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Codeforces Round #444 (Div. 2)-ABC
http://codeforces.com/contest/887/problem/B A 给定一个二进制数，问可否去掉一些数字，...
Codeforces Round #444 (Div. 2)-贪心&尺取-Ratings and Reality Shows
http://codeforces.com/contest/887/problem/D 一个模特有两种活动。 ① 拍照片，挣钱 a。...
Codeforces Round #443 (Div. 2) A-C 题解
好久不写博客，把最近的cf题解补回来。 A. Borya's Diagnosis time limit per test 2 ...
Codeforces Round #444 (Div. 2) A-C 题解
A. Div. 64 time limit per test 1 second memory limit per test 256 megabytes input st...
Codeforces Round #446 (Div. 2) B. Wrath(线段树，RMQ，区间最值)
Description Hands that shed innocent blood! There are n guilty people in a line, the...
Codeforces Round #447 (Div. 2) C. Marco and GCD Sequence(构造，思路)
Description In a dream Marco met an elderly man with a pair of black glasses. The ma...
Codeforces Round #447 (Div. 2) B. Ralph And His Magic Field(数论，组合数学)
Description Ralph has a magic field which is divided into n × m blocks. That is t...
Codeforces Round #447 (Div. 2) A－C题解
作对一个题还涨分，我这分数是有多低，B题明知道爆表还不会改，难受。 A. QAQ time limit ...
Educational Codeforces Round 33 (Rated for Div. 2) A-C题解
靠着写CF的题解艰难维持博客浏览量，不过涨分了还是蛮高兴的。最后一秒过C题也是相当刺激。...
Codeforces#449 (Div. 2)C 字符串递归处理
题目地址：http://codeforces.com/contest/897/problem/C C. Nephren gives a riddle time...
Codeforces Round #449 (Div. 2) A-C题解
又一次涨分，虽然上次也在涨分，但没心情写博客，就做出一个题，补题体验感也不好，这次C题...
Codeforces Round #450 (Div. 2) C. Remove Extra One 暴力
http://codeforces.com/contest/900/problem/C 题意： 给出一个长度为n的1-n的全排列，一个...
Codeforece Educational Codeforces Round 34 (Rated for Div. 2) (A-D)题解
A： A. Hungry Student Problem time limit per test 1 second memory limit per test 256...
Codeforces Round #450 (Div. 2) A-C题解
继续涨分，希望下次蓝名。 A. Find Extra One time limit per test 1 second memory limit...
Codeforces Round #450 (Div. 2)
http://codeforces.com/contest/900 好菜的说qwq A 给定一些点，问可否去掉一个点是，使这...
Codeforces Round #452 (Div. 2) A-C题解
哎............ A. Splitting in Teams time limit per test 1 second memory limit per t...
codeforces Div.2 899B Months and Years
大意： 判断一个连续的月份数组是否正确 思路： 没被hack，挂了（惨） 没有考虑完全，需要...
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