#include<bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[102][102];
int main()
{
    int n,i,j,k;
    f >> n;
    for(i = 1; i <= n; i++)
    for(j = 1; j <= n; j++)
        f >> a[i][j];
    for(k = 1;k <= n; k++)
    for(i = 1;i <= n; i++)
    for(j = 1;j <= n; j++)
    if(a[i][k] != 0 && a[k][j]!=0 && (a[i][k]+a[k][j]<a[i][j]||(a[i][j]==0 && i!=j)))
        a[i][j]=a[i][k]+a[k][j];
    for(i = 1;i <= n; i++)
    {
        for(j = 1;j <= n; j++)
            g<<a[i][j]<<" ";
        g<<"\n";
    }
    return 0;
}