Given an integer N, you have to print the sum of odd numbers and even numbers form 1 to N Input:First line consists of T test cases. First line of every test case consists of a Single integer N. Output:Single line output, with sum of odd numbers and…

Sum All Odd Fibonacci Numbers 1.要求 给一个正整数num,返回小于或等于num的斐波纳契奇数之和. 斐波纳契数列中的前几个数字是 1.1.2.3.5 和 8,随后的每一个数字都是前两个数字之和. 此题不能用递归来实现斐波纳契数列.因为当num较大时,内存会溢出,推荐用数组来实现. 2.思路 利用for循环得出斐波纳契数前一百个数组成的数列arr 用.filter()按顺序提出arr中的所有奇数 利用for循环计算小于或等于num的斐波纳契奇数之和 3.代码 fun…

找出数组中的单身狗: 1. OddOccurrencesInArray Find value that occurs in odd number of elements. A non-empty zero-indexed array A consisting of N integers is given. The array contains an odd number of elements, and each element of the array can be paired with a…

function sumFibs(num) { //return num; var arr = [1,1]; var add = 2; while(true){ var item = arr[0] + arr[1]; if(num < item){ return add; } if(item % 2){ add += item; } arr[0] = arr[1]; arr[1] = item; } } sumFibs(4);…

http://www.geeksforgeeks.org/maximum-sum-such-that-no-two-elements-are-adjacent/ #include <iostream> #include <vector> #include <algorithm> #include <queue> #include <stack> #include <string> #include <fstream> #i…

题目 给一个正整数num,返回小于或等于num的斐波纳契奇数之和. 斐波纳契数列中的前几个数字是 1.1.2.3.5 和 8,随后的每一个数字都是前两个数字之和. 例如,sumFibs(4)应该返回 5,因为斐波纳契数列中所有小于4的奇数是 1.1.3. 提示 此题不能用递归来实现斐波纳契数列.因为当num较大时,内存会溢出,推荐用数组来实现. 参考文档:博客园,Issue Remainder 测试用例 sumFibs(1) 应该返回一个数字. sumFibs(1000) 应该返回 1785.…

原题链接 简要题意: 多组数据,问能否把 \(n\) 分为 \(k\) 个 不同的 正奇数之和. 盲猜数学结论题. 只要考虑两个问题: \(n\) 的大小是否足够. \(n\) 的奇偶性是否满足. 对于第 \(1\) 条,最小的 \(k\) 个 不同的 正奇数之和为 \(k^2\).(这都不知道,建议重学小学数学) 所以,\(n \geq k^2\) 才可能有解. 对于第 \(2\) 条,因为 \(k\) 个正奇数与 \(k\) 的奇偶性相同,所以必须满足: \[n \equiv k \pmod…

B. Odd sum 题目链接:http://codeforces.com/problemset/problem/797/B time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given sequence a1, a2, ..., an of integer numbers of length n. Your ta…

https://codeforces.com/problemset/problem/797/B time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given sequence a1, a2, ..., an of integer numbers of length n. Your task is to find s…

Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k. Example: Given matrix = [ [1, 0, 1], [0, -2, 3] ] k = 2 The answer is 2. Because the sum of rectangle [[0, 1], […

Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k. Example: Given matrix = [ [1, 0, 1], [0, -2, 3] ] k = 2 The answer is 2. Because the sum of rectangle [[0, 1], […

freecodecamp 中级算法地址戳这里 Sum All Numbers in a Range 我们会传递给你一个包含两个数字的数组.返回这两个数字和它们之间所有数字的和. function sumAll(arr) { arr.sort(function(a,b){ return a-b; }); var a=arr[0]; var sum=arr[0]; while( a<arr[1] ){ a++; sum+=a; } return sum; } sumAll([1, 4]); Diff…

