Submission

Score: 100

User: winkawin2552

Problemset: สตริงซ้ำซ้ำ

Language: c

Time: 0.001 second

Submitted On: 2025-10-10 09:43:18

#include <stdio.h>

void sort_word(char word[]){
    for(int i = 0; word[i]!= '\0'; i++){
        char key = word[i];
        int j = i-1;
        while(j>=0 && word[j] > key){
            word[j+1] = word[j];
            j--;
        }word[j+1] = key;
    }
}

int in(char word[], char target){
    for(int i= 0; word[i] != '\0'; i++){
        if(word[i] == target) return 1;
    }return 0;
}

int main() {
    char word1[30];
    char word2[30];
    scanf("%s", word1);
    scanf("%s", word2);

    sort_word(word2);
    char temp = word2[0];
    if(in(word1, temp)) printf("%c ", temp);
    for(int i =1; word2[i] != '\0'; i++){
        if(word2[i] != temp && in(word1, word2[i])){
            printf("%c ", word2[i]);
            temp = word2[i];
        }
    }

    return 0;
}