de1

#include<stdio.h>
#include<conio.h>
#include<ctype.h>
#include"D:\lib\alistlib.h"
int DemNguyenAm(List &L){
 Position p=First(L);
 int dem=0;
 int nguyenam[]={'A','E','O','U','I'};
    for(int i=0;i<L.Last;i++){
        for(int j=0;j<5;j++)
            if(toupper(L.Elements[i])==nguyenam[j])
            dem++;
    }
    return dem;
}
bool giamdan(List &L){
   for(int i=0; i<L.Last;i++){
    if(toupper(L.Elements[i])<toupper(L.Elements[i-1])){
         return 0;
    }

    else return 1;

   }
}
void Readlist(List &L){
    ElementType x;
    int n;
    printf("Nhap vao so phan tu cua danh sach: "); scanf("%d",&n);
        for(int i=1;i<=n;i++){
            printf("\nPhan tu thu %d: ",i); fflush(stdin); scanf("%c",&x);
                Insert_List(x,EndList(L),&L);
        }
}
main(){
    List L;
    MakeNull_List(&L);
    Readlist(L);
    printf("\nDanh sach co %d nguyen am.", DemNguyenAm(L));
    if(giamdan(L)){
        printf("\nDanh sach giam dan.");
    }else printf("\nDanh sach khong giam.");
getch();
}