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#include<iostream>
using namespace std;
template<int N, int M>
bool func(int (&A)[N][M], double w, double v) {
if(w > v) return false;
for(int i = 0; i < M; ++i) {
double sum{};
for(int j = 0; j < N; ++j) {
sum+=A[j][i];
}
double media = sum / static_cast<double>(N);
if(media >= w && media <= v) return true;
}
return false;
}
int main() {
int M[3][4] = {
{1, 2, 3, 4},
{1, 2, 3, 5,},
{1, 2, 3, 6},
};
cout << func(M, 0.1, 0.2);
return 0;
}
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