THE EASIEST eLITE STUFF

#include <iostream>
#include <vector>
#include <cmath>
#include <valarray>
#include <string>
#include <algorithm>
#include <sstream>

using namespace std;
bool check(vector<vector<long long int>> v, vector<long long int> v1)
{
    int i;
    for (i=0;i<v.size();++i)
        if (v1==v[i])
            return false;
    return true;
}
int main()
{
    long long int summ,k,n,i,j,m,ma,c,o,x,c1,i1,i2,i3,j1,j2,mi;
    cin >> n >> m;
    vector < vector<long long int>> a(n, vector<long long int>(m));
    ma=0;
    k=0;
    o=0;
    c=0;
    summ=0;
    for (i=0;i<n;++i)
        for(j=0;j<m;++j)
            cin >> a[i][j];
    for (i=0;i<n;++i)
    {
        i1=-1;
        i2=-2;
        i3=-3;
        j1=-4;
        mi=100000;
        ma=-100000;
        for(j=0;j<m;++j)
        {
            if (a[i][j]<mi)
            {
                mi=a[i][j];
                i1=i;
                j1=j;
            }
        }
        for (i2=0;i2<n;++i2)
        {
            if(a[i2][j1]>ma)
            {
                ma=a[i2][j1];
                i3=i2;
            }
        }
        if (i3==i1){
            cout<<i3+1<<" "<<j1+1<<endl;
            ++k;
        }
    }
    if (k==0)
        cout<<0;
    return 0;
}