OJ-codeforces - 随笔分类(第5页) - Roni_i

Codeforces Round #192 (Div. 2) A. Cakeminator【二维字符数组/吃掉cake,并且是一行或者一列下去，但是该行/列必须没有草莓的存在】

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

posted @ 2017-12-06 10:39 Roni_i 阅读(300) 评论(0) 推荐(0)

Codeforces Round #197 (Div. 2) A. Helpful Maths【字符串/给一个连加计算式，只包含数字 1、2、3，要求重新排序，使得连加的数字从小到大】

摘要：A. Helpful Maths time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia the beginner math 阅读全文

posted @ 2017-12-05 23:02 Roni_i 阅读(433) 评论(0) 推荐(0)

Codeforces Beta Round #77 (Div. 2 Only) A. Football【字符串/判断是否存在连续7个0或7个1】

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

posted @ 2017-12-05 22:05 Roni_i 阅读(193) 评论(0) 推荐(0)

Codeforces Round #449 (Div. 2) B. Chtholly's request【偶数位回文数】

摘要：B. Chtholly's request time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Chtholly's requ 阅读全文

posted @ 2017-12-02 23:25 Roni_i 阅读(633) 评论(0) 推荐(0)

Codeforces Round #449 (Div. 2) A. Scarborough Fair【多次区间修改字符串】

摘要：A. Scarborough Fair time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Scarborough Fair 阅读全文

posted @ 2017-12-02 23:11 Roni_i 阅读(189) 评论(0) 推荐(0)

Codeforces Round #299 (Div. 2) B. Tavas and SaDDas【DFS/*进制思维/位运算/一个数为幸运数，当且仅当它的每一位要么是4，要么是7 ，求小于等于n的幸运数个数】

摘要：B. Tavas and SaDDas time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Once again Tavas star 阅读全文

posted @ 2017-12-02 19:13 Roni_i 阅读(219) 评论(0) 推荐(0)

Codeforces Beta Round #4 (Div. 2 Only) C. Registration system【裸hash/map】

摘要：C. Registration system time limit per test 5 seconds memory limit per test 64 megabytes input standard input output standard output A new e-mail servi 阅读全文

posted @ 2017-12-02 18:03 Roni_i 阅读(255) 评论(0) 推荐(0)

Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] A. Raising Bacteria【位运算/二进制拆分/细胞繁殖，每天倍增】

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

posted @ 2017-12-02 15:56 Roni_i 阅读(191) 评论(0) 推荐(0)

Codeforces Round #277.5 (Div. 2) B. BerSU Ball【贪心/双指针/每两个跳舞的人可以配对，并且他们两个的绝对值只差小于等于1，求最多匹配多少对】

摘要：B. BerSU Ball time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. BerSU Ball time limit pe 阅读全文

posted @ 2017-12-02 15:36 Roni_i 阅读(241) 评论(0) 推荐(0)

Codeforces Round #270 A. Design Tutorial: Learn from Math【数论/埃氏筛法】

摘要：time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One way to create a task is to learn from 阅读全文

posted @ 2017-12-02 13:46 Roni_i 阅读(307) 评论(0) 推荐(0)

Codeforces Round #306 (Div. 2) A. Two Substrings【字符串/判断所给的字符串中是否包含不重叠的“BA” “AB”两个字符串】

摘要：A. Two Substrings time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Two Substrings time 阅读全文

posted @ 2017-12-02 12:30 Roni_i 阅读(215) 评论(0) 推荐(0)

Codeforces Round #267 (Div. 2) B. Fedor and New Game【位运算/给你m+1个数让你判断所给数的二进制形式与第m+1个数不相同的位数是不是小于等于k，是的话就累计起来】

摘要：After you had helped George and Alex to move in the dorm, they went to help their friend Fedor play a new computer game «Call of Soldiers 3». The game 阅读全文

posted @ 2017-12-02 10:40 Roni_i 阅读(178) 评论(0) 推荐(0)

Codeforces Round #369 (Div. 2) A. Bus to Udayland【字符串/二维字符数组求连起来的座位并改为其他字符】

摘要：A. Bus to Udayland time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Bus to Udayland ti 阅读全文

posted @ 2017-12-02 10:00 Roni_i 阅读(207) 评论(0) 推荐(0)

Codeforces Round #289 (Div. 2, ACM ICPC Rules) A. Maximum in Table【递推】

摘要：A. Maximum in Table time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An n × n table a is 阅读全文

posted @ 2017-12-01 21:48 Roni_i 阅读(162) 评论(0) 推荐(0)

Codeforces Round #191 (Div. 2) A. Flipping Game【*枚举/DP/每次操作可将区间[i,j](1=<i<=j<=n)内牌的状态翻转（即0变1,1变0），求一次翻转操作后，1的个数尽量多】

摘要：A. Flipping Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Iahub got bored, so he i 阅读全文

posted @ 2017-12-01 21:10 Roni_i 阅读(269) 评论(0) 推荐(0)

Codeforces Round #377 (Div. 2) A. Buy a Shovel【暴力/口袋里面有无限枚 10 元和一枚 r 面值的硬币，问最少可以买多少把价值为 k 的铁铲】

摘要：A. Buy a Shovel time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Buy a Shovel time limi 阅读全文

posted @ 2017-12-01 16:08 Roni_i 阅读(162) 评论(0) 推荐(0)

Good Bye 2016 A. New Year and Hurry【贪心/做题目每道题花费时间按步长为5等差增长，求剩余时间够做几道题】

摘要：A. New Year and Hurry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. New Year and Hur 阅读全文

posted @ 2017-12-01 14:32 Roni_i 阅读(237) 评论(0) 推荐(0)

Codeforces Round #109 (Div. 2) A. I_love_%username%【打擂台算法/满足当前数字在已经出现的数字的最大值和最小值之间的个数】

摘要：A. I_love_%username% time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Vasya adores sport 阅读全文

posted @ 2017-12-01 11:44 Roni_i 阅读(402) 评论(0) 推荐(0)

Codeforces Beta Round #25 (Div. 2 Only) A. IQ test【双标记/求给定数中唯一的奇数或偶数】

摘要：A. IQ test time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. IQ test time limit per tes 阅读全文

posted @ 2017-12-01 10:49 Roni_i 阅读(235) 评论(0) 推荐(0)

Codeforces Round #164 (Div. 2) A. Games【暴力/模拟/每个球队分主场和客场，所有球队两两之间进行一场比赛，要求双方球服颜色不能相同】

摘要：A. Games time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Manao works on a sports TV. He's 阅读全文

posted @ 2017-11-30 21:01 Roni_i 阅读(380) 评论(0) 推荐(0)

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随笔分类 - OJ-codeforces

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