• 斐波那契数列,质素


    # 列表构建斐波那契数列
    def foo(num):
        foo = []
        a = 0
        b = 1
        for i in range(num):
            foo.append(b)
            a, b = b, a + b
        return foo
    
    res = foo(10)
    # print(res)
    # 递归方式获取斐波那契数列
    lis = []
    for i in range(10):
        if i == 0 or i == 1:
            lis.append(1)
        else:
            lis.append(lis[i-2]+lis[i-1])
    # print(lis)
    # 获取2到100的质素(3,5,7,11,13)质素能被1和本身相除的数
    data = []
    for i in range(2, 100):
        for j in range(2, i):
            if i % j == 0:
                break
        else:
            data.append(i)
    print(data)
    # 水仙花数
    153 = 1**3 + 5**3 + 3**3
    import math
    for i in range(100, 1000):
        x = math.floor(i / 100)
        y = math.floor((i - x * 100)/10)
        z = math.floor(i - (x*100 + y*10))
        k = x**3 + y**3 + z**3
        if i == k:
            print(i)
    import random
    
    def red_package(total, num):
        total = float(total)
        num = int(num)
        min = 0.01
        if num < 1:
            return
        if num == 1:
            print("第%d个人拿到红包金额为:%.2f", (num, total))
            return
        i = 1
        while i < num:
            max = total - min*(num-i)
            k = int((num-i)/2)
            if num - i <= 2:
                k = num - i
            max = max/k
            money = random.randint(int(min*100), int(max*100))
            money = float(money)/100
            total = total - money
            print("第%d个人拿到的红包数为:%.2f,余额为:%.2f" % (i, money, total))
            i += 1
        print("第%d个人拿到的红包数为:%.2f,余额为:%.2f" % (i, total, 0.0))
    
    
    if __name__ == '__main__':
        total = input("输入红包的总金额:")
        num = input("输入红包的数量: ")
        red_package(total, num)
    # 一球从100米高度自由落下,每次落地后反跳回原高度的一半;求它在第10次落地时,共经过多少米?第10次反弹多高?
    
    height = 100
    distance = 100
    hei = []
    dis = []
    for i in range(10):
        height /= 2
        hei.append(height)
        dis.append(distance)
        distance = height * 2
    
    print(hei, sum(dis))
  • 相关阅读:
    Android Action Bar简介
    Android UX & UI 最佳实践: 设计有效的导航
    Android Design Principles
    Android 4.4 KitKat 新特性
    Android 尺寸单位转换和屏幕适配相关
    Android UI线程和非UI线程
    初探机器学习之使用百度EasyDL定制化模型
    初探机器学习之使用百度AI服务实现图片识别与相似图片
    初探机器学习之推荐系统的基础知识
    熊逸《唐诗50讲》壮心篇
  • 原文地址:https://www.cnblogs.com/hello-python2020/p/13926592.html
Copyright © 2020-2023  润新知