#include <bits/stdc++.h>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int t[101][101];
const int inf = 12345678;
int main()
{
    int n;
    fin >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
        if(i != j) t[i][j] = inf;

    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j) fin >> t[i][j];

for(int k = 1; k <= n; ++k)
    for(int i = 1; i <= n; ++i)
    for(int j = 1; j <= n; ++j)
    if(t[i][j] != inf && t[k][j] != inf)
    if(t[i][j] > t[i][k] + t[k][j]) t[i][j] = t[i][k] + t[k][j];
        for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            if(t[i][j] == inf) fout << 0 << " ";else fout << t[i][j] << " ";
                    fout << "\n";
            }
    return 0;
}