摘要：
B. Merge it！ 题目链接：http://codeforces.com/contest/1176/problem/B 题目 You are given an array a consisting of n integers a1,a2,…,anIn one operation you can 阅读全文
摘要：
A. Divide it! 题目链接：http://codeforces.com/contest/1176/problem/A 题目 You are given an integer n You can perform any of the following operations with thi 阅读全文