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(123) 评论(0) 推荐(0) 编辑
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(134) 评论(0) 推荐(0) 编辑
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(130) 评论(0) 推荐(0) 编辑
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(154) 评论(0) 推荐(0) 编辑
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(151) 评论(0) 推荐(0) 编辑
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(186) 评论(0) 推荐(0) 编辑
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(174) 评论(0) 推荐(0) 编辑
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(136) 评论(0) 推荐(0) 编辑
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(162) 评论(0) 推荐(0) 编辑
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(149) 评论(0) 推荐(0) 编辑