#include <iostream>
#include <cstdio>

using namespace std;
int n;
int m[105][105];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d", &n);
    for(int i=0;i<n;++i)
    {
        scanf("\n%d", &m[i][0]);
        for(int j=1;j<n;++j)
            scanf(" %d", &m[i][j]);
    }
    for(int k=0;k<n;++k)
    {
        for(int i=0;i<n;++i)
        {
            for(int j=0;j<n;++j)
                if(i!=j && m[i][k] && m[k][j] && (m[i][j]>m[i][k]+m[k][j] || !m[i][j]))
                    m[i][j]=m[i][k]+m[k][j];
        }
    }
    for(int i=0;i<n;++i)
    {
        for(int j=0;j<n;++j)
        {
            printf("%d ", m[i][j]);
        }
        printf("\n");
    }
    return 0;
}