#include <iostream>
#include <cstdio>

using namespace std;

const int inf = 0x3f3f3f3f;
int rf[105][105], N;

void Read()
{
    scanf("%d", &N);

    for(int i=1; i<=N; ++i)
    {
        for(int j=1; j<=N; ++j)
        {
            scanf("%d", &rf[i][j]);
            if(i!=j && !rf[i][j])
                rf[i][j] = inf;
        }
    }
}

void Roy()
{
    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 && rf[i][k] + rf[k][j] < rf[i][j])
                    rf[i][j] = rf[i][k] + rf[k][j];

}

void Print()
{
    for(int i=1; i<=N; ++i)
    {
        for(int j=1; j<=N; ++j)
        {
            printf("%d ", rf[i][j]);
        }

        printf("\n");
    }
}

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    Read();
    Roy();
    Print();
    return 0;
}