D - Joyful Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Description Sakura has a very magical tool to paint walls. One day, kAc asked Sakura to paint a wall that looks like an $M \times N$ matrix. The wal…
Cow Marathon Time Limit: 2000MS Memory Limit: 30000K Total Submissions: 4216 Accepted: 2137 Case Time Limit: 1000MS Description After hearing about the epidemic of obesity in the USA, Farmer John wants his cows to get more exercise, so he has com…
题目: The Euler function Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 166 Accepted Submission(s): 96 Problem Description The Euler function phi is an important kind of function in number theory…
package y2019.Algorithm.array; /** * @ProjectName: cutter-point * @Package: y2019.Algorithm.array * @ClassName: ArrayPairSum * @Author: xiaof * @Description: 561. Array Partition I * Given an array of 2n integers, your task is to group these integers…
Language: Default Long Long Message Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 21228 Accepted: 8708 Case Time Limit: 1000MS Description The little cat is majoring in physics in the capital of Byterland. A piece of sad news comes…
C. Three displays time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output It is the middle of 2018 and Maria Stepanovna, who lives outside Krasnokamensk (a town in Zabaikalsky region), wants to ren…
题目大意:给你L到N的范围,要求你求这个范围内的所有整数的立方和. Sample Input2 //T1 32 5 Sample OutputCase #1: 36Case #2: 224 # include <iostream> # include <cstdio> # include <cstring> # include <algorithm> # include <cmath> # define LL long long using na…
传送门 Description There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)). Example 1: nums1 = [1, 3] nums2 = [2] The median is 2.0 Exampl…
Description: Count the number of prime numbers less than a non-negative number, n 提示晒数法: http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes https://primes.utm.edu/howmany.html 别人的代码: int countPrimes(int n) { if (n<=2) return 0; vector<bool> p…