I. Beautiful Array 2017- BUPT Collegiate Programming Contest - sync 时间限制 1000 ms 内存限制 65536 KB 题目描述 We call an array "beautiful array of level L", when all its adjacent number pairs have common factor greater than or equal to L. Obviously, a &qu…
H. Black-white Tree 2017- BUPT Collegiate Programming Contest - sync 时间限制 1000 ms 内存限制 65536 KB 题目描述 Alice and Bob take turns to perform operations on a rooted tree of size n. The tree is rooted at node 1, with each node colored either black or white…
F. Gabriel's Pocket Money 2017- BUPT Collegiate Programming Contest - sync 时间限制 2000 ms 内存限制 65536 KB 题目描述 For centuries, Heaven has required its young angels to live and study among humans in order to become full-fledged angels. This is no different…
2018 ACM 国际大学生程序设计竞赛上海大都会赛重现赛 J Beautiful Numbers (数位DP) 链接:https://ac.nowcoder.com/acm/contest/163/J?&headNav=acm来源:牛客网 时间限制:C/C++ 8秒,其他语言16秒 空间限制:C/C++ 262144K,其他语言524288K 64bit IO Format: %lld 题目描述 NIBGNAUK is an odd boy and his taste is strange a…
Educational Codeforces Round 63 (Rated for Div. 2) D. Beautiful Array time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given an array aa consisting of nn integers. Beauty of array i…