#include <iostream>
#include <stdio.h>
#define Max 110

using namespace std;

int a[Max][Max], N;

void read()
{
    freopen ("royfloyd.in","r",stdin);
    freopen ("royfloyd.out","w",stdout);

    scanf("%d",&N);
    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            scanf("%d",&a[i][j]);
}

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

void write()
{
    for(int i = 1; i <= N; i++)
    {
        for(int j = 1; j <= N; j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
}

int main()
{
    read();
    royfloyd();
    write();
    return 0;
}