C language implementation guess Numbers (with source code, can be directly run)

Beginner warning

Beginner warning

Beginner warning

重要的事说三遍,please spray

A freshman majoring in electronic information,学校放寒假了,It's boring at home,And not next semesterclanguage courses,Or write something to review and review,Don't give it back to the teacher（逃

#define _CRT_SECURE_NO_WARNINGS
//我用的编辑器是vs2019,防止scanfWait for the function to report an error,gcc、devWait for the editor to remove this line

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

//函数声明
void test();
void again();
void menu();
void game();
int generate_num();


void menu()
{
    
	printf("\n");
	printf("****************************\n");
	printf("***** 猜数字 ****\n");
	printf("***** 请输入1或者0 ****\n");
	printf("***** 1.开始 0.退出 ****\n");
	printf("****************************\n");
	printf("\n");
}


void again()
{
    
	printf("\n");
	printf("想再玩一次吗？\n");
	printf("输入1再玩一次,输入0退出游戏:>");
}


int main()
{
    
	test();//调用test函数
	return 0;
}


void test()
{
    
	int input = 0;
	do
	{
    
		menu();
		printf("请选择:>");
		scanf("%d", &input);//According to the user's input through the line to choose to start the game or quit
		switch (input)
		{
    
		case 1:
			game();//调用游戏函数
			break;
		case 0:
			printf("退出游戏！\n");
			break;
		default:
			printf("输入错误,请重新输入！\n");
			break;
		}
	} while (input);//It can also be controlled using user-entered valuesdo—while循环
}


void game()
{
    
	int temp;
	int input;
	printf("Please enter the range of numbers you want to guess(左小右大,用空格隔开):>");
	temp = generate_num();//随机数生成函数,得到随机值
	do//进行do—while循环,Stops until the user enters the correct number
	{
    
		printf("请输入你猜的数:>");
		scanf("%d", &input);
		if (input == temp)
		{
    
			printf("猜对啦！\n");
			break;
		}
		else if (input < temp)
		{
    
			printf("Small, small！\n");
		}
		else if (input > temp)
		{
    
			printf("Big, big, big！\n");
		}
	} while (1);
	int a;
	do//Ask if you want to play again
	{
    
		again();
		scanf("%d", &a);
		switch (a)
		{
     
		case 1:
			game();//递归调用,重新开始游戏
		case 0:
			printf("退出游戏！\n");
			exit(0);//退出程序
		default:
			printf("输入错误,请重新输入！\n");
			break;
		}
	} while (a);//It can also be controlled using user-entered valuesdo—while循环
}


int generate_num()
{
    
	int x, y, z;
	srand((unsigned int)time(NULL) * 100);//Use timestamps to generate random numbers,When the input range is small*100可以去掉
	scanf("%d%d", &x, &y);//Given a range for generating random numbers
	if (x > y)//判断是否符合要求
	{
    
		printf("The previous number you entered is greater than the next number！\n");
		printf("请重新输入:>");
		generate_num();
	}
	else if (x == y)
	{
    
		printf("You enter two numbers the same！\n");
		printf("请重新输入:>");
		generate_num();
	}
	else
	z = rand() % y + x;//生成随机数
	return z;
}

Comments are written in the code,本人是初学者,If there is any inadequacy, please correct me