模拟体育竞技分析

 

1）模拟体育竞技分析：（不同学号选做不同题目，必做题）‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

a.采用乒乓球比赛规则（学号尾号为0,1,2,3同学必做及格题）。‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

（即：一局比赛：‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

在一局比赛中，先得11分的一方为胜方；10平后，先多得2分的一方为胜方。‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

一场比赛：‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‮‬

单打的淘汰赛采用七局四胜制，双打淘汰赛和团体赛采用五局三胜制。

from random import random

class bisai(object):
    def __init__(self, nlA, nlB, n):
        self.nlA = nlA
        self.nlB = nlB
        self.n = n
        self.dfA = 0
        self.dfB = 0
        self.slA = 0
        self.slB = 0
        self.scA = 0
        self.scB = 0
    def bsai(self):
        qquan = 'A'
        for i in range(self.n):
            #重置比分
            self.slA = 0
            self.slB = 0
            while not self.slA==4 or self.slB==4:
                #重置得分
                self.dfA = 0
                self.dfB = 0
                while not self.dfA==11 or self.dfB==11:
                    if qquan == 'A':
                        if random()<self.nlA:
                            self.dfA += 1
                        else:
                            qquan = 'B'
                    else:
                        if random()<self.nlB:
                            self.dfB += 1
                        else:
                            qquan = 'A'

                    #先到11分获胜，如果出现10平先多积两分者获胜
                    if self.dfA >= 11 and self.dfB < 10:
                        self.slA += 1
                        break
                    elif self.dfB >= 11 and self.dfA < 10:
                        self.slB += 1
                        break
                    #出现10平先多积两分者获胜
                    elif self.dfA == 10 and self.dfB == 10:
                        while not self.dfA==12 or self.dfB==12:
                            if qquan == 'A':
                                if random()<self.nlA:
                                    self.dfA += 1
                                else:
                                    qquan = 'B'
                            else:
                                if random()<self.nlB:
                                    self.dfB += 1
                                else:
                                    qquan = 'A'
                            if self.dfA >= 12 and self.dfB < 12:
                                break
                            elif self.dfB >= 12 and self.dfA < 12:
                                break
                    #先积两分者获胜
                    if self.dfA >= 12 and self.dfB < 12:
                        self.slA += 1
                        break
                    elif self.dfB >= 12 and self.dfA < 12:
                        self.slB += 1
                        break
                #七局四胜
                if self.slA >= 4 and self.slB < 4:
                    self.scA += 1
                    break
                elif self.slB >= 4 and self.slA<4:
                    self.scB += 1
                    break

def main():
    A = eval(input())
    B = eval(input())
    n = int(input())
    b = bisai(A, B, n)
    b.bsai()
    print(b.scA, b.scB)
    print("A胜率{:.2f}%".format(b.scA/b.n*100))
    print("B胜率{:.2f}%".format(b.scB/b.n*100))
if __name__ == '__main__':
    main()