摘要：
B - Moderate Differences Time limit : 2sec / Memory limit : 256MB Score : 400 points Problem Statement There are N squares in a row. The leftmost squa 阅读全文
摘要：
Problem Statement There are N bags of biscuits. The i-th bag contains Ai biscuits. Takaki will select some of these bags and eat all of the biscuits i 阅读全文