#include <cstdio>

using namespace std;

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int t[100][100],n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)scanf("%d",&t[i][j]);
    for(int k=1;k<=n;k++)for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)
    {
        if(t[i][k]  && t[k][j] && (t[i][j]>t[i][k]+t[k][j] || !t[i][j]) && i!=j) t[i][j]=t[i][k]+t[k][j];
    }
    for (int i=1;i<=n;i++){for(int j=1;j<=n;j++) printf("%d ",t[i][j]);printf("\n");}


}