Submission

Status:

[PPPP-SSS]

Score: 0

User: solarsunny

Problemset: สตริงซ้ำซ้ำ

Language: c

Time: 0.001 second

Submitted On: 2024-12-18 13:54:32

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
bool u[256];

int main() {
    char s1[21];
    fgets(s1,21,stdin);
    
    char s2[21];
    fgets(s2,21,stdin);
    for(int i=0; i<strlen(s1); i++) {
        if(!((s1[i] >= 'A' && s1[i] <= 'Z') || (s1[i] >= 'a' && s1[i] <= 'z'))) {
            continue;
        }
        if((u[s1[i]] == false) && (strchr(s2, s1[i]) == NULL)) {
            continue;
        }
        u[s1[i]] = true;
        printf("%c ", s1[i]);
    }

    printf("\n");
    return 0;
}