Lehmät

input/code.cpp: In function 'int main()':
input/code.cpp:8:23: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized]
    8 |     int n, m, x1, x2, y1, y2;
      |                       ^~
input/code.cpp:8:15: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized]
    8 |     int n, m, x1, x2, y1, y2;
      |               ^~
input/code.cpp:8:27: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized]
    8 |     int n, m, x1, x2, y1, y2;
      |                           ^~
input/code.cpp:8:19: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized]
    8 |     int n, m, x1, x2, y1, y2;
      |                   ^~

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main()
{
    int n, m, x1, x2, y1, y2;
    int s = 0;
    bool b = 0;
    char c;
    cin >> n >> m;
    vector<vector<char>> v(n, vector<char> (m,'.'));

    for (int i = 0; i < n; i++){
        for (int j = 0; j < m; j++){
            cin >> c;
            v[i][j] = c;
        }
    }

    for (int i = 0; i < n && b == 0; i++){
        for (int j = 0; j < m && b == 0; j++){
            if (v[i][j] == '*'){
                y1 = i + 1;
                x1 = j + 1;
                b = 1;
            }
        }
    }

    b = 0;

    for (int i = n-1; i >= 0 && b == 0; i--){
        for (int j = m-1; j >= 0 && b == 0; j--){
            if (v[i][j] == '*'){
                y2 = i;
                x2 = j;
                b = 1;
            }
        }
    }

    for (int i = y1; i < y2; i++){
        for (int j = x1; j < x2; j++){
            if (v[i][j] == '@') s++;
        }
    }

    cout << s;

    return 0;
}

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