/*tim so chu cai,chu so trong xau*/

#include<stdio.h>

#include<conio.h>

#include<string.h>

int main()

{

    int i,k=0,n,j=0;

    char a[100];

    printf("nhap 1 xau ki tu ");gets(a);

    n=strlen(a);//ham tra gia tri do dai' chuoi~

    for(i=0;i<n;i++)

    {

        if((a[i]>='a')&&(a[i]<='z'))

                        j=j+1;//dem so chu cai

        if((a[i]>'0')&&(a[i]<='9'))

                         k++;//dem so chu so

    }

    printf("xau vua nhap co %d chu cai,%d chu so",j,k);

    getch();

    return 0;

}