You are given a sequence of integers a1,a2,…,an. You need to paint elements in colors, so that: If we consider any color, all elements of this color must be divisible by the minimal element of this color. The number of used colors must be minimized.…

链接: https://codeforces.com/contest/1209/problem/A 题意: You are given a sequence of integers a1,a2,-,an. You need to paint elements in colors, so that: If we consider any color, all elements of this color must be divisible by the minimal element of thi…

http://karpathy.github.io/2015/05/21/rnn-effectiveness/ There’s something magical about Recurrent Neural Networks (RNNs). I still remember when I trained my first recurrent network for Image Captioning. Within a few dozen minutes of training my first…

传送门 A. Paint the Numbers 签到. Code #include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 105; int n; int a[N]; bool used[N]; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n; for(int i = 1; i <= n; i…

怎么老是垫底啊. 不高兴. 似乎 A 掉一道题总比别人慢一些. A. Paint the Numbers 贪心,从小到大枚举,如果没有被涂色,就新增一个颜色把自己和倍数都涂上. #include<bits/stdc++.h> #define fec(i, x, y) (int i = head[x], y = g[i].to; i; i = g[i].ne, y = g[i].to) #define dbg(...) fprintf(stderr, __VA_ARGS__) #define F…

题目地址:http://codeforces.com/gym/101090 题目: The H&H company currently develops AI (artificial intelligence) for the game. The goal of the game is to paint all the natural numbers from 1 to N in 10 colors so that if the numbers a and b (a and b are not…

分治.选最左上的点分给根.剩下的极角排序后递归 C. Paint Tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a tree with n vertexes and n points on a plane, no three points lie on one straight line…

E - Paint Tree You are given a tree with n vertexes and n points on a plane, no three points lie on one straight line. Your task is to paint the given tree on a plane, using the given points as vertexes. That is, you should correspond each vertex of…

C. Paint Tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a tree with n vertexes and n points on a plane, no three points lie on one straight line. Your task is to paint…

链接: https://codeforces.com/contest/1245/problem/A 题意: Consider the set of all nonnegative integers: 0,1,2,-. Given two integers a and b (1≤a,b≤104). We paint all the numbers in increasing number first we paint 0, then we paint 1, then 2 and so on. Ea…