코스프로 2번

kimseunghoo · April 18, 2026
#include <stdio.h>
#include <string.h>
int main() {
int count=0;

char arr[100];
    scanf("%s",arr);
    for(int i=0;i<strlen(arr);i++){
        if(arr[i]>='a'&& arr[i]<='z'){
            
            count++;
        }
    }
    printf("%d",count);
}
Output

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