抢红包代码

#include "stdio.h"
#include "stdlib.h"
#include "time.h"
long getTimeNs() //为了模拟抢红包结语效果借鉴的时间统计代码
{
    struct timespec ts;
    clock_gettime(CLOCK_REALTIME, &ts);

    return ts.tv_sec * 1000000000 + ts.tv_nsec;
}
void goodLuck(double money, int people, double max, double min); //函数原型
int main()
{
    //变量定义:
    int i, people;
    double money, max, min;
    srand(time(NULL)); //设置随机数种子

    //获取必要参数：
    scanf("%lf", &money);
    scanf("%d", &people);
    scanf("%lf", &max);
    scanf("%lf", &min);

    //开始模拟抢红包：
    goodLuck(money, people, max, min);

    return 0;
}
void goodLuck(double money, int people, double max, double min)
{
    double a = getTimeNs();
    int i;
    double sum = 0;
    int N = people;
    double lucky[N];
    for (i = 0; i < N; i++)
    {
        //使用随机数分配红包权重：
        lucky[i] = (double)rand() / RAND_MAX * (max - min) + min;
        sum += lucky[i];
    }
    int MAX_ = 0, MAX_Index; //运气王数据
    for (i = 0; i < N; i++)
    {
        //使用权重分配金额，防止总金额不匹配：
        lucky[i] = lucky[i] / sum * money;
        printf("恭喜%d号玩家获得%.2lf元\n", i, lucky[i]);
        //运气王的实现：
        if (lucky[i] > MAX_)
        {
            MAX_ = lucky[i];
            MAX_Index = i;
        }
    }
    double b = getTimeNs();
    double time = (b - a) / 100000;
    printf("红包在%.2lf秒内被抢完,%d号玩家是运气王", time,MAX_Index);
}

@探姬！！！！！