摘要：
You have n gifts and you want to give all of them to children. Of course, you don't want to offend anyone, so all gifts should be equal between each o 阅读全文
摘要：
You are given the array aa a consisting of n positive (greater than zero) integers. In one move, you can choose two indices i and j (i≠j) such that th 阅读全文
摘要：
Problem Description An undirected connected graph has n n nodes and m m edges, The i -th edge’s length is $2^i$, Each node i has a value \(a_i\) , whi 阅读全文