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B. Light It Uptime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, you bought a brand new smart lamp with programming features. At first, you ...

Problem Description Chiaki has an array of n positive integers. You are told some facts about the array: for every two elements ai and aj in the subarray al..r (l≤i<j≤r), ai≠ajholds. Chiaki would ...

Problem Description Chiaki has n strings s1,s2,…,sn consisting of '(' and ')'. A string of this type is said to be balanced: + if it is the empty string + if A and B are balanced, AB is balanced, + i...