#include <bits/stdc++.h>
#include <cstring>
# define pb push_back
#define nmax 15
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n,i,j,k,v[101][101];


int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>v[i][j];

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
       if (v[i][k] && v[k][j] && (v[i][j] > v[i][k] + v[k][j] || v[i][j]==0) && i != j)
            v[i][j] = v[i][k] + v[k][j];

for(i=1;i<=n;i++)
{
     for(j=1;j<=n;j++)
        g<<v[i][j]<<" ";
     g<<'\n';
}



    return 0;
}