Bài 4 - I'm notWjbu

#include <fstream>

using namespace std;

ifstream iFile("Input");
ofstream oFile("Output");

uint64_t Foo(uint64_t ** A, uint16_t M, uint16_t r, uint16_t c)
{
    uint64_t Total = 0;
    for (uint16_t i = 0; i < M; i++)
    {
        for (uint16_t j = 0; j < M; j++)
        {
            Total += A[r + i][c + j];
        }
    }
    return Total;
}

int main()
{
    uint16_t N, M;
    uint64_t **A, K;

    iFile >> N >> M >> K;
    A = new uint64_t*[N];
    for (uint16_t i = 0; i < N; i++)
    {
        A[i] = new uint64_t[N];
        for (uint16_t j = 0; j < N; j++)
            iFile >> A[i][j];
    }

    uint16_t cnt = 0;
    for (uint16_t i = 0; i <= N - M; i++)
        for (uint16_t j = 0; j <= N - M; j++)
            if (Foo(A, M, i, j) >= K)
                cnt++;


    oFile << cnt;

    for (uint16_t i = 0; i < N; i++)
        delete[] A[i];
    delete[] A;

    return 0;
}