String Algorithms Core

String Algorithms Core practice track with progression from fundamentals to advanced checkpoints.

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Solve them in order for the best learning progression.

#	Problem	Rating	Source	Action
1	Vitaliy and Pie	1100	Codeforces 525A	Solve
2	Remove Two Letters	1200	Codeforces 1800D	Solve
3	Reverse String	1300	Codeforces 1553B	Solve
4	Needle in a Haystack	1200	Codeforces 2174A	Solve
5	D. Friend Suggestions	1208 (AC)	AtCoder abc157	Solve
6	Prefix-Suffix Palindrome (Easy version)	1500	Codeforces 1326D1	Solve
7	String Equality	1400	Codeforces 1451C	Solve
8	Alphabet City	1300	Codeforces 2181A	Solve
9	E. Sinking Land	1307 (AC)	AtCoder abc363	Solve
10	Erase and Extend (Easy Version)	1600	Codeforces 1537E1	Solve
11	Spelling Check	1500	Codeforces 39J	Solve
12	Monocarp's String	1300	Codeforces 2145C	Solve
13	Saraga	1400	Codeforces 2045C	Solve
14	E. 3 Team Division	1424 (AC)	AtCoder abc375	Solve
15	Message Transmission Error (hard version)	1700	Codeforces 2010C2	Solve
16	Password	1700	Codeforces 126B	Solve
17	Binary String Copying	1600	Codeforces 1849C	Solve
18	D. Candidates of No Shortest Paths	1566 (AC)	AtCoder abc051	Solve
19	Camp Schedule	1600	Codeforces 1137B	Solve
20	Prefix-Suffix Palindrome (Hard version)	1800	Codeforces 1326D2	Solve
21	Spy-string	1700	Codeforces 1360F	Solve
22	C. Catastrophic Roulette	1706 (AC)	AtCoder arc174	Solve
23	Equivalent Strings	1700	Codeforces 559B	Solve
24	Division + LCP (easy version)	1900	Codeforces 1968G1	Solve
25	Spy Syndrome 2	1900	Codeforces 633C	Solve
26	A. Pay to Win	1828 (AC)	AtCoder agc044	Solve
27	Tavas and Malekas	1900	Codeforces 535D	Solve
28	''a'' String Problem	2000	Codeforces 1984D	Solve
29	Compress Words	2000	Codeforces 1200E	Solve
30	F. Silver Woods	2009 (AC)	AtCoder abc181	Solve
31	Messenger	2100	Codeforces 631D	Solve