#include<cstdio>
using namespace std;
int n,a[102][102];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int 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(a[i][k]*a[k][j]&&i!=j&&(a[i][k]+a[k][j]<a[i][j]||a[i][j]==0))
            a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++){for(j=1;j<=n;j++)printf("%d ",a[i][j]);printf("\n");}
    return 0;
}