#include <bits/stdc++.h>
#define oo 10000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,c[101][100];
void Citire()
{
    f>>n;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            {
                int x;
                f>>x;
                if(x) c[i][j] = x;
                else c[i][j] = 0;
            }
}

void Warshall()
{
    for(int k=1;k<=n;++k)
        for(int i=1;i<=n;++i)
            for(int j=1;j<=n;++j)
                c[i][j] = min(c[i][k] + c[k][j],c[i][j]);
}

int main()
{
    Citire();
    Warshall();
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
            if(c[i][j] == oo) g<<0<<" ";
            else g<<c[i][j]<<" ";
        g<<'\n';
    }
    return 0;
}