2018-2019 ACM-ICPC, Asia Xuzhou Regional Contest- H. Rikka with A Long Colour Palette -思维+贪心 [Problem Description] 有\(k\)种颜色,给你\(n\)个区间段,选择一种合适的方案给每个区间段染色,使得最终染色次数等于\(k\)次的长度和最大. [Solution] 将左右端点放在一起排序,但是标记出它是左端点,还是右端点,并且记录每个端点属于第几个区间,排序后,对于每个左端点,从未使…
The link to problem:Problem - D - Codeforces D. Range and Partition time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output Given an array a of n integers, find a range of values [x,y] (x≤y…
ACM思维题训练集合 Furik and Rubik love playing computer games. Furik has recently found a new game that greatly interested Rubik. The game consists of n parts and to complete each part a player may probably need to complete some other ones. We know that the…