import random #随机
#主函数-打印基本信息-获取数据-判断赢场数-打印赢场
def main():
printIntro()
probA, probB, n = getInputs()
winsA, winsB = simNGames(n, probA, probB)
printSummary(winsA, winsB)
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 #设置赢场数
for i in range(n):
scoreA,scoreB = simOneGame(probA,probB)
if scoreA > scoreB:
winsA += 1
else:
winsB += 1
return winsA , winsB
def simOneGame(probA,probB):
scoreA, scoreB = 0, 0 #设置分数
serving = "A"
while not gameOver(scoreA,scoreB): #没有结束就……
if serving == "A":
if random.random() < probA: #以随机数作为运气
scoreA += 1
else:
serving = "B"
else:
if random.random() < probB:
scoreB += 1
else:
serving = "A"
return scoreA , scoreB
def gameOver(a,b):
return a==15 or b==15 #如果超过15分就结束一场
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))
main()