Submission

Score: 0

User: Peam

Problemset: เรียงสตริง

Language: c

Time: 0.002 second

Submitted On: 2025-10-03 21:53:10

#include <stdio.h>
int main(){
    char str[31];
    scanf("%s", str);

    int letter[122] = {0};
    for(int i = 0; str[i] != '\0'; i++){
        letter[str[i]]++;
    }
    for(int i = 'A'; i < 'z'; i++){
        if(letter[i] > 0){
            printf("%c ", i);
        }
    }
}