Submission

Score: 100

User: Quaoar

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 10:54:01

#include <stdio.h>

int main() {
    char str1[20];
    char str2[20];
    scanf("%s" , str1);
    scanf("%s" , str2);
    int box1[256] = {0};
    int box2[256] = {0};
    
    for (int i = 0 ; str1[i] != '\0' ; i++){
        box1[str1[i]]++;
    }
    for (int i = 0 ; str2[i] != '\0' ; i++){
        box2[str2[i]]++;
    }

    for (int i = 65 ; i < 123 ; i++){
        if (box2[i] > 0 && box1[i] > 0){
            printf("%c " , i);
        }
    }
    
    
    return 0;
}