#include <bits/stdc++.h>
#define inf -1
using namespace std;
int n, m, i, j, k, c[105][105];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    cin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            cin>>c[i][j];
        }
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(i!=j&&c[i][k]*c[k][j]!=0&&(!c[i][j]||c[i][j]>c[i][k]+c[k][j]))
        c[i][j]=c[i][k]+c[k][j];
    for(i=1;i<=n;i++,cout<<'\n')
        for(j=1;j<=n;j++)
            cout<<c[i][j]<<' ';
    return 0;
}