Programming VIP

A. Integer Diversity Count the number of figures with different absolute values in all figures. Only when the number of absolute values is less than 2 #include<bits/stdc++.h> using namespace std; typedef long long ll; const int inf=0x3f3f3f3f; const int N=200100; int n,m,t; int w[N]; int cw[N]; int main(){ cin>>t; while(t--) ...

General idea of the topic Given a tree with \ (n(1\leq n\leq 2\times 10^5) \) points, some edges of the tree have edge weight and some edges have no edge weight. Given \ (m(1\leq m\leq 2\times 10^5) \) restrictions, whether the number of \ (1 \) bits on the exclusive or sum of edge weights on the path from \ (u \) to \ (v \) is odd or even. Now ...

B. Two Tables Question meaning: given a rectangle of W*H, there is a blue table in it, with coordinates (left and right vertices) (x1,y1)(x2,y2), and then there is a red table in it. To release the red table, ask you the minimum distance the blue table moves. Idea: you only need to move up, down, left and right in a single direction, because ...

This Div2 was a hell of a game, but the harvest was great (the remaining two questions of Div1 really couldn't be filled) "Game link" A. Two Subsequences "Original title link" Difficulty: \ (800 \) (sign in question) Main idea of the title: Split the string \ (S \) into two substrings \ (A \) and \ (B \), so that the dicti ...

Link. Codeforces Luogu P.S. It looks so halal. It looks so original. It looks so fresh. The Luogu score is just a purple. It's difficult to open. woc *3100, fear, fear, claw, claw. And@ Krimson A practice of Hu together. Description. There is a tree with no root and no edge. The \ (\ {p_i \} \) weight of an array is defined as \ (\ sum\text{dis ...

Four Checked-in Issues ~~~ A.Luntik and Concerts Headline: Given three integers a , b , c a,b,c a,b,c, which represent the numbers you have now ...

Deltix Round, Summer 2021 (Div. 1 + Div. 2) address A Explanation: Let a < B, the operation can be constructed in one step ( − x , x ) (-x,x) ...