摘要：
CodeForces 546C Soldier and CardsTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionTwo bored soldiers are playing card ... 阅读全文
摘要：
栈Time Limit:3000MSMemory Limit:0KB64bit IO Format:%lld & %lluDescriptionYou are given a string consisting of parentheses()and[]. A string of this type... 阅读全文