C++ python 迴圈累加解Leetcode垃圾車問題2391 Minimum Amount of Time to Collect Gar...

C++ python 迴圈累加解Leetcode垃圾車問題2391  Minimum Amount of Time to Collect Garbage。Leetcode垃圾車的問題根本是閱讀測驗，官方解答用hash map(unordered_map)，GCC的unordered_map很難用，其實也不必用。就一般的loop以及string::find，如果要偷懶用一下accumulate/sum，真是不難，又100趴！

[codes on Leecode]https://leetcode.com/problems/minimum-amount-of-time-to-collect-garbage/solutions/4307675/c-python-loop-accumulate-94ms-beats-100/

[Leetcode playList]https://www.youtube.com/watch?v=0iFR8nafMWE&list=PLYRlUBnWnd5IdDHk2BjqXwesydU17z_xk