摘要:
题目: map和set可不可以组合呢,想了想好像也可以,set只负责判断包含,map的存,删,随机取,都可以O(1),有待验证 阅读全文
posted @ 2017-08-22 17:52
stAr_1
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摘要:
Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't 阅读全文
posted @ 2017-08-22 14:28
stAr_1
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