B. Little Elephant and Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Little Elephant loves numbers. He has a positive integer x. The Little Elephant wants to find the number…
E. Little Elephant and Shifts time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Little Elephant has two permutations a and b of length n, consisting of numbers from 1 to n, inclusive. Le…
D. Little Elephant and Array time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output The Little Elephant loves playing with arrays. He has array a, consisting of n positive integers, indexed from…
C. Little Elephant and Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Little Elephant has got a problem — somebody has been touching his sorted by non-decreasing array a of le…
A. Little Elephant and Function time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Little Elephant enjoys recursive functions. This time he enjoys the sorting function. Let a is a permuta…
题目链接: http://codeforces.com/problemset/problem/213/B B. Numbers time limit per test 2 secondsmemory limit per test 256 megabytes 问题描述 Furik loves writing all sorts of problems, especially such that he can't solve himself. You've got one of his proble…
D. Beautiful numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/55/problem/D Description Volodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number is beautiful if and only i…
A. Johny Likes Numbers 题目连接: http://www.codeforces.com/contest/678/problem/A Description Johny likes numbers n and k very much. Now Johny wants to find the smallest integer x greater than n, so it is divisible by the number k. Input The only line con…
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Andrewid the Android is a galaxy-famous detective. He is now investigating a case of frauds who make fake copies of the famous Stolp's gears, pu…
D. Beautiful numbers time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Volodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number is beautiful if…
C. Really Big Numbers time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks…
E DZY Loves Fibonacci Numbers In mathematical terms, the sequence Fn of Fibonacci numbers is defined by the recurrence relation F1 = 1; F2 = 1; Fn = Fn - 1 + Fn - 2 (n > 2). DZY loves Fibonacci numbers very much. Today DZY gives you an array consist…
C. Hexadecimal's Numbers time limit per test 1 second memory limit per test 64 megabytes input standard input output standard output One beautiful July morning a terrible thing happened in Mainframe: a mean virus Megabyte somehow got access to the me…
题目描述: D. Vus the Cossack and Numbers Vus the Cossack has nn real numbers aiai. It is known that the sum of all numbers is equal to 00. He wants to choose a sequence bb the size of which is nn such that the sum of all numbers is 00 and each bibi is ei…
链接: https://codeforces.com/contest/1209/problem/A 题意: You are given a sequence of integers a1,a2,-,an. You need to paint elements in colors, so that: If we consider any color, all elements of this color must be divisible by the minimal element of thi…
A. Little Elephant and Function 逆推. B. Little Elephant and Numbers \(O(\sqrt n)\)枚举约数. C. Little Elephant and Problem 排序后对应不相等的位置为2,且两数交换. D. Little Elephant and Array 离线+分块. E. Little Elephant and Shifts 每个数单独考虑. 假设\(x\)在数组\(a\)的位置\(i\),在数组\(b\)的位置\…
