2020年11月14日
Codeforces#681 (div.2)D. Extreme Subtraction(差分序列,构造)
摘要： Extreme Subtraction time limit per test2 seconds memory limit per test256 megabytes You are given an array a of 𝑛 positive integers. You can use the 阅读全文
posted @ 2020-11-14 20:10 xiaodangao 阅读(127) 评论(0) 推荐(0) 编辑