Problem-2

#include<stdio.h>
int main()
{
    char str[100];
    int i,v=0,c=0,s=0,d=0;
    gets(str);
    for(i=0;str[i]!='\0';i++)
    {
        if(str[i]=='a' || str[i]=='e' || str[i]=='i' || str[i]=='o' || str[i]=='u' || str[i]=='A' || str[i]=='E' || str[i]=='I' || str[i]=='O' || str[i]=='U' )
        {
            v++;
        }
        else if((str[i]>='a' && str[i]<='z') || (str[i]>='A' && str[i]<='Z'))
        {
            c++;
        }
        else if(str[i]>='1' && str[i]<='9')
        {
            d++;
        }
        else if(str[i]==' ')
        {
            s++;
        }
    }
    printf("Number of vowel=%d\n", v);
    printf("Number of consonant=%d\n", c);
    printf("Number of digits=%d\n", d);
    printf("Number of space=%d\n", s);
    return 0;
}