#include <bits/stdc++.h>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
const int INF = 1000000000;
const int NMAX = 105;
int n;
int a[NMAX][NMAX];
int main()
{
    f>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        {
            int cost;
            f>>cost;
            if(cost==0 && i!=j) {
                a[i][j]=INF;
            }
            else {
                a[i][j]=cost;
            }

        }
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if(a[i][k]!=INF && a[k][j]!=INF) {
                    if(a[i][j]>a[i][k]+a[k][j]) {
                        a[i][j]=a[i][k]+a[k][j];
                    }
                }
            }
        }
    }
    for (int i=1;i<=n;i++) {
        for (int j=1;j<= n;j++) {
            if (a[i][j]==INF)
                g<<0<<" ";
            else
                g<<a[i][j]<< " ";
        }
        g<<"\n";
    }
    return 0;
}