#include<cstdio>

using namespace std;

const int NMAX = 100+5;

void Read(),Solve(),Print();

int N;
int Mat[NMAX][NMAX];

int main()
{
    Read();
    Solve();
    Print();

    return 0;
}

void Read()
{
    int i,j;

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

    scanf("%d",&N);

    for(i = 1; i <= N; i++)
        for(j = 1; j <= N; j++)
            scanf("%d",&Mat[i][j]);
}

void Solve()
{
    int i,j,k;

    for(k = 1; k <= N; k++)
        for(i = 1; i <= N; i++)
            for(j = 1; j <= N; j++)
                if(i!=j && Mat[i][k] && Mat[k][j] && (!Mat[i][j] || (Mat[i][k] + Mat[k][j] < Mat[i][j]))) Mat[i][j] = Mat[i][k] + Mat[k][j];
}

void Print()
{
    int i,j;

    for(i = 1; i <= N; i++,printf("\n"))
        for(j = 1; j <= N; j++)
            printf("%d ",Mat[i][j]);
}