OJ-codeforces - 随笔分类(第4页) - Roni_i

Codeforces Round #454 C. Shockers【模拟/hash】

摘要：C. Shockers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Shockers time limit per t 阅读全文

posted @ 2017-12-27 15:27 Roni_i 阅读(438) 评论(0) 推荐(0)

Codeforces Round #451 (Div. 2) B. Proper Nutrition【枚举/扩展欧几里得/给你n问有没有两个非负整数x,y满足x·a + y·b = n】

摘要：B. Proper Nutrition time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Proper Nutrition t 阅读全文

posted @ 2017-12-22 19:55 Roni_i 阅读(268) 评论(0) 推荐(0)

Codeforces Round #451 (Div. 2) A. Rounding【分类讨论/易错】

摘要：A. Rounding time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya has a non-negative inte 阅读全文

posted @ 2017-12-22 19:36 Roni_i 阅读(166) 评论(0) 推荐(0)

Educational Codeforces Round 34 D. Almost Difference【模拟/stl-map/ long double】

摘要：D. Almost Difference time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Let's denote a func 阅读全文

posted @ 2017-12-13 13:07 Roni_i 阅读(315) 评论(0) 推荐(0)

Educational Codeforces Round 34 C. Boxes Packing【模拟/STL-map/俄罗斯套娃】

摘要：C. Boxes Packing time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Boxes Packing time li 阅读全文

posted @ 2017-12-13 01:46 Roni_i 阅读(447) 评论(0) 推荐(0)

Educational Codeforces Round 34 B. The Modcrab【模拟/STL】

摘要：B. The Modcrab time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. The Modcrab time limit 阅读全文

posted @ 2017-12-13 01:43 Roni_i 阅读(382) 评论(0) 推荐(0)

Educational Codeforces Round 34 A. Hungry Student Problem【枚举】

摘要：A. Hungry Student Problem time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Ivan's classes 阅读全文

posted @ 2017-12-13 01:36 Roni_i 阅读(391) 评论(0) 推荐(0)

Codeforces Round #450 (Div. 2) C. Remove Extra One【*模拟链表/一个数比前面所有数大就是个record。删掉一个数,让record的个数尽量多。】

摘要：C. Remove Extra One time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a perm 阅读全文

posted @ 2017-12-12 10:12 Roni_i 阅读(592) 评论(0) 推荐(1)

Codeforces Round #450 (Div. 2) B. Position in Fraction【数论/循环节/给定分子m 分母n和一个数c，找出c在m/n的循环节第几个位置出现，没出现过输出-1】

摘要：B. Position in Fraction time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You have a fracti 阅读全文

posted @ 2017-12-12 09:48 Roni_i 阅读(554) 评论(0) 推荐(0)

Codeforces Round #450 (Div. 2) A. Find Extra One【模拟/判断是否能去掉一个点保证剩下的点在Y轴同侧】

摘要：A. Find Extra One time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You have n distinct poi 阅读全文

posted @ 2017-12-12 09:42 Roni_i 阅读(147) 评论(0) 推荐(0)

Codeforces Round #343 (Div. 2) A. Far Relative’s Birthday Cake【暴力/组合数】

摘要：A. Far Relative’s Birthday Cake time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Door's fa 阅读全文

posted @ 2017-12-10 16:20 Roni_i 阅读(235) 评论(0) 推荐(0)

Codeforces Round #416 (Div. 2) A. Vladik and Courtesy【思维/模拟】

摘要：A. Vladik and Courtesy time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output At regular compet 阅读全文

posted @ 2017-12-09 16:55 Roni_i 阅读(240) 评论(0) 推荐(0)

Codeforces Round #275 (Div. 2) A. Counterexample【数论/最大公约数】

摘要：A. Counterexample time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Counterexample time 阅读全文

posted @ 2017-12-09 16:32 Roni_i 阅读(280) 评论(0) 推荐(0)

Codeforces Round #309 (Div. 2) A. Kyoya and Photobooks【*组合数学】

摘要：A. Kyoya and Photobooks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Kyoya Ootori is 阅读全文

posted @ 2017-12-08 15:58 Roni_i 阅读(224) 评论(0) 推荐(0)

Codeforces Round #429 (Div. 2) A. Generous Kefa【hash/判断字符串是否有一种字符个数大于m】

摘要：A. Generous Kefa time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output One day Kefa found n ba 阅读全文

posted @ 2017-12-08 15:04 Roni_i 阅读(156) 评论(0) 推荐(0)

Codeforces Round #283 (Div. 2) A. Minimum Difficulty【一个数组定义困难值是两个相邻元素之间差的最大值。给一个数组，可以去掉任意一个元素，问剩余数列的困难值的最小值是多少】

摘要：A. Minimum Difficulty time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Minimum Difficu 阅读全文

posted @ 2017-12-08 13:36 Roni_i 阅读(307) 评论(0) 推荐(0)

Codeforces Round #263 (Div. 2) A. Appleman and Easy Task【地图型搜索/判断一个点四周‘o’的个数的奇偶】

摘要：A. Appleman and Easy Task time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Appleman and 阅读全文

posted @ 2017-12-06 22:41 Roni_i 阅读(250) 评论(0) 推荐(0)

Codeforces Round #189 (Div. 2) A. Magic Numbers【正难则反/给出一个数字串判断是否只由1,14和144组成】

摘要：A. Magic Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Magic Numbers time l 阅读全文

posted @ 2017-12-06 22:17 Roni_i 阅读(459) 评论(0) 推荐(0)

Codeforces Round #410 (Div. 2) A. Mike and palindrome【判断能否只修改一个字符使其变成回文串】

摘要：A. Mike and palindrome time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mike has a string 阅读全文

posted @ 2017-12-06 20:49 Roni_i 阅读(197) 评论(0) 推荐(0)

Codeforces Round #304 (Div. 2) B. Soldier and Badges【思维/给你一个序列，每次操作你可以对一个元素加1，问最少经过多少次操作，才能使所有元素互不相同】

摘要：B. Soldier and Badges time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output B. Soldier and Bad 阅读全文

posted @ 2017-12-06 15:28 Roni_i 阅读(311) 评论(0) 推荐(0)

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随笔分类 - OJ-codeforces

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