#include <iostream>
#include <random>
#include <fstream>
#include <bitset>
#include <algorithm>
#include <climits>
using namespace std;

ifstream fin("test.in");
ofstream fout("test.out");
int mat[105][105];
int main() {
    int n;
    fin>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            fin>>mat[i][j];
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            for (int k=1; k<=n; k++)
                if (mat[i][k] and mat[k][j] and mat[i][k]+mat[k][j]<mat[i][j])
                    mat[i][j]=mat[i][k]+mat[k][j];
    for (int i=1; i<=n; i++,fout<<"\n")
        for (int j=1; j<=n; j++)
            fout<<mat[i][j]<<' ';
    return 0;
}
// num=10,/=11,*=12,-=13,+=14,enter=15,.=16,