#include <iostream>
#include <cstdio>

using namespace std;

const int NMax = 105;
const int inf = 0x3f3f3f3f;
int N;
int v[NMax][NMax];

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    scanf("%d", &N);

    for(int i=1; i<=N; ++i)
        for(int j=1; j<=N; ++j)
        {
            scanf("%d",&v[i][j]);
            if(i!=j && !v[i][j])
                v[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 && k!=i && k!=j && v[i][j] > v[i][k] + v[k][j])
                    v[i][j] = v[i][k] + v[k][j];

    for(int i=1; i<=N; ++i)
    {
        for(int j=1; j<=N; ++j)
            cout << v[i][j] << " ";

        cout << "\n";
    }
    return 0;
}