题意:定义两种操作 1 a ---- 向序列中插如一个元素a 2 a b ---- 将序列的前a个元素[e1,e2,...,ea]重复b次插入到序列中 经过一列操作后,为处于某个位置p的元素是多少.数据范围共有105以内的操作,形成序列中的元素总个数大小不超过64bit长整型表示. 思考:只需要记录两种操作这些关键元素的位置,如果查询的坐标位置刚好是第一种产生的,那么直接就知道结果了:如果查询的是第二种操作产生的,它是由前a个元素重复b次而来,它来自前a个元素,依次递归向前找,直到找到第一种情况…
题目: A. Sereja and Prefixes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Sereja loves number sequences very much. That's why he decided to make himself a new one following a certain algor…
Examples input 5 5 1 2 1 2 1 3 10 1 1 1 output 3 5 4 4 3 input 4 4 1 2 3 4 9 1 10 6 output 1 4 4 1 Note In the first example: after the 1-st minute, the 1-st and 2-nd warriors die. after the 2-nd minute all warriors die (and all arrows left over are…
C. Sereja and Prefixes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Sereja loves number sequences very much. That's why he decided to make himself a new one following a certain algorithm…
链接:https://ac.nowcoder.com/acm/contest/881/A 来源:牛客网 Equivalent Prefixes 时间限制:C/C++ 2秒,其他语言4秒 空间限制:C/C++ 524288K,其他语言1048576K 64bit IO Format: %lld 题目描述 Two arrays u and v each with m distinct elements are called equivalent if and only if R M Q ( u ,…