Oracle 10gR2分析函数汇总 (Translated By caizhuoyi 2008‐9‐19) 说明:  1. 原文中底色为黄的部分翻译存在商榷之处,请大家踊跃提意见:  2. 原文中淡蓝色字体的文字,不宜翻译,保持原样.  1. ANALYTIC FUNCTIONS Analytic functions compute an aggregate value based on a group of rows. They differ from aggregate functions…

B. Odd sum time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given sequence a1, a2, ..., an of integer numbers of length n. Your task is to find such subsequence that its sum is odd a…

perl调试教程 一.DESCRIPTIONA (very) lightweight introduction in the use of the perl debugger, and a pointer to existing, deeper sources of information on the subject of debugging perl programs.There's an extraordinary number of people out there who don't…

Description You are given sequence a1, a2, ..., an of integer numbers of length n. Your task is to find such subsequence that its sum is odd and maximum among all such subsequences. It's guaranteed that given sequence contains subsequence with odd su…

About this Course This course will teach you how to build convolutional neural networks and apply it to image data. Thanks to deep learning, computer vision is working far better than just two years ago, and this is enabling numerous exciting applica…

本题地址 https://cn.vjudge.net/contest/302014#problem/L Median Time Limit: 1 Second      Memory Limit: 65536 KB Recall the definition of the median of  elements where  is odd: sort these elements and the median is the -th largest element. In this problem…

A. Array with Odd Sum Description You are given an array \(a\) consisting of \(n\) integers. In one move, you can choose two indices \(1 \le i, j \le n\) such that \(i \ne j\) and set \(a_i := a_j\). You can perform such moves any number of times (po…

A. Non-zero Description: Guy-Manuel and Thomas have an array \(a\) of \(n\) integers [\(a_1, a_2, \dots, a_n\)]. In one step they can add \(1\) to any element of the array. Formally, in one step they can choose any integer index \(i\) (\(1 \le i \le…

Reminder: the median of the array [a1,a2,-,a2k+1] of odd number of elements is defined as follows: let [b1,b2,-,b2k+1] be the elements of the array in the sorted order. Then median of this array is equal to bk+1. There are 2n students, the i-th stude…

Median Time Limit: 1 Second Memory Limit: 65536 KB Recall the definition of the median of elements where is odd: sort these elements and the median is the -th largest element. In this problem, the exact value of each element is not given, but relatio…

C. Epidemic in Monstropolis time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There was an epidemic in Monstropolis and all monsters became sick. To recover, all monsters lined up in queue fo…

原题目: Write a recursive program that extends the range of the Fibonacci sequence.  The Fibonacci sequence is 1, 1, 2, 3, 5, 8, etc., where each element is the sum of the previous two elements. For this problem, instead of only adding the last two elem…

C. The Game Of Parity time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are n cities in Westeros. The i-th city is inhabited by ai people. Daenerys and Stannis play the following game:…

Abstract – In many practical data mining applications such as web page classification, unlabeled training examples are readily available but labeled ones are fairly expensive to obtain. Therefore, semi-supervised learning algorithms such as co-traini…

Description The Fibonacci sequence is the sequence of numbers such that every element is equal to the sum of the two previous elements, except for the first two elements f0 and f1 which are respectively zero and one. What is the numerical value of th…

Subset Time Limit: 30000MS   Memory Limit: 65536K Total Submissions: 1373   Accepted: 228 Description Given a list of N integers with absolute values no larger than 1015, find a non empty subset of these numbers which minimizes the absolute value of…

Subset Time Limit: 30000MS   Memory Limit: 65536K Total Submissions: 3161   Accepted: 564 Description Given a list of N integers with absolute values no larger than 1015, find a non empty subset of these numbers which minimizes the absolute value of…

Yet Another Number Sequence Description Everyone knows what the Fibonacci sequence is. This sequence can be defined by the recurrence relation: F1 = 1, F2 = 2, Fi = Fi - 1 + Fi - 2 (i > 2). We'll define a new number sequence Ai(k) by the formula: Ai(…