structure insert , display, sort

#include <stdio.h>
#include <string.h>
#include <malloc.h>

struct GraphicsCard
{
    char Brand[20];
    char Model[20];
    int Price;
    int RAM;
    int Speed;

    GraphicsCard()
    {
        strcpy(Brand, "");
        strcpy(Model, "");
        Price = 0;
        RAM = 0;
        Speed = 0;
    }

    GraphicsCard(char _Brand[], char _Model[], int _Price, int _RAM, int _Speed)
    {
        strcpy(Brand, _Brand);
        strcpy(Model, _Model);
        Price = _Price;
        RAM = _RAM;
        Speed = _Speed;
    }
};

void sort_GraphicsCard_speed(struct GraphicsCard* gpu[], int n)
{
    struct GraphicsCard now, next;
    struct GraphicsCard* temp;
    int i, j;
    for(i=0; i<n-1; i++)
    {
        for(j=0; j<n-1; j++)
        {
            now = *gpu[j];
            next = *gpu[j+1];
            if(now.Speed < next.Speed)
            {
                temp = gpu[j];
                gpu[j] = gpu[j+1];
                gpu[j+1] = temp;
            }
        }
    }
}

int main()
{
    char Brand[20], Model[20];
    int Price, RAM, Speed, i, n;
    struct GraphicsCard* gpu[100];

    scanf("%d", &n);
    for(i=0; i<n; i++)
    {
        scanf("%s %s %d %d %d", &Brand, &Model, &Price, &RAM, &Speed);
        gpu[i] = new GraphicsCard(Brand, Model, Price, RAM, Speed);
    }

    sort_GraphicsCard_speed(gpu, n);

    for(i=0; i<n; i++)
    {
        struct GraphicsCard temp = *gpu[i];
        printf("%s %s %d %d %d\n", temp.Brand, temp.Model, temp.Price, temp.RAM, temp.Speed);
    }
    return 0;
}