#include <iostream>
#include <cstdio>
using namespace std;

int n,dist[105][105];
void citire()
{
    scanf("%d",&n);
    for (int i=1;i<=n;++i)
        for (int j=1;j<=n;++j)
            scanf("%d",&dist[i][j]);
}
void afisare()
{
    for (int i=1;i<=n;++i)
    {
        for (int j=1;j<=n;++j)
            printf("%d ",dist[i][j]);
        printf("\n");
    }
}
void roy_floyd()
{
    for (int k=1;k<=n;++k)
        for (int i=1;i<=n;++i)
            for (int j=1;j<=n;++j)
                if ((dist[i][j]>dist[i][k]+dist[k][j] || !dist[i][j]) && i!=j && dist[i][k] && dist[k][j])
                    dist[i][j]=dist[i][k]+dist[k][j];
    afisare();
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    citire();
    roy_floyd();
    return 0;
}