#include<bits/stdc++.h>
#define INF 0x3f3f3f3f

using namespace std;

ifstream fin("roy-floyd.in");
ofstream fout("roy-floyd.out");

int n , c[103][103];
int main(){
    
    fin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
           fin >> c[i][j];
        }
    }
    
    
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            if(i != j && c[i][j] == 0)
                c[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 && c[i][j] > c[i][k] + c[k][j])
                    c[i][j] = c[i][k] + c[k][j];
            }
        }
    }
    
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            if(c[i][j] == INF)
                fout << 0 << " ";
            else 
                fout << c[i][j] << " ";
        }
        fout << "\n";
    }
    
    return 0;
}