#include <iostream>
#include <cstdio>
#define inf 1e9
#define Nmax 101
using namespace std;
int a[Nmax][Nmax],ans[Nmax][Nmax],n;
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            {
                scanf("%d",&a[i][j]);
                ans[i][j]=a[i][j];
                if(ans[i][j]==0)
                    ans[i][j]=inf;
            }
    for(int i=1;i<=n;++i)
        ans[i][i]=0;
    // Roy-Floyd
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            for(int k=1;k<=n;++k)
                if(ans[i][j]>ans[i][k]+ans[k][j])
                    ans[i][j]=ans[i][k]+ans[k][j];
    //Afisare
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
            printf("%d ",ans[i][j]);
        printf("\n");
    }
    return 0;
}