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

const int MAXN =  5 * 1e4 + 65;
const int INF = 1e8;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int matrix[101][102];

int main(){

    int n; fin >> n;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            fin >> matrix[i][j];
            if(matrix[i][j] == 0 and i != j) matrix[i][j] = INF;
        }
    }

    for(int k = 1; k <= n; ++k){
        for(int i = 1; i <= n; ++i){
            for(int j = 1; j <= n; ++j){
                if(i == j || j == k || k == i) continue;
                matrix[i][j] = min(matrix[i][j], matrix[i][k] + matrix[k][j]);
            }
        }
    }
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            if(matrix[i][j] == INF ) matrix[i][j] = 0;
            fout << matrix[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}