#include <stdio.h>
using namespace std;
int i,j,k,a[1001][1001],n;

FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");
int main()
{
fscanf(f,"%d",n);
for(i=1;i<=n;++i)
    for(j=1;i<=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(i!=j && a[k][j] && a[i][k] && (a[i][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;
}