#include<iostream> using namespace std; int a[100][100],n,tmp; int main(){ cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cin>>a[i][j]; } } for(int i=0;i<n;i++){ int maxn=-1; for(int j=0;j<n;j++){ if(a[i][j]>maxn){ maxn=a[i][j]; tmp=j; } } int minn=1001; for(int k=0;k<n;k++){ if(a[k][tmp]<minn){ minn=a[k][tmp]; } } if(minn==maxn){ cout<<minn<<" "; } } if(minn=1001){ cout<<"not found"; } return 0; }