#include <cstdio>

#define Nmax 105
#define INF 0x3f3f3f3f

using namespace std;

int adj[Nmax][Nmax],N;
int DP[Nmax][Nmax];

void read( void )
{
    scanf("%d", &N);
    for(int i = 1; i <= N; ++i)
        for(int j = 1; j<= N; ++j)
        {
            scanf("%d", &adj[i][j]);
            DP[i][j] = adj[i][j];
            if(adj[i][j] == 0)
                DP[i][j] = INF;
        }
}

void solve()
{
    for(int k = 1; k <= N; ++k) /// nodul cu care optimizez
        for(int i = 1; i <= N; ++i)
        if( i != k ) for(int j = 1; j <= N; ++j)
            if(i != j && k != j)
                if(DP[i][j] > DP[i][k] + DP[k][j])
                    DP[i][j] = DP[i][k] + DP[k][j];
    for(int i = 1; i <= N; ++i){
        for(int j = 1; j <= N; ++j)
            printf("%d ",DP[i][j] == INF? 0 : DP[i][j]);
        printf("\n");
    }
}

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

    read();
    solve();

    return 0;
}