Codeforce 914 D. Bash and a Tough Math Puzzle 解析(線段樹.數論) 今天我們來看看CF914D 題目連結 題目 給你一個長度為\(n\)的數列\(a\),每次玩家會選擇一個區間猜\(g.c.d.\)的值,或者改變數列中的某個數字.而猜中不一定要完全準確,如果玩家能夠改動一個區間中的數字讓\(g.c.d.\)完全猜中也是可以的. 前言 我對線段樹還是不熟阿,一開始一直感覺\(g.c.d.\)沒辦法用線段樹維護... 想法 上模板,從維護區間和的模板改成…
Copying Data Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Description We often have to copy large volumes of information. Such operation can take up many computer resources. Therefore, in this problem you are advised to come…
E. Copying Data time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output We often have to copy large volumes of information. Such operation can take up many computer resources. Therefore, in this p…
题目链接: http://codeforces.com/problemset/problem/292/E E. Copying Data time limit per test2 secondsmemory limit per test256 megabytes 问题描述 We often have to copy large volumes of information. Such operation can take up many computer resources. Therefore…
We often have to copy large volumes of information. Such operation can take up many computer resources. Therefore, in this problem you are advised to come up with a way to copy some part of a number array into another one, quickly. More formally, you…
