leetcode 495. Teemo Attacking 提莫攻击
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Problem: 495. 提莫攻击
Solution题过程
对每个数字,计算结束时间,以及和下一个数字的距离,若>next,则减去重复的,否则加上duration
复杂度
- 时间复杂度: O ( n ) O(n) O(n)
- 空间复杂度: O ( 1 ) O(1) O(1)
Code
class Solution {
public:
int findPoisonedDuration(vector<int>& timeSeries, int duration) {
int l = 0, end = -1, sum = 0;
while( l < timeSeries.size() ) {
if( end > timeSeries[l] ) {
sum -= end - timeSeries[l];
}
end = timeSeries[l] + duration;
sum += duration;
l++;
}
return sum;
}
};
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