#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define SIZE    20

int is_duplicate(int arr[], int size, int value);

int main() {
    int value[SIZE];
    srand((unsigned)time(NULL));

    printf("정렬 전 [");
    int count = 0;
    while(count < SIZE){
        // 0 ~ 99
        int num = rand() % 100;
        if(!is_duplicate(value, count, num)){
            value[count] = num;
            printf(" %02d ", value[count]);
            count++;
        }
    }
    printf("]\n");

    for(int i = 0; i < SIZE - 1; i++){
        for(int j = 0; j < SIZE - i - 1; j++){
            if(value[j] > value[j + 1]){
                int tmp = value[j];
                value[j] = value[j + 1];
                value[j + 1] = tmp;
            }
        }
    }
    
    printf("정렬 후 [");
    for(int i = 0; i < SIZE; i++){
        printf(" %02d ", value[i]);
    }
    printf("]\n");
    

    return 0;
}

int is_duplicate(int arr[], int size, int value){
    for(int i = 0; i < size; i++){
        if(arr[i] == value){ return 1; }
    }

    return 0;
}