#include <cstdio>
 
using namespace std;
int i,j,k,n,a[101][101];
int main()
{
    FILE *f=fopen("royfloyd.in","r");
    FILE *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]);
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(i!=j&&a[i][k]!=0&&a[k][j]!=0)
    if(a[i][j]==0||a[i][j]>a[i][k]+a[k][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");
    }
    fclose(f);
    fclose(g);
    return 0;
}