A. Design Tutorial: Learn from Math time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One way to create a task is to learn from math. You can generate some random math statement or modify som…
Problem description One way to create a task is to learn from math. You can generate some random math statement or modify some theorems to get something new and build a new task from that. For example, there is a statement called the "Goldbach's conj…
time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One way to create a task is to learn from math. You can generate some random math statement or modify some theorems to get something new and…
Design Tutorial: Learn from Life time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One way to create a task is to learn from life. You can choose some experience in real life, formalize it an…
B. Design Tutorial: Learn from Life time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One way to create a task is to learn from life. You can choose some experience in real life, formalize it…
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace GoetheOfArithmetic { class Program { static void Main(string[] args) { Console.WriteLine("请输入一个大于6的偶数:"); int intNum = Convert.ToInt32(Console.ReadLi…
验证哥德巴赫猜想:任何一个大于 6 的偶数,都能分解成两个质数的和.要求输入一个整数,输出这个 数能被分解成哪两个质数的和. eg : 14 14=3+11 14=7+7 public class TestGoldbach{ public static void main(String[] args){ java.util.Scanner s = new java.util.Scanner(System.in); int n = s.nextInt(); //输入大于 6 的偶数 while (…
D. Taxes time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mr. Funt now lives in a country with a very specific tax laws. The total income of mr. Funt during this year is equal to n (n ≥ 2)…
Taxes time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mr. Funt now lives in a country with a very specific tax laws. The total income of mr. Funt during this year is equal to n (n ≥ 2) bur…
http://codeforces.com/contest/472/problem/D D. Design Tutorial: Inverse the Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There is an easy way to obtain a new task from an old on…
D. Taxes 题目链接 http://codeforces.com/contest/735/problem/D 题面 Mr. Funt now lives in a country with a very specific tax laws. The total income of mr. Funt during this year is equal to n (n ≥ 2) burles and the amount of tax he has to pay is calculated a…
D. Dima and Lisa Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/584/problem/D Description Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three primes. Help them…
D. Design Tutorial: Inverse the Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There is an easy way to obtain a new task from an old one called "Inverse the problem": we give…
C. Design Tutorial: Make It Nondeterministic time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A way to make a new task is to make it nondeterministic or probabilistic. For example, the hard…