#include <stdio.h>
#include <stdlib.h>
FILE *f,*g;
int n,a[103][103],b[103][103];
int main()
{
    int i,j,k;
    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]);
    fclose(f);
    for(i=1;i<=n;i++)
       for(j=1;j<=n;j++)
          b[i][j]=a[i][j];
    for(k=1;k<=n;k++)
       for(i=1;i<=n;i++)
          for(j=1;j<=n;j++)
             if(b[i][k] && b[k][j] && (b[i][j]>b[i][k]+b[k][j]) || (i!=j && !b[i][j]))
                b[i][j]=b[i][k]+b[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
           fprintf(g,"%d ",b[i][j]);
        fprintf(g,"\n");
    }
    fclose(g);
    return 0;
}