Lehmät

#include <iostream>
#include <vector>
 
using namespace std;
 
int xs = 1e9, ys = 1e9, xe = -1e9, ye = -1e9;
 
bool check(int y, int x) {
    if (x > xs && x < xe && y > ys && y< ye) {
        return true;
    }
    return false;
}
 
int main() {
    int n, m; cin >> n >> m;
    vector<pair<int, int>> cows;
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        for (int j = 0; j < m; j++) {
            if (s[j] == '@') {
                cows.push_back({i, j});
            }
            if (s[j] == '*') {
                xs = min(j, xs);
                ys = min(i, ys);
                xe = max(j, xe);
                ye = max(i, ye);
            }
        }
    }
    int c = cows.size();
    int ANS = 0;
    for (int i = 0; i < c; i++) {
        pair<int, int> a = cows[i];
        if (check(a.first, a.second)) {
            ANS++;
        }
    }
    cout << ANS;
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED