C Program To Count Number Of Upper Case Letters and Lower Case Letters in a Given String

Program:-

#include<stdio.h>

#include<string.h>

int main()

{

int up=0,lr=0;

char ch[150];

printf("Enter the String:-\n");

scanf("%[^\n]",ch);

int i=0;

while(ch[i]!='\0')

{

if(ch[i] >= 'A' && ch[i] <= 'Z')

{

up++;

}

if(ch[i] >= 'a' && ch[i] <= 'z')

{

lr++;

}

i++;

}

printf("UpperCase Letters:%d\n",up);

printf("LowerCase Letters:%d",lr);

return(0);

}

output:-