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add: 220410 [cpp]

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Lam Haoyin 2022-04-10 13:38:06 +08:00
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/**
* 682. Baseball Game
* You are keeping score for a baseball game with strange rules. The game consists of several rounds, where the scores of past rounds may affect future rounds' scores.
* At the beginning of the game, you start with an empty record. You are given a list of strings ops, where ops[i] is the ith operation you must apply to the record and is one of the following:
* - An integer x - Record a new score of x.
* - "+" - Record a new score that is the sum of the previous two scores. It is guaranteed there will always be two previous scores.
* - "D" - Record a new score that is double the previous score. It is guaranteed there will always be a previous score.
* - "C" - Invalidate the previous score, removing it from the record. It is guaranteed there will always be a previous score.
* Return the sum of all the scores on the record.
*
* Refer to: 2203/220326-CN.cpp
*/