#include <bits/stdc++.h>
using namespace std;
int a[101][101],n;

void date()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
}

int main()
{
    date();
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){
            scanf("%d",&a[i][j]);
            if(i!=j && a[i][j] ==0)
                    a[i][j]=99999999;
        }


        for(int k=1;k<=n;k++)
            for(int i=1;i<=n;i++)
                for(int j=1;j<=n;j++)
                    a[i][j] = min(a[i][j],a[i][k]+a[k][j]);

    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }


    return 0;
}