lập trình c

mời các bạn tham khảo bài code này nha:

#include <stdio.h>

#include <conio.h>

bool CoTrongDanhSach(int socankiemtra,int dsdain[],int soluongdain);

int main()

{

    int ds[10];

    int n;

    //Can 1 mang de luu nhung dong da in ra

    int dsdain[10];

    int soluongdain = 0;

    //Hien thong bao moi nguoi dung nhap

    printf("Nhap so luong phan tu:");

    //Nhap vao tu ban phim

    scanf("%d",&n);

    //In n ra

    printf("n=%d\n",n);

    //Nhap cac phan tu trong mang

    for (int i = 0; i<n; i++)

    {

        //In ra loi huong dan nhap phan tu thu may

        printf("Nhap phan tu thu [%d]:",i+1);

        scanf("%d",&ds[i]);

    }

    //In ra danh sach

    printf("Danh sach da nhap la:");

    for (int i = n-1;i>=0;i--)

    {

        printf("ds[%d]=%d\n",i,ds[i]);

    }

    printf("In danh sach phan tu trong mang:\n");

    int soluong = 0;

    for (int i = 0;i<n;i++)

    {

        //Neu ds[i] chua nam trong danh sach da in thi lam

        //if !CoTrongDanhSach(ds[i], dsdain) thi

        if (!CoTrongDanhSach(ds[i],dsdain,soluongdain))

        {

            soluong = 0;

            for (int j = 0; j<n; j++)

                {

                    if (ds[i] == ds[j])

                        {

                            soluong = soluong+1;

                        }

                }

                    //In ra

            printf("Gia tri [%d] xuat hien [%d] lan\n",ds[i], soluong);

            //In xong thi bo sung vao danh sach da in

            dsdain[soluongdain] = ds[i];

            soluongdain = soluongdain+1;

        }

    }

    getch();

}

bool CoTrongDanhSach(int socankiemtra,int dsdain[],int soluongdain)

{

    //Duyet tu dau den cuoi danh sach.

    //Neu co thi tra ra ngoai la da co

    for (int i = 0; i<soluongdain; i++)

    {

        if (socankiemtra==dsdain[i])

        {

            return true;

        }

    }

    //Den het roi ma khong co thi tra ra la khong co

    return false;

}