#include <iostream>
#include <cstdio>
#define Nmax 100+5
#define INF 1<<30

using namespace std;

int n;
int c[Nmax][Nmax];

void citire()
{
    scanf("%d",&n);
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
        {
            scanf("%d",&c[i][j]);
            if (c[i][j]==0)
                c[i][j]=INF;
        }
}

void RoyFloyd()
{
    for (int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                if (i!=j && i!=k)
                    c[i][j]=min(c[i][j], c[i][k]+c[k][j]);

}

void afisare()
{
    for (int i=1; i<=n; i++)
        {
            for (int j=1; j<=n; j++)
                if (c[i][j] == INF)
                    printf("0 ");
                else
                printf("%d ",c[i][j]);
            printf("\n");
        }
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    citire();
    RoyFloyd();
    afisare();
    return 0;
}