#include<stdio.h>


int a[101][101];





int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;++i)
    for(j=1;j<=n;++j)
    scanf("%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]&&a[k][j]&&(a[i][k]+a[k][j]<a[i][j]||a[i][j]==0))
    a[i][j]=a[k][j]+a[i][k];
    for(i=1;i<=n;++i)
    {
    for(j=1;j<=n;++j)
    printf("%d ",a[i][j]);
    printf("\n");
    }
    return 0;
}