[LeetCode] 495. Teemo Attacking
2018-03-15 19:58
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问题描述
In LOL world, there is a hero called Teemo and his attacking can make his enemy Ashe be in poisoned condition. Now, given the Teemo’s attacking ascending time series towards Ashe and the poisoning time duration per Teemo’s attacking, you need to output the total time that Ashe is in poisoned condition.You may assume that Teemo attacks at the very beginning of a specific time point, and makes Ashe be in poisoned condition immediately.
Example 1:
Input: [1,4], 2 Output: 4 Explanation: At time point 1, Teemo starts attacking Ashe and makes Ashe be poisoned immediately. This poisoned status will last 2 seconds until the end of time point 2. And at time point 4, Teemo attacks Ashe again, and causes Ashe to be in poisoned status for another 2 seconds. So you finally need to output 4.
Example 2:
Input: [1,2], 2 Output: 3 Explanation: At time point 1, Teemo starts attacking Ashe and makes Ashe be poisoned. This poisoned status will last 2 seconds until the end of time point 2. However, at the beginning of time point 2, Teemo attacks Ashe again who is already in poisoned status. Since the poisoned status won't add up together, though the second poisoning attack will still work at time point 2, it will stop at the end of time point 3. So you finally need to output 3.
Leetcode 传送门Teemo Attacking
问题分析
数组表示释放毒素是时间戳,如果上次的毒素时间没有消失,在新的时间戳又受到新的伤害,则上个时间戳收到的毒伤时间重置,给定每次毒伤害的持续时间,求总的受到毒伤害的时间C++实现
class Solution { public: int findPoisonedDuration(vector<int>& timeSeries, int duration) { if (timeSeries.size() == 0) return 0; int res = duration; for (int i = 1; i < timeSeries.size(); ++i) { res += min(duration,timeSeries[i] - timeSeries[i-1]); } return res; } };
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