摘要:
题目描述 Description 有n个数和5种操作 add a b c:把区间[a,b]内的所有数都增加c set a b c:把区间[a,b]内的所有数都设为c sum a b:查询区间[a,b]的区间和 max a b:查询区间[a,b]的最大值 min a b:查询区间[a,b]的最小值 题 阅读全文
摘要:
Description Squares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the drawings in his 'toilet series' 阅读全文
摘要:
Description Figuring that they cannot do worse than the humans have, Farmer John's cows have decided to start an airline. Being cows, they decide to c 阅读全文