【Codeforces Round #575 (Div. 3) 】 RGB Substring (hard version) ( FFT) - Code World

【Codeforces Round #575 (Div. 3) 】 RGB Substring (hard version) ( FFT)

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Origin www.cnblogs.com/zhangbuang/p/11242098.html

【Codeforces Round #575 (Div. 3) 】 RGB Substring (hard version) ( FFT)

Codeforces Round #575 (Div. 3) D2 - RGB Substring (hard version)

Codeforces Round #575 (Div. 3) D2. RGB Substring (hard version)

Codeforces Round # 575 (Div. 3) D1 + D2. RGB Substring (easy version) D2. RGB Substring (hard version) (thinking, enumeration, and prefix)

Codeforces Round #575 (Div. 3) D1. RGB Substring (easy version)

D2. RGB Substring (hard version) （ Codeforces Round #575 ）

Codeforces Round #575 (Div. 3)

Double pointer (largest Delete substring) Codeforces Round # 579 (Div 3.) - Remove the Substring (hard version)

Codeforces Round #575 (Div. 3) B - Odd Sum Segments

Codeforces Round #575 (Div. 3) C - Robot Breakout

Codeforces Round #575 (Div. 3) E - Connected Component on a Chessboard

Codeforces Round #575 (Div. 3) A B C

Codeforces Round #575 (Div. 3) A - Three Piles of Candies

Codeforces Round #590 (Div. 3) B2. Social Network (hard version)

Codeforces Round #690 (Div. 3) E2 Close Tuples (hard version)

Codeforces Round #690 (Div. 3) E2. Close Tuples (hard version) Lucas combination number inverse element

Codeforces Round # 575 (Div. 3) B. Odd Sum Segments (construction, mathematics)

Codeforces Round # 575 (Div. 3) C. Robot Breakout (analog, implemented)

Codeforces Round #575 (Div. 3) （A. Three Piles of Candies）（数学）

Codeforces Round # 575 (Div. 3) E. Connected Component on a Chessboard (thinking, configuration)

D2 Equalizing by Division (hard version) &&D1 Equalizing by Division (easy version) (easy version)（Codeforces Round #582 (Div. 3)）

Codeforces Round #602 (Div. 2, based on Technocup 2020 Elimination Round 3) F2. Wrong Answer on test 233 (Hard Version) dp 数学

Codeforces Round # 602 (Div. 2, based on Technocup 2020 Elimination Round 3) D2. Optimal Subsequences (Hard Version) data structure greedy

Codeforces Round #596 (Div. 2)B2. TV Subscriptions(Hard Version)

Codeforces Round #610 (Div. 2) B2. K for the Price of One (Hard Version) （DP）

Codeforces Round #599 (Div. 2) B2. Character Swap (Hard Version) 构造

Codeforces Round #726 (Div. 2) E.Erase and Extend (Hard Version)

【Codeforces Round 859 (Div. 4)】G2. Subsequence Addition (Hard Version)题解

D2. Dances (Hard Version) Codeforces Round 905 (Div. 2)

Codeforces Round #617 (Div. 3) E1String Coloring (easy vers&&E2. String Coloring (hard version)（贪心）

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