# Instructions：

• In the city where John lives, there are two basketball teams: team A and team B. Two teams play a game every week.

• We know there is a “three-point line” in the basketball court. When a player throws a ball, he can get 2 points if he is standing inside the “three-point line”; otherwise, he can get 3 points.

• John is a fan of the team A. He has a special ability (Magic?): He can change the position of the three-point line. Of course, he’ll change to the best position for the team A.

• Given two integer array teamA and teamB, each element is the distance a player stands when he pitches. Your task is to calculate the best score for the teamA when John uses the special ability (Magic).

• Note, the return value is the difference between the score of two teams: teamA’s score - teamB’s score

• Example

• For teamA = [1,2,3], teamB = [6,5], the output should be 3.

• The three-point line set to 1 meter, then:

• teamA’s score = 3 x 3 = 9, teamB’s score = 2 x 3 = 6

• 9 - 6 = 3

• For teamA = [6,5], teamB = [1,2,3], the output should be 0.

• The three-point line set to 5 meter, then:

• teamA’s score = 2 x 3 = 6, teamB’s score = 3 x 2 = 6

• 6 - 6 = 0

# Past Solutions

• 思路：找到两个数组中的最大值，然后循环将三分线设置为0 到该最大值+1 ，分别计算出两个球队的分数差，最后求出分数差最大值即可
• 代码：