预测队伍比赛成绩

　　1 # -*- coding: utf-8 -*-

2 """

3 Created on Sun May 12 12:26:37 2019

4

5 @author: Regan_White_Lin12

6 """

7

8 from random import random

9 def printIntro():

10 print("这个程序模拟四个选手A,B,C和D的乒乓球比赛")

11 print("程序运行需要A,B,C和D的能力值（以0到1之间的小数表示）")

12 print("作者：Regan_White_Lin 12")

13 def getInputs():

14 a = eval(input("请输入选手A的能力值(0-1): "))

15 b = eval(input("请输入选手B的能力值(0-1): "))

16 c = eval(input("请输入选手C的能力值(0-1): "))

17 d = eval(input("请输入选手D的能力值(0-1): "))

18 n = eval(input("模拟每两名选手比赛的场次: "))

19 return a, b, c, d, n

20 def simNGames(probA, probB):

21 winsA, winsB = 0, 0

22 for i in range(7):

23 scoreA, scoreB = simOneGame(probA, probB)

24 if scoreA > scoreB:

25 winsA += 1

26 else:

27 winsB += 1

28 return winsA, winsB

29 def simnGames1(n,probA,probB):

30 WinsA,WinsB=0,0

31 for i in range(n):

32 winsA, winsB = simNGames(probA,probB)

33 if winsA>winsB:

34 WinsA+=1

35 else:

36 WinsB+=1

37 return WinsA,WinsB

38 def simnGames2(n,probA,probB,WinsA,WinsB):

39 for i in range(n):

40 winsA, winsB = simNGames(probA,probB)

41 if winsA>winsB:

42 WinsA+=1

43 else:

44 WinsB+=1

45 return WinsA,WinsB

46 def gameOver(a,b):

47 if a<11 and b<11:

48 return 0

49 elif a==11 and b<10 or b==11 and a<10:

50 return 1

51 elif a-b==2 and a>11 or b-a==2 and b>11:

52 return 1

53 def simOneGame(probA, probB):

54 scoreA, scoreB = 0, 0

55 serving = "A"

56 while not gameOver(scoreA, scoreB):

57 if serving == "A":

58 if random() < probA:

59 scoreA += 1

60 else:

61 serving="B"

62 else:

63 if random() < probB:

64 scoreB += 1

65 else:

66 serving="A"

67 return scoreA, scoreB

68

69 import operator

70 Departs = []

71 class Department:

72 def __init__(self,num,char):

73 self.num = num大佬们都在玩{精选官网网址: www.vip333.Co }值得信任的品牌平台!

74 self.char = char

75 def main():

76 printIntro()

77 probA, probB, probC, probD, n = getInputs()

78 WinsA, WinsB = simnGames1(n, probA, probB)

79 WinsC, WinsD = simnGames1(n, probC, probD)大佬们都在玩{精选官网网址: www.vip333.Co }值得信任的品牌平台!

80 WinsA, WinsC = simnGames2(n, probA, probC, WinsA, WinsC)

81 WinsB, WinsD = simnGames2(n, probB, probD, WinsB, WinsD)

82 WinsA, WinsD = simnGames2(n, probA, probD, WinsA, WinsD)

83 WinsB, WinsC = simnGames2(n, probB, probC, WinsB, WinsC)

84 print("竞技分析开始，共模拟{}场比赛".format(n*6))

85 Departs.append(Department(WinsA, 'A' ))

86 Departs.append(Department(WinsB, 'B' ))

87 Departs.append(Department(WinsC, 'C' ))

88 Departs.append(Department(WinsD, 'D' ))

89 cmpfun = operator.attrgetter('num')

90 Departs.sort(key=cmpfun)

91 i=0

92 for depart in Departs:

93 i+=1

94 if i==1:

95 print("第四名：选手"+depart.char+",胜局数："+str(depart.num))

96 elif i==2:

97 print("第三名：选手"+depart.char+",胜局数："+str(depart.num))

98 elif i==3:大佬们都在玩{精选官网网址: www.vip333.Co }值得信任的品牌平台!

99 print("第二名：选手"+depart.char+",胜局数："+str(depart.num))

100 elif i==4:

101 print("第一名：选手"+depart.char+",胜局数："+str(depart.num))

102 main()

103 input("按下任意键退出程序......")