Given a positive integer N, how many ways can we write it as a sum of consecutive positive integers? Example 1: Input: 5 Output: 2 Explanation: 5 = 5 = 2 + 3 Example 2: Input: 9 Output: 3 Explanation: 9 = 9 = 4 + 5 = 2 + 3 + 4 Example 3: Input: 15 Ou
Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of all contiguous subarray of the array A. Input There are multiple
https://vjudge.net/problem/UVA-1210 题意: 输入整数n,有多少种方案可以把n写成若干个连续素数之和? 思路: 先素数打表,然后求个前缀和. #include<iostream> #include<cstdio> #include<cmath> #include<cstring> #include<queue> using namespace std; typedef long long ll; +; int n
[C语言]输入一个整数N,求N以内的素数之和 /* ============================================================================ Name : HelloWorld.c Author : Firesun Version : Copyright : Your copyright notice Description : Hello World in C, Ansi-style =======================
public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (true) { System.out.println("please input a positive integer: "); int n = sc.nextInt(); getSubInteger(n); System.out.println("========================="