///2-royfloyd
#include <iostream>
#include <cstdio>
using namespace std;
int v[100][100];
int main()
{
    FILE *f=fopen("royfloyd.in","r");
    FILE *g=fopen("royfloyd.out","w");
    int i,j,k,n;
    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(i!=j && i!=k && j!=k)
         if(v[i][k] && v[k][i] && (v[i][j]==0 || v[i][j]>v[i][k]+v[k][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");
          }
    return 0;
}