题目链接:http://codeforces.com/problemset/problem/752/C time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has Robot which lives on the infinite grid and can move along its lines. He…
C. Santa Claus and Robot time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has Robot which lives on the infinite grid and can move along its lines. He can also, having a sequence…
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has Robot which lives on the infinite grid and can move along its lines. He can also, having a sequence of m pointsp1, p2, ..., …
E. Santa Claus and Tangerines time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has n tangerines, and the i-th of them consists of exactly ai slices. Santa Claus came to a school…
题面: 传送门 B. Santa Claus and Keyboard Check Input file: standard input Output file: standard output Time limit: 2 second Memory limit: 256 megabytes Santa Claus decided to disassemble his keyboard to clean it. After he returned all the keys back, he su…
题目链接:http://codeforces.com/problemset/problem/616/E 题意很简单就不说了. 因为n % x = n - n / x * x 所以答案就等于 n * m - (n/1*1 + n/2*2 ... n/m*m) 在根号n复杂度枚举x,注意一点当m>n时,后面一段加起来就等于0,就不用再枚举了. 中间一段x1 ~ x2 的n/x可能相等,所以相等的一段等差数列求和. //#pragma comment(linker, "/STACK:102400…
A. Anastasia and pebbles time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output Anastasia loves going for a walk in Central Uzhlyandian Park. But she became uninterested in simple walking, so she…
A - Balloon Robot Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%lld & %llu Submit Status Practice ZOJ 3981 Description The 2017 China Collegiate Programming Contest Qinhuangdao Site is coming! There will be \(n\) teams participating…
Problem Description HazelFan is given two positive integers a,b, and he wants to calculate amodb. But now he forgets the value of b and only remember the value of a, please tell him the number of different possible results. Input The first line con…
题目描述 On a plane are nn points ( x_{i}xi , y_{i}yi ) with integer coordinates between 00 and 10^{6}106 . The distance between the two points with numbers aa and bb is said to be the following value: (the distance calculated by such formula is calle…
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has n tangerines, and the i-th of them consists of exactly ai slices. Santa Claus came to a school which has k pupils. Santa dec…
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus likes palindromes very much. There was his birthday recently. k of his friends came to him to congratulate him, and each of them…
D. Santa Claus and a Palindrome time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus likes palindromes very much. There was his birthday recently. k of his friends came to him to co…
E. Santa Claus and Tangerines time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has n tangerines, and the i-th of them consists of exactly ai slices. Santa Claus came to a school…