#include <fstream>
#include <iostream>
#include <cmath>
#include <cstring>
#include <algorithm>
#include <vector>
#include <string>
#include <stack>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105];
int main() {
    int n;
    fin>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++) {
            fin>>a[i][j];
            if (!a[i][j])
                a[i][j]=1e9
        }
    for (int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                if (a[i][k] and a[k][j] and a[i][k]+a[k][j]<a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
    for (int i=1; i<=n; i++,fout<<"\n")
        for (int j=1; j<=n; j++)
            fout<<a[i][j]<<" ";
    return 0;
}
// 2 0 3 -1 7 -4