Python 乒乓球十一分制预判

Posted 2020-11-27 透心凉i

from random import random
def printIntro():
    print("这个程序模拟两个选手A和B的某种竞技比赛")
    print("程序运行需要A和B的能力值（以0到1之间的小数表示）")
def getInputs():
    a = eval(input("请输入选手A的能力值(0-1): "))
    b = eval(input("请输入选手B的能力值(0-1): "))
    n = eval(input("模拟比赛的场次: "))
    return a, b, n
def simNGames(n, probA, probB):
    winsA, winsB = 0, 0
    for i in range(n):
        scoreA, scoreB = simOneGame(probA, probB)
        if scoreA > scoreB:
            winsA += 1
        else:
            winsB += 1
    return winsA, winsB
def gameOver(a,b):
    return a==15 or b==15
def simOneGame(probA, probB):
    scoreA, scoreB = 0, 0
    serving = "A"
    while not gameOver(scoreA, scoreB):
        if serving == "A":
            if random() < probA:
                scoreA += 1
            else:
                serving="B"
        else:
            if random() < probB:
                scoreB += 1
            else:
                serving="A"
    return scoreA, scoreB
def onegamewin(pA,pB):
    if scoreA == 11 and scoreB <10:
        scoreA = 1
        scoreB = 0
    elif scoreB == 11 and scoreA <10:
        scoreB = 1
        scoreA = 0
    while(scoreA >10 and scoreB >10):
        if scoreA - scoreB == 2:
            scoreA = 1
            scoreB = 0
        elif scoreB - scoreA == 2:
            scoreA = 0
            scoreB = 1
    return scoreA, scoreB
def printSummary(winsA, winsB):
    n = winsA + winsB
    print("竞技分析开始，共模拟{}场比赛".format(n))
    print("选手A获胜{}场比赛，占比{:0.1%}".format(winsA, winsA/n))
    print("选手B获胜{}场比赛，占比{:0.1%}".format(winsB, winsB/n))
def winner(winsA,winsB,n):
    if winsA/n > 4/7:
        print("选手A获胜")
    elif winsB/n >4/7:
        print("选手B获胜")
def main():
    printIntro()
    probA, probB, n = getInputs()
    pA,pB = simOneGame(probA,probB)
    winsA, winsB = simNGames(n, probA, probB)
    printSummary(winsA, winsB)
    winner(winsA,winsB,n)
main()