/**
 * Copyright (c) 2001,2002 Yoon, Hyunho <hhyoon@kldp.org>
 * http://mooo.org
 * ----------------------------------------------------------------------
 *
 * LICENSE
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void main(void)
{    int users, computers;                   // 사용자와 컴퓨터의 선택
    int win_user = 0, win_computer = 0;       // 사용자와 컴퓨터의 전적
    char *str[3] = { "Gai", "Bai", "Bo" };   // 가위, 바위, 보 문자열 저장
    srand( (unsigned)time( NULL ) );       // 랜덤 함수 초기화
    printf("Enjoy Gai Bai Bo!\n");
    printf("1. Gai 2. Bai 3. Bo\n\n");
    for (;;) {                               // 무한 루프
        computers = (rand() % 3) + 1;       // 1, 2, 3 중의 하나를 선택
        printf("Enter your choice: ");
        scanf("%d", &users);
        if ( users == 0 )
            break;
        else if ( users < 1 || users > 3 )
            continue;
        printf("You: %s, Computer: %s\n", str[users - 1], str[computers - 1]);
        switch (computers) {
        case 1:
            if ( users == 2 ) {
                printf("You win!\n");
                win_user++;
            }
            else if ( users == 3 ) {
                printf("You lose!\n");
                win_computer++;
            }
            else
                printf("We have the same thing.\n");
            break;
        case 2:
            if ( users == 3 ) {
                printf("You win!\n");
                win_user++;
            }
            else if ( users == 1 ) {
                printf("You lose!\n");
                win_computer++;
            }
            else
                printf("We have the same thing.\n");
            break;
        case 3:
            if ( users == 1 ) {
                printf("You win!\n");
                win_user++;
            }
            else if ( users == 2 ) {
                printf("You lose!\n");
                win_computer++;
            }
            else
                printf("We have the same thing.\n");
            break;
        default:
            printf("Error!\n");
        }
    }
    printf("You win: %d, You lose: %d\n", win_user, win_computer);
    printf("Bye!\n");
}
이 작은숲 문서의 출처는 위키노트의 위키노트/C 언어 예제/가위바위보 게임 만들기 문서입니다.