#include <bits/stdc++.h>
#define Nmax 1e3 + 5
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[101][101],n,d[101][101];
inline void read()
{
    in >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            in >> a[i][j];
}
inline void initialize()
{
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            if(i == j) d[i][j] = 0;
            else if(a[i][j] != 0) d[i][j] = a[i][j];
            else d[i][j] = Nmax;

}
void royfloyd()
{
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];
}
inline void write()
{
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
            out << d[i][j] << " ";
        out << '\n';
    }
}
int main()
{
    read();
    initialize();
    royfloyd();
    write();
    return 0;
}