The best programmers of Embezzland compete to develop a part of the project called "e-Government" — the system of automated statistic collecting and press analysis. We know that any of the k citizens can become a member of the Embezzland governm…
Sereja and Brackets 题目链接: CodeForces - 380C Sereja has a bracket sequence s1, s2, ..., *s**n, or, in other words, a string s* of length n, consisting of characters "(" and ")". Sereja needs to answer m queries, each of them is describe…
Turing Tree Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4948 Accepted Submission(s): 1746 Problem Description After inventing Turing Tree, 3xian always felt boring when solving problems a…