#include <bits/stdc++.h>
#define ll long long
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, mt[105][105];

int main() {
    fin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            fin >> mt[i][j];
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (mt[i][k] != 0 && mt[k][j] != 0 && (mt[i][j] == 0 || mt[i][k] + mt[k][j] < mt[i][j]) && i != j)
                    mt[i][j] = mt[i][k] + mt[k][j];
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            fout << mt[i][j] << " ";
        fout << "\n";
    }
    return 0;
}