#include <iostream>
#define in "royfloyd.in","r",stdin
#define out "royfloyd.out","w",stdout
#define nmax 105
#include <cstdio>
using namespace std;
int a[nmax][nmax],n;
void solve(){
int i,j,k;
 for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
     for(j=1;j<=n;j++)
      if(i!=j && a[i][k] && a[k][j] &&(a[i][k]+a[k][j] < a[i][j] || !a[i][j])) a[i][j]=a[i][k]+a[k][j];
}
int main(){
    int i,j;
    freopen(in);
    freopen(out);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
         scanf("%d",&a[i][j]);
         solve();
        for(i=1;i<=n;i++){
            for(j=1;j<=n;j++)
                cout << a[i][j]<<' ';
            cout <<'\n';
        }
    return 0;
}