oj.uz

Submission #394556

# Submission time Handle Problem Language Result Execution time Memory
394556 2021-04-26T20:37:50 Z couplefire Patkice (COCI20_patkice) C++17
50 / 50
 1 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;
#define MAXN 105
#define INF 1000000009

int n, m;
array<int, 2> grid[MAXN][MAXN];
map<char, array<int, 2>> mp;
pair<int, char> ans = {INF, 'a'};

int dfs(int x, int y){
    if(grid[x][y] == array<int, 2>{0, 0} || grid[x][y] == array<int, 2>{-INF, -INF}) return INF;
    if(grid[x][y] == array<int, 2>{INF, INF}) return 0;
    return dfs(x+grid[x][y][0], y+grid[x][y][1])+1;
}

int main(){
    // freopen("a.in", "r", stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m;
    mp['^'] = {-1, 0}; mp['v'] = {1, 0}; mp['<'] = {0, -1}; mp['>'] = {0, 1}; mp['o'] = {-INF, -INF}; mp['.'] = {0, 0}; mp['x'] = {INF, INF};
    for(int i = 0; i<n; i++){
        string s; cin >> s;
        for(int j = 0; j<m; j++) grid[i][j] = mp[s[j]];
    }
    for(int i = 0; i<n; i++){
        for(int j = 0; j<m; j++){
            if(grid[i][j] != array<int, 2>{-INF, -INF}) continue;
            ans = min(ans, {dfs(i+1, j), 'S'});
            ans = min(ans, {dfs(i-1, j), 'N'});
            ans = min(ans, {dfs(i, j+1), 'E'});
            ans = min(ans, {dfs(i, j-1), 'W'});
        }
    }
    if(ans.first >= INF){
        cout << ":(" << endl;
    }
    else{
        cout << ":)" << endl;
        cout << ans.second << endl;
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 204 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 328 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
20.0 / 20.0

# 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 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 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 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct