#include <iostream>
#include <stdio.h>

using namespace std;


FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");


int n,i,j,v[101][101],k;


int main()
{
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    fscanf(f,"%d",&v[i][j]);
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(v[i][k] && v[k][j] && (v[i][j]>v[i][k]+v[k][j] || !v[i][j])&& i!=j) v[i][j]=v[i][k]+v[k][j];
    for(i=1;i<=n;i++)
    {

        for(j=1;j<=n;j++)
        fprintf(g,"%d ",v[i][j]);
        fprintf(g,"\n");
    }
    fclose(g);
    return 0;
}