big_hit

别人问个双色球的事，本人装逼意味随便写写就有了。记过估计弄了1个多点。NM自信心完全受打击。最后还是个丑陋至极的东西。

如果不用stl，搜索，随机产生并检测都要自己写。贪图了个安逸结果也没减少时间，CTM啊。开始用set，当然是为了贪图find(),结果不知道出的啥问题，反正肯定就是iterator的问题，烦人的.end()。后来没办法还是用vector，遍历搜索啥的还是没有避免,就为了用erase()来完成避免随机生成的数重复。可选择的多了反而2B了，要是只能用c还不让用STL估计时间也差不多。心情很差。

#include <iostream>
#include <time.h>
#include <stdlib.h>
#include <set>
#include <vector>
#include <math.h>
using namespace std;

#define RED_NUM 33
#define BLUE_NUM 16
#define IN_RED_NUM 6
#define IN_BLUE_NUM 1

vector<int> redball;
vector<int> blueball;

void init()
{
    for (int i = 0; i< RED_NUM; i++)
    {
        redball.push_back(i + 1);
    }
    for (int i = 0; i< BLUE_NUM; i++)
    {
        blueball.push_back(i + 1);
    }
}

int generateRed()
{
    int val;
    vector<int>::iterator it;
    bool flag = false;
    do 
    {
        val = rand() % RED_NUM + 1;
        for (it = redball.begin(); it != redball.end(); it++)
        {
            int temp = *it;
            if (temp == val)
            {
                flag = true;
                break;
            }
        }
    } while (!flag);
    redball.erase(it);
    return val;
}

int generateBlue()
{
    int val;
    vector<int>::iterator it;
    bool flag = false;
    do
    {
        val = rand() % BLUE_NUM + 1;
        for (it = blueball.begin(); it != blueball.end(); it++)
        {
            if ((*it) == val)
            {
                flag = true;
                break;
            }
        }
    } while (!flag);
    blueball.erase(it);
    return val;
}

bool checkIn(int val, int* arr, int num)
{
    for (int i = 0; i < num; i++)
    {
        if (val == arr[i])
        {
            return true;
        }
    }
    return false;
}

void main()
{
    srand(time(NULL));
    int red[IN_RED_NUM];
    int blue;
        
    int inRed[IN_RED_NUM];
    int inBlue;

    int hitRed = 0;
    int hitBlue = 0;

    init();

    for (int i = 0; i < IN_RED_NUM; i++)
    {
        red[i] = generateRed();
    }

    blue = generateBlue();

    cout<<"input red 6:"<<endl;
    for (int i = 0; i < IN_RED_NUM; i++)
    {
        cin>>inRed[i];
    }
    cout<<"input blue 1:"<<endl;
    cin>>inBlue;

    for (int i = 0; i < IN_RED_NUM; i++)
    {
        if (checkIn(inRed[i], red, IN_RED_NUM))
        {
            hitRed++;
        }
    }
    if (inBlue == blue)
    {
        hitBlue = 1;
    }

    cout<<"right red:";
    for (int i = 0; i < IN_RED_NUM; i++)
    {
        cout<<red[i]<<" ";
    }
    cout<<endl;
    cout<<"your red:";
    for (int i = 0; i < IN_RED_NUM; i++)
    {
        cout<<inRed[i]<<" ";
    }
    cout<<endl;
    cout<<"right blue:"<<blue<<endl;
    cout<<"your blue:"<<inBlue<<endl;
    cout<<"hits: red-"<<hitRed<<";blue-"<<hitBlue<<endl;

    system("pause");
}