模拟体育竞技分析——乒乓球比赛规则

from random import random

# 打印程序介绍信息
def printIntro():
print("信计52号进行比赛分析结果：")
print("这是团体赛模拟程序:")

# 获得程序运行参数
def getInputs():
a = eval(input("请输入队伍A的能力值(0-1): "))
b = eval(input("请输入队伍B的能力值(0-1): "))
n = eval(input("模拟比赛的场次: "))
return a, b, n

# 进行N场比赛
def simNGames(n, probA, probB):
winsA, winsB = 0, 0
for i in range(n):
for j in range(7): # 进行7局4胜的比赛
scoreA, scoreB = simOneGame(probA, probB)
if scoreA > scoreB:
winsA += 1
else:
winsB += 1
return winsA, winsB

# 正常比赛结束
def gameOver(a, b):
return a == 11 or b == 11

def gameOver2(a, b): # 进行抢12比赛结束
return a == 12 or b == 12

# 进行一场比赛
def simOneGame(probA, probB):
scoreA, scoreB = 0, 0 # 初始化AB的得分
serving = "A"
while not gameOver(scoreA, scoreB): # 用while循环来执行比赛
if scoreA == 10 and scoreB == 10:
return(simtwoGame2(probA,probB))
if serving == "A":
if random() < probA: # 用随机数生成胜负
scoreA += 1
else:
serving = "B"
else:
if random() < probB:
scoreB += 1
else:
serving="A"
return scoreA, scoreB

def simtwoGame2(probA,probB):
scoreA, scoreB=10, 10
serving = "A" # 假如先让队伍A发球
while not gameOver2(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 printSummary(winsA, winsB):
n = winsA + winsB
print("竞技分析开始，共模拟{}场比赛".format(n))
print("队伍A获胜{}场比赛，占比{:0.1%}".format(winsA, winsA/n))
print("队伍B获胜{}场比赛，占比{:0.1%}".format(winsB, winsB/n))

def main():
printIntro()
probA, probB, n = getInputs()
winsA, winsB = simNGames(n, probA, probB)
printSummary(winsA, winsB)

main()