oj.uz

Submission #449923

# Submission time Handle Problem Language Result Execution time Memory
449923 2021-08-02T09:40:39 Z zxcvbnm Nautilus (BOI19_nautilus) C++14
66 / 100
 41 ms 1436 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
char mat[105][105];
bool vis[105][105][105];
int n, m, k;
string str;
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, 1, 0, -1};
#define NORTH 0
#define EAST 1
#define SOUTH 2
#define WEST 3
bool isValid(int x, int y) {
    if (x >= n || x < 0 || y >= m || y < 0) return false;
    if (mat[x][y] == '#') return false;
    return true;
}
void go(int curr, int x, int y) {
    if (!isValid(x, y) || vis[curr][x][y]) return;
    vis[curr][x][y] = true;
    if (curr == k) return;

    if (str[curr] == '?') {
        for(int i = 0; i < 4; i++) {
            int nx = x + dx[i];
            int ny = y + dy[i];
            if (isValid(nx, ny)) {
                go(curr+1, nx, ny);
            }
        }
    } else {
        switch(str[curr]) {
        case 'N':
            go(curr+1, x+dx[NORTH], y+dy[NORTH]);
            break;
        case 'E':
            go(curr+1, x+dx[EAST], y+dy[EAST]);
            break;
        case 'S':
            go(curr+1, x+dx[SOUTH], y+dy[SOUTH]);
            break;
        case 'W':
            go(curr+1, x+dx[WEST], y+dy[WEST]);
            break;
        }
    }
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> m >> k;
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            cin >> mat[i][j];
        }
    }
    cin >> str;

    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            go(0, i, j);
        }
    }

    int cnt = 0;
//    for(int i = 0; i < n; i++) {
//        for(int j = 0; j < m; j++) {
//            cout << vis[k][i][j] << " ";
//        }
//        cout << "\n";
//    }

    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            cnt += vis[k][i][j];
        }
    }
    cout << cnt << "\n";
    return 0;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1356 KB Output is correct
2 Correct 2 ms 1356 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 844 KB Output is correct
5 Correct 1 ms 716 KB Output is correct
6 Correct 1 ms 716 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1356 KB Output is correct
2 Correct 2 ms 1356 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 844 KB Output is correct
5 Correct 1 ms 716 KB Output is correct
6 Correct 1 ms 716 KB Output is correct
7 Correct 15 ms 1388 KB Output is correct
8 Correct 6 ms 1428 KB Output is correct
9 Correct 3 ms 1356 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 716 KB Output is correct
12 Correct 31 ms 1332 KB Output is correct
13 Correct 31 ms 1376 KB Output is correct
14 Correct 21 ms 1392 KB Output is correct
15 Correct 2 ms 1356 KB Output is correct
16 Correct 1 ms 716 KB Output is correct
17 Correct 41 ms 1412 KB Output is correct
18 Correct 35 ms 1348 KB Output is correct
19 Correct 10 ms 1436 KB Output is correct
20 Correct 4 ms 1364 KB Output is correct
21 Correct 1 ms 716 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1356 KB Output is correct
2 Correct 2 ms 1356 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 844 KB Output is correct
5 Correct 1 ms 716 KB Output is correct
6 Correct 1 ms 716 KB Output is correct
7 Correct 15 ms 1388 KB Output is correct
8 Correct 6 ms 1428 KB Output is correct
9 Correct 3 ms 1356 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 716 KB Output is correct
12 Correct 31 ms 1332 KB Output is correct
13 Correct 31 ms 1376 KB Output is correct
14 Correct 21 ms 1392 KB Output is correct
15 Correct 2 ms 1356 KB Output is correct
16 Correct 1 ms 716 KB Output is correct
17 Correct 41 ms 1412 KB Output is correct
18 Correct 35 ms 1348 KB Output is correct
19 Correct 10 ms 1436 KB Output is correct
20 Correct 4 ms 1364 KB Output is correct
21 Correct 1 ms 716 KB Output is correct
22 Runtime error 2 ms 716 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -