mzip的博客

White Cloud placed n containers in sequence on a axes. The i-th container is located at x[i] and there are a[i] number of products in it. White Rabbit wants to buy some products. The products which ar...

K-th Number 题面: Alice are given an array A[1…N] with N numbers. Now Alice want to build an array B by a parameter K as following rules: Initially, the array B is empty. Consider each interval in array...

Color a Tree 题面: Bob intends to color the nodes of a tree with a pen. The tree consists of N nodes. These nodes are numbered 1,2,…,N. The root of the tree is node 1. The initial color of each node is ...