随笔分类 -  CF从零单排

CF,从提交量最搞的的题目开始,每天1题,日常打卡。
摘要:题目来源: http://codeforces.com/problemset/problem/743/B Chloe, the same as Vladik, is a competitive programmer. She didn't have any problems to get to th 阅读全文
posted @ 2020-08-12 16:42 gdgzliu 阅读(218) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/514/A Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn't good at numbers but he loves in 阅读全文
posted @ 2020-08-11 15:53 gdgzliu 阅读(146) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/contest/4/problem/C A new e-mail service "Berlandesk" is going to be opened in Berland in the near future. The site adminis 阅读全文
posted @ 2020-08-02 00:14 gdgzliu 阅读(99) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/339/B Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are num 阅读全文
posted @ 2020-07-30 22:14 gdgzliu 阅读(129) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/230/A Kirito is stuck on a level of the MMORPG he is playing now. To move on in the game, he's got to de 阅读全文
posted @ 2020-07-27 21:15 gdgzliu 阅读(136) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/479/A Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. 阅读全文
posted @ 2020-07-27 20:56 gdgzliu 阅读(107) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/131/A wHAT DO WE NEED cAPS LOCK FOR? Caps lock is a computer keyboard key. Pressing it sets an input mod 阅读全文
posted @ 2020-07-27 20:03 gdgzliu 阅读(181) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/contest/158/problem/B After the lessons n groups of schoolchildren went outside and decided to visit Polycarpus to celebrat 阅读全文
posted @ 2020-07-27 11:37 gdgzliu 阅读(116) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/110/A Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal 阅读全文
posted @ 2020-07-27 10:48 gdgzliu 阅读(170) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/266/B During the break the schoolchildren, boys and girls, formed a queue of n people in the canteen. In 阅读全文
posted @ 2020-07-27 08:38 gdgzliu 阅读(136) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/116/A Linear Kingdom has exactly one tram line. It has n stops, numbered from 1 to n in the order of tra 阅读全文
posted @ 2020-07-27 00:55 gdgzliu 阅读(147) 评论(0) 推荐(0)
摘要:题目来源: http://codeforces.com/problemset/problem/122/A Petya loves lucky numbers. Everybody knows that lucky numbers are positive integers whose decimal 阅读全文
posted @ 2020-07-27 00:35 gdgzliu 阅读(148) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/58/A Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room a 阅读全文
posted @ 2020-07-25 15:55 gdgzliu 阅读(167) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/69/A A guy named Vasya attends the final grade of a high school. One day Vasya decided to watch a match 阅读全文
posted @ 2020-07-25 09:56 gdgzliu 阅读(212) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/236/A Those days, many boys use beautiful girls' photos as avatars in forums. So it is pretty hard to te 阅读全文
posted @ 2020-07-24 17:05 gdgzliu 阅读(202) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/266/A There are n stones on the table in a row, each of them can be red, green or blue. Count the minimu 阅读全文
posted @ 2020-07-24 16:37 gdgzliu 阅读(193) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/96/A Petya loves football very much. One day, as he was watching a football match, he was writing the pl 阅读全文
posted @ 2020-07-24 16:10 gdgzliu 阅读(149) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/339/A Xenia the beginner mathematician is a third year student at elementary school. She is now learning 阅读全文
posted @ 2020-07-24 15:45 gdgzliu 阅读(193) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/263/A You've got a 5 × 5 matrix, consisting of 24 zeroes and a single number one. Let's index the matrix 阅读全文
posted @ 2020-07-24 10:15 gdgzliu 阅读(205) 评论(0) 推荐(0)
摘要:题目来源:http://codeforces.com/problemset/problem/112/A Little Petya loves presents. His mum bought him two strings of the same size for his birthday. The 阅读全文
posted @ 2020-07-23 21:49 gdgzliu 阅读(161) 评论(0) 推荐(0)