Using std::cin;
using std::cout;
using std::endl;
...
const int M = 3, N = 4;
int A[M][N];
for (int i = 0; i < M; i++)
for (int j = 0; j < N; j++)
{
cout << "A[" << i << "][" << j << "] = ";<br> cin >> A[i][j];
}
int cnt = 0;
for (int i = 0; i < M; i++)
for (int j = 0; j < N; j++)
if (A[i][j] * A[i][j] > 25)
cnt++;
cout << cnt << endl;<br>...