链接: https://vjudge.net/problem/CodeForces-721D 题意: Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or subtract it from arbitrary arr…
A. Friends Meeting time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Two friends are on the coordinate axis Ox in points with integer coordinates. One of them is in the point x1 = a, another…
传送门 题目: Dreamoon likes sequences very much. So he created a problem about the sequence that you can't find in OEIS: You are given two integers d,m find the number of arrays a, satisfying the following constraints: The length of a is n, n≥1 1≤a1<a2<⋯…
题目链接:HDU 1102 Constructing Roads Constructing Roads Problem Description There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say two village A and B are conne…
Problem G: Array C Time Limit: 1 Sec Memory Limit: 128 MB Description Giving two integers and and two arrays and both with length , you should construct an array also with length which satisfied: 1.0≤Ci≤Ai(1≤i≤n) 2. and make the value S be min…
