#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int MAXN = 105;
int matrix[MAXN][MAXN];
///royfloyd
int main(){
    int n; fin >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            fin >> matrix[i][j];
    for(int k = 1; k <= n; ++k){
        for(int i = 1; i <= n; ++i){
            for(int j = 1; j <= n; ++j){
                if(!matrix[i][k] or !matrix[k][j]) continue;
                if((!matrix[i][j] or matrix[i][j] > matrix[i][k] + matrix[k][j]) and i != j)
                    matrix[i][j] = matrix[i][k] + matrix[k][j];
            }
        }
    }
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            fout << matrix[i][j] << " ";
        fout << '\n';
    }
    return 0;
}