#include <stdio.h>

using namespace std;

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

int i,j,k,N,dist[100][100];

int main()
{
    fscanf(f,"%d",&N);
    for(i=1;i<=N;i++)
     for(j=1;j<=N;j++)
      fscanf(f,"%d",&dist[i][j]);
    for(k=1;k<=N;k++)
     for(i=1;i<=N;i++)
      for(j=1;j<=N;j++)
        if(dist[i][k]!=0&&dist[k][j]!=0&&i!=j&&dist[i][k]+dist[k][j]<dist[i][j])
         dist[i][j]=dist[i][k]+dist[k][j];
    for(i=1;i<=N;i++)
    {
        for(j=1;j<=N;j++)
         fprintf(g,"%d ",dist[i][j]);
        fprintf(g,"\n");
    }
    return 0;
}