#include <bits/stdc++.h>
#define NMAX 105
using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n, a[NMAX][NMAX];

void read(){
    f>>n;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            f>>a[i][j];
    }
    f.close();
}

void alg(){
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(i != j && a[i][k] && a[k][j] && (!a[i][j] || a[i][j] > a[i][k] + a[k][j]))
                        a[i][j] = a[i][k] + a[k][j];
}

void post(){
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            g<<a[i][j]<<' ';
        g<<'\n';
    }
}

int main()
{
    read();
    alg();
    post();
    return 0;
}