include iostream include cstdlib include ctime using namespace std voi

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

void srav(int **arr, int N){ 
    for (int i = 0; i <N; i++)
        for (int j = 0; j <N; j++)
            if (arr[i][j]!=0) {
                
                for (int k=0; k <N; k++) {
                    arr[i][k]=0;
                    arr[k][i]=0;
                    arr[j][k]=0;
                    arr[k][j]=0;
                }
                cout<<i<<" "<<j+1<<endl;
            }
}

int** create(int N) {
    //Creating
    srand(time(0));
    int **arr = new int*[N];
    for(int i=0; i<N; i++) {
        arr[i] = new int[N];
        for(int j = 0; j<N; j++)
            arr[i][j] = rand()%100;
    }
    return arr;
}

void freemem(int** arr, int N) {
    for(int i=0; i<N; i++)
        delete[] arr[i];
}

void show(int** arr, int N) {
    //Show
    for(int i=0; i<N; i++) {
        for(int j = 0; j<N; j++)
            cout<<arr[i][j]<<" ";
        cout<<endl;
    }
}

int main()
{
    int **arr = create(10);
    show(arr, 10);
    srav(arr, 10);
    freemem(arr,10);
    return 0;
}