C++整蛊代码（猜数字）

#include<bits/stdc++.h>
#include<cstdio>
#include<windows.h>
#pragma comment (lib, "User32.lib")
using namespace std;
int n_cs(int n)
{
	int t=0,s=1;
	while (s<n)
	{
		s*=2;
		t++;
	}
	return t;
}
int main()
{
	srand(time(0));
	int chlen=rand()%50000;
	char ch[chlen];
	//string str[]={"你干嘛~哈哈哎呦","哈嗨嗨，我又来-当老六","针不戳，住在山里面-针不戳"};
	for (int i=0; i<=chlen; i++)
	{
		ch[i]=rand()%128;
	}
	printf("猜数字(输入0-n的数(输入n),不小于100):");
	int n;
	scanf("%d",&n);
	while (n<100)
	{
		printf("错误，请重新输入:");
		scanf("%d",&n);
	}
	int cishu=n_cs(n);
	printf("你有%d次机会来猜这个数。\n",cishu);
	int m=rand()%n;
	int s;
	for (int i=1; i<=cishu; i++)
	{
		printf("请输入猜的数:");
		scanf("%d",&s);
		if (s>m)
		{
			cout<<"比这个小"<<endl;
		}
		else if (