#include <iostream>
#include<stdio.h>
#include<vector>
int n;
using namespace std;
 int a[105][105];
 void roy_floyd()
 {
     int i,j,k;
     for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
        for(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 citire()
{
    int i,j;
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);


    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
}
void afis()
{

    int i,j;
    for(i=1;i<=n;i++)
    {

        for(j=1;j<=n;j++)
        printf("%d ",a[i][j]);
        printf("\n");
    }
}
int main()
{
    citire();
    roy_floyd();
    afis();
}