#include <bits/stdc++.h>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n,a[105][105];

void citire()
{
    fin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            fin>>a[i][j];
}

void solution()
{
     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] && a[k][j] && i!=j && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]))
                    a[i][j]=a[i][k]+a[k][j];

    for(int i=1;i<=n;i++,fout<<"\n")
        for(int j=1;j<=n;j++)
            fout<<a[i][j]<<" ";
}

int main()
{
    citire();
    solution();
    return 0;
}