#include <bits/stdc++.h>
#define inf INT_MAX
using namespace std;
int a[109][109],n,m,i,j,k,x,y;
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            cin>>a[i][j];
    int i, j, k;
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
            cout<<a[i][j]<<" ";
        cout<<'\n';
    }
    return 0;
}