 118 ms 588 KB Output is correct
28 Correct 122 ms 656 KB Output is correct
29 Correct 120 ms 588 KB Output is correct
30 Correct 127 ms 588 KB Output is correct
31 Correct 120 ms 632 KB Output is correct
32 Correct 163 ms 588 KB Output is correct
33 Correct 152 ms 660 KB Output is correct
34 Correct 160 ms 652 KB Output is correct
35 Correct 159 ms 656 KB Output is correct
36 Correct 167 ms 588 KB Output is correct