摘要：
It is a super interesting problem - it's not about the algorithm SKILLs, it is about algorithm THINKING. In this problem, the goal is actually to have 阅读全文
摘要：
Interesting constructive solution. My first reaction was 0-1 Knapsack and I believe it'll work. But you don't have to use it. Think about the min sum 阅读全文