#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[105][105];

int main()
{
    f>>n;
    for(int i = 0; i < n; ++i)
        for(int j = 0; j < n; ++j)
            f>>a[i][j];
    for(int k = 0; k < n; ++k)
        for(int i = 0; i < n; ++i)
            for(int j = 0; j < n; ++j)
                if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
    for(int i = 0; i < n; ++i, g<<'\n')
        for(int j = 0; j < n; ++j)
            g<<a[i][j]<<' ';
    return 0;
}