A. Asphalting Roads time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output City X consists of n vertical and n horizontal infinite roads, forming n × n intersections. Roads (both vertical and hori…

A. Mishka and Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in…

B. Once Again... Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/582/problem/B Description You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that ai = ai -…

C. GCD Table Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/583/problem/C Description The GCD table G of size n × n for an array of positive integers a of length n is defined by formula Let us remind you that the greatest c…

http://codeforces.com/contest/583/problem/D 原题:You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that ai = ai - n. Find the length of the longest non-decreasing sequence of the give…

A. Anton and Polyhedrons time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output Anton's favourite geometric figures are regular polyhedrons. Note that there are five kinds of regular polyhedrons:…

A. Buying A House time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output Zane the wizard had never loved anyone before, until he fell in love with a girl, whose name remains unknown to us. The gi…

D. Once Again... time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that …

题目链接:http://codeforces.com/contest/583/problem/C C. GCD Table time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The GCD table G of size n × n for an array of positive integers a of length n …

A. Dasha and Stairs time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output On her way to programming school tiger Dasha faced her first test — a huge staircase! The steps were numbered from one t…