摘要： According to Wikipedia: Insertion sort iterates, consuming one input element each repetition, and growing a sorted output list. At each iteration, ins 阅读全文

摘要： Given a singly linked list L with integer keys, you are supposed to remove the nodes with duplicated absolute values of the keys. That is, for each va 阅读全文

摘要： Time limit : 2sec / Memory limit : 256MB Score : 500 points Problem Statement AtCoDeer is thinking of painting an infinite two-dimensional grid in a c 阅读全文

摘要： Time limit : 2sec / Memory limit : 256MB Score : 400 points Problem Statement There are N people standing on the x-axis. Let the coordinate of Person  阅读全文

摘要： Time limit : 2sec / Memory limit : 256MB Score : 200 points Problem Statement You have A 500-yen coins, B 100-yen coins and C 50-yen coins (yen is the 阅读全文