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#include <iostream>
#include <utility>
#include <vector>
using namespace std;
template<int N, int M>
bool func(int (&A)[N][M], short k, double x) {
for(int i = 0; i < M; ++i) {
vector<pair<int, int> > v;
for(int j = 0; j < N-1; ++j) {
v.push_back({A[j][i], A[j+1][i]});
}
int check_num = 0;
for(auto const& i : v) {
if(i.second == 0) continue;
double elem = static_cast<double>(i.first) / static_cast<double>(i.second);
if(elem < x)
check_num++;
}
if(check_num == k)
return true;
}
return false;
}
int main() {
int A[4][3] = {
{2, 3, 5},
{10, 20, 10},
{90, 19, 69},
{10, 0, 0},
};
cout << func(A, 2, 0.005) << endl; // 0
cout << func(A, 2, 1.0) << endl; // 1
return 0;
}
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