#include <iostream>
#include<stdio.h>
using namespace std;
FILE *f,*g;
int a[101][101];
int main()
{
    int i,j,k,n;
    f=fopen("royfloyd.in","r");
    g=fopen("royfloyd.out","w");
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fscanf(f,"%d",&a[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                {
                    if (j!=i)
                    {if (a[i][j]==0) {if(0<a[i][k]&&0<a[k][j]) a[i][j]=a[i][k]+a[k][j];}
                    else {if (0<a[i][k]&&0<a[k][j]&&a[i][k]+a[k][j]<a[i][j]) a[i][j]=a[i][k]+a[k][j];}}
                }
    for(i=1;i<=n;i++)
        {for(j=1;j<=n;j++)
            fprintf(g,"%d ",a[i][j]);
         fprintf(g,"\n");
        }






    return 0;
}