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

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

const int INF = 1e9 + 5;

int n;
int m[105][105], path[105][105];

void Read()
{
    f >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            f >> m[i][j];
}

void Roy_Floyd()
{
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(m[i][k] && m[k][j] && (m[i][j] > m[i][k] + m[k][j] || m[i][j] == 0) && i != j)
                    m[i][j] = m[i][k] + m[k][j];

}

void Print()
{
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            g << m[i][j] <<" \n"[j == n];
}


int main()
{
    Read();
    Roy_Floyd();
    Print();
    return 0;
}