Lehmät

#include <bits/stdc++.h>
using namespace std;


int main() {
    
    int n, m;
    cin >> n >> m;
    char alue[m][n]; // x, y
    for (int i = n - 1; i >= 0; i--) {
        string a;
        cin >> a;
        for (int j = 0; j < m; j++) {
            alue[j][i] = a[j]; // x, y
        }
    }

    // finding the area inside the fence
    pair<int, int> nurkka_a;
    pair<int, int> nurkka_b;
    // finding the corners of the fence
    for (int i = n-1; i >= 0; i--) {
        for (int j = 0; j < m; j++) {
            if (alue[j][i] == '*') {
                nurkka_a.first = j;
                nurkka_a.second = i;
                goto afterNurkka_a;
            }
        }
    }
    afterNurkka_a:
    for (int i = 0; i < m; i++) {
        for (int j = m-1; j >= 0; j--) {
            if (alue[j][i] == '*') {
                nurkka_b.first = j;
                nurkka_b.second = i;
                goto afterNurkka_b;
            }
        }
    }
    afterNurkka_b:

    // counting the cows inside the fence
    int lehmiä = 0;
    for (int i = nurkka_a.second-1; i >= nurkka_b.second+1; i--) {
        for (int j = nurkka_a.first+1; j <= nurkka_b.first-1; j++) {
            if (alue[j][i] == '@') {
                lehmiä++;
            }
        }
    }
    

    cout << lehmiä << "\n";
}
/*
...........................
...........................
....**********************.
....*......@.............*.
....*...@..........@.....*.
....*..@@........@.......*.
....*....@@@.......@.@...*.
....*@@....@@............*.
....**********************.
...........................
...........................
......@@@@@................
...........................
...........................
...........................
*/

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