#include <bits/stdc++.h>

using namespace std;

int main() {
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");

    int n; in >> n;
    vector<vector<int>> mat(n, vector<int>(n));
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            in >> mat[i][j];
        }
    }

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            if (mat[i][j] == 0) {
                mat[i][j] = 1e9;
            }
        }
    }

    for (int k = 0; k < n; ++k) {
        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < n; ++j) {
                if (i != j && j != k && i != k)
                    mat[i][j] = min(mat[i][j], mat[i][k] + mat[k][j]);
            }
        }
    }

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            if (mat[i][j] == 1e9) {
                mat[i][j] = 0;
            }
        }
    }

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            out << mat[i][j] << " ";
        }
        out << endl;
    }

    return 0;
}