#include <iostream>
#include <fstream>
#define inf 19284398
using namespace std;

int n, M[105][105];

int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    f >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
        {
            f >> M[i][j];
            if(!M[i][j]) M[i][j] = inf;
            if(i == j) M[i][j] = 0;
        }
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(M[i][k] + M[k][j] < M[i][j])
                    M[i][j] = M[i][k] + M[k][j];
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            if(M[i][j] < inf) g << M[i][j] << " ";
        g << "\n";}

}