#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
void menu()
{
	printf("**********************************\n");
	printf("****   1. play    0.exit      ****\n");
	printf("**********************************\n");
}
 
void game()
{
	int guess = 0;
	int r = rand() % 100 + 1;
	while (1)
	{
		printf("猜數(shù)字：");
		scanf("%d", &guess);
		if (guess > r)
		{
			printf("猜大了……");
		}
		else if (guess < r)
		{
			printf("猜小了……");
		}
		else
		{
			printf("猜對了！??！");
			break;
		}
	}
}
 
int main()
{
	int input = 0;
	srand((unsigned int)time(NULL));
	do
	{
		menu();
		printf("輸入你的選擇：");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("退出游戲");
			break;
		default:
			printf("非法選擇");
			break;
		}
	} while (input);
	return 0;
}

運行結果

二、Java版本

代碼

import java.util.Random;
import java.util.Scanner;;
public class guessNum {
    public static void main(String[] args) {
        Random random = new Random(); //隨機數(shù)種子
        Scanner sc = new Scanner(System.in);
        int toGuess = random.nextInt(100);
        while (true) {
            System.out.println("請輸入數(shù)字: (1-100)");
            int num = sc.nextInt();
            if (num < toGuess) {
                System.out.println("低了低了格局低了");
            } else if (num > toGuess) {
                System.out.println("高！真高！");
            } else {
                System.out.println("猜對了?。?！");
                break;
            }
        }
        sc.close();
    }
}