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

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

int n, A[105][105];

int main(){
    fin >> n;
    
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            fin >> A[i][j];
    
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(A[i][j] > A[i][k] + A[k][j])
                    A[i][j] = A[i][k] + A[k][j];
    
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            fout << A[i][j] << '';
        fout << '\n';
    }
}