#include <stdio.h>
#include <stdlib.h>
#define SIZE 10

int main()
{
    int n = 0;
    int arr[SIZE + 1] = {0,};
    char ans;
    while(1)
    {
        printf("좌석을 예약하시겠습니까?(y 또는 n) ");
        scanf(" %c", &ans);
        if (ans == 'y' || ans == 'Y')
        {
            printf("몇번째 좌석을 예약하시겠습니까?");
            scanf("%d", &n);
            if (arr[n-1] == 0)
            {
                arr[n-1] = 1;
                printf("예약되었습니다.\n");
            }
            else if (arr[n-1] == 1)
            {
                printf("이미 예약된 좌석입니다.\n");
            }
            printf("-------------------------------\n");
            printf("  1  2  3  4  5  6  7  8  9  10\n");
            printf("-------------------------------\n");
            printf("  %d  %d  %d  %d  %d  %d  %d  %d  %d  %d\n", arr[0], arr[1], arr[2], arr[3], arr[4], arr[5], arr[6], arr[7], arr[8], arr[9]);
        }

        else if(ans == 'n' || ans == 'N')
        {
            break;
        }

    }
    return 0;
}

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