#include <stdio.h>
using namespace std;
int c[1001][1001],n;
void cit()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int i,j,k,ct;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    scanf("%d",&c[i][j]);
}
void floyd()
{
    int i,j,k;
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(c[i][j]>c[i][k]+c[k][j])
    {
        c[i][j]=c[i][k]+c[k][j];
    }
}
void scrie()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        printf("%d ",c[i][j]);
        printf("\n");
    }
}
int main()
{
    cit();
    floyd();
    int i,j;
    scrie();
}