摘要:
题目链接: " CF750E New Year and Old Subsequence" E. New Year and Old Subsequence time limit per test 3 seconds memory limit per test 256 megabytes input s 阅读全文
摘要:
洛谷题目链接: "[USACO06DEC]牛奶模式Milk Patterns" 题目描述 Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further inv 阅读全文