#include <bits/stdc++.h>
using namespace std;
#define nmax 110
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[nmax][nmax];
int main()
{
    int n;
    f>>n;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            f>>a[i][j];
    for(int k=1;k<=n;++k)
        for(int i=1;i<=n;++i)
            for(int j=1;j<=n;++j)
                if((a[i][j]>a[i][k]+a[k][j] or !a[i][j]) and i!=j and a[i][k] and a[k][j])a[i][j]=a[i][k]+a[k][j];
    for(int i=1;i<=n;++i,g<<"\n")
        for(int j=1;j<=n;++j)
            g<<a[i][j]<<" ";
}