oj.uz

Submission #919933

# Submission time Handle Problem Language Result Execution time Memory
919933 2024-02-01T21:22:19 Z Alebn Nautilus (BOI19_nautilus) C++14
66 / 100
 269 ms 262144 KB 
#include <iostream>
#include <vector>
#include <map>

using namespace std;

int n, m, len;
string s;

bool check(int i, int j) {
    if(i > -1 && j > -1 && i < n && j < m) return true;
    return false;
}

int main() {
    cin >> n >> m >> len;
    vector<string> a(n);
    for(int i = 0; i < n; i++) cin >> a[i];
    cin >> s;
    //dp
    vector<vector<vector<bool>>> dp(len+1, vector<vector<bool>>(n, vector<bool>(m)));
    //base case
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) dp[0][i][j] = (a[i][j] == '.');
    }
    //transition
    vector<pair<int,int>> dirs = {
        {-1, 0},
        {0, 1},
        {1, 0},
        {0, -1}
    };
    map<char,int> mp = {
        {'N', 0},
        {'E', 1},
        {'S', 2},
        {'W', 3}
    };
    pair<int,int> dir;
    for(int k = 1; k <= len; k++) {
        for(int i = 0; i < n; i++) {
            for(int j = 0; j < m; j++) {
                if(a[i][j] == '#') continue;
                if(s[k-1] == '?') {
                    for(auto dir : dirs) {
                        if(check(i+dir.first, j+dir.second) && dp[k-1][i+dir.first][j+dir.second]) dp[k][i][j] = 1;
                    }
                }
                else {
                    dir = dirs[(mp[s[k-1]]+2)%4];
                    if(check(i+dir.first, j+dir.second) && dp[k-1][i+dir.first][j+dir.second]) dp[k][i][j] = 1;
                }
            }
        }
    }
    //final state
    int res = 0;
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) res += dp[len][i][j];
    }
    cout << res << "\n";
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1112 KB Output is correct
2 Correct 8 ms 1368 KB Output is correct
3 Correct 9 ms 1112 KB Output is correct
4 Correct 9 ms 1116 KB Output is correct
5 Correct 5 ms 1112 KB Output is correct
6 Correct 2 ms 1112 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1112 KB Output is correct
2 Correct 8 ms 1368 KB Output is correct
3 Correct 9 ms 1112 KB Output is correct
4 Correct 9 ms 1116 KB Output is correct
5 Correct 5 ms 1112 KB Output is correct
6 Correct 2 ms 1112 KB Output is correct
7 Correct 9 ms 1368 KB Output is correct
8 Correct 12 ms 1112 KB Output is correct
9 Correct 10 ms 1116 KB Output is correct
10 Correct 6 ms 1116 KB Output is correct
11 Correct 3 ms 1112 KB Output is correct
12 Correct 11 ms 1112 KB Output is correct
13 Correct 16 ms 1116 KB Output is correct
14 Correct 17 ms 1112 KB Output is correct
15 Correct 6 ms 1112 KB Output is correct
16 Correct 2 ms 1112 KB Output is correct
17 Correct 12 ms 1112 KB Output is correct
18 Correct 16 ms 1112 KB Output is correct
19 Correct 14 ms 1112 KB Output is correct
20 Correct 7 ms 1112 KB Output is correct
21 Correct 2 ms 1112 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1112 KB Output is correct
2 Correct 8 ms 1368 KB Output is correct
3 Correct 9 ms 1112 KB Output is correct
4 Correct 9 ms 1116 KB Output is correct
5 Correct 5 ms 1112 KB Output is correct
6 Correct 2 ms 1112 KB Output is correct
7 Correct 9 ms 1368 KB Output is correct
8 Correct 12 ms 1112 KB Output is correct
9 Correct 10 ms 1116 KB Output is correct
10 Correct 6 ms 1116 KB Output is correct
11 Correct 3 ms 1112 KB Output is correct
12 Correct 11 ms 1112 KB Output is correct
13 Correct 16 ms 1116 KB Output is correct
14 Correct 17 ms 1112 KB Output is correct
15 Correct 6 ms 1112 KB Output is correct
16 Correct 2 ms 1112 KB Output is correct
17 Correct 12 ms 1112 KB Output is correct
18 Correct 16 ms 1112 KB Output is correct
19 Correct 14 ms 1112 KB Output is correct
20 Correct 7 ms 1112 KB Output is correct
21 Correct 2 ms 1112 KB Output is correct
22 Runtime error 269 ms 262144 KB Execution killed with signal 9
23 Halted 0 ms 0 KB -