Nature_Ran的专栏

Color a TreeTime Limit: 1000MSMemory Limit: 30000KTotal Submissions: 7238Accepted: 2497DescriptionBob is very interested in the data structure of a tree. A tree is a directed graph in which a special

Sliding WindowTime Limit: 12000MSMemory Limit: 65536KTotal Submissions: 47092Accepted: 13603Case Time Limit: 5000MSDescriptionAn array of size n ≤ 106 is given to you. There is a sliding window of siz

First OneTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 949    Accepted Submission(s): 288Problem Descriptionsoda has an integer array a1,a2,