题目链接:http://acm.csu.edu.cn/csuoj/problemset/problem?pid=1809 Bobo has a balanced parenthesis sequence P=p 1 p 2…p n of length n and q questions. The i-th question is whether P remains balanced after p ai and p bi swapped. Note that questions are ind…
区间最小值(2) Time Limit : 3000/1000ms (Java/Other) Memory Limit : 65535/32768K (Java/Other) Total Submission(s) : 26 Accepted Submission(s) : 9 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description 给定一个数字序列以及一些操作,查询随意给定区间内数字的最小…
区间最小值 Time Limit : 3000/1000ms (Java/Other) Memory Limit : 65535/32768K (Java/Other) Total Submission(s) : 12 Accepted Submission(s) : 5 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description 给定一个数字序列,查询随意给定区间内数字的最小值. Input…
In the traditional RMQ (Range Minimum Query) problem, we have a static array A. Then for each query (L, R) (L<=R), we report the minimum value among A[L], A[L+1], …, A[R]. Note that the indices start from 1, i.e. the left-most element is A[1]. In thi…
转自http://kodango.com/generate-number-sequence-in-shell Shell里怎么输出指定的数字序列: for i in {1..5}; do echo $i; done可以输出 1 2 3 4 5 但是如果 END=5 for i in {1..$END}; do echo $i; done 就不灵了... 怎么才能通过变量传一个区间进来,让他输出数字序列? 查了下文档,知道为什么{1..$END}没有效果了,看GNU的bash手册是这么说的: Br…