Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
520C	DNA Alignment math, strings	1500	x4123
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x49585
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6323
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19490
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6871
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x5955
518B	Tanya and Postcard greedy, implementation, strings	1400	x7893
518A	Vitaly and Strings constructive algorithms, strings	1600	x9170
515C	Drazil and Factorial greedy, math, sortings	1400	x25487
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1300	x7402
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20517
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1772
513B2	Permutations bitmasks, divide and conquer, math	1800	x2576
513B1	Permutations brute force	1400	x3591
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5301
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15701
510B	Fox And Two Dots dfs and similar	1500	x13707
509B	Painting Pebbles constructive algorithms, greedy, implementation	1300	x9572
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4434
508B	Anton and currency you all know greedy, math, strings	1300	x22367
507C	Guess Your Way Out! implementation, math, trees	1700	x4311
507B	Amr and Pins geometry, math	1400	x24243
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6254
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12419
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5600
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3098
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5786
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8793
498A	Crazy Town geometry	1700	x6404
496D	Tennis Game binary search	1900	x2995
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7679
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5843
495B	Modular Equations math, number theory	1600	x6722
494A	Treasure greedy	1500	x6165
493D	Vasya and Chess constructive algorithms, games, math	1700	x9586
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6733
493B	Vasya and Wrestling implementation	1400	x13156
493A	Vasya and Football implementation	1300	x6061
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3138
492C	Vanya and Exams greedy, sortings	1400	x13863
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2116
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9000
490B	Queue dsu, implementation	1500	x5947
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6643
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x45424
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2094
487A	Fight the Monster binary search, brute force, implementation	1800	x3700
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11613
486B	OR in Matrix greedy, hashing, implementation	1300	x17287
485B	Valuable Resources brute force, greedy	1300	x6484
485A	Factory implementation, math, matrices	1400	x8163
484A	Bits bitmasks, constructive algorithms	1700	x11011
483B	Friends and Presents binary search, math	1800	x4020
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6313
479E	Riding in a Lift combinatorics, dp	1900	x5030
479D	Long Jumps binary search, greedy, implementation	1700	x4738
479C	Exams greedy, sortings	1400	x29114
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7809
478C	Table Decorations greedy	1800	x17818
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35949
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4448
476C	Dreamoon and Sums math	1600	x5492
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x29947
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8371
474D	Flowers dp	1700	x24597
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5190
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6343
472B	Design Tutorial: Learn from Life	1300	x7396
471D	MUH and Cube Walls string suffix structures, strings	1800	x7760
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3545
471B	MUH and Important Things implementation, sortings	1300	x5920
470E	Chessboard *special problem	1900	x196
470D	Caesar Cipher *special problem	1900	x151
470C	Eval *special problem	1900	x238
470B	Hexakosioihexekontahexaphobia *special problem	1800	x258
470A	Crystal Ball Sequence *special problem, implementation	1400	x671
469B	Chat Online implementation	1300	x12497
468A	24 Game constructive algorithms, greedy, math	1500	x7946
467C	George and Job dp, implementation	1700	x14367
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x35338
464A	No to Palindromes! greedy, strings	1700	x5841
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x6193
463C	Gargari and Bishops greedy, hashing, implementation	1900	x8652
462B	Appleman and Card Game greedy	1300	x14250
460C	Present binary search, data structures, greedy	1700	x6130
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12224
459E	Pashmak and Graph dp, sortings	1900	x5325
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9832
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6138
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x39468
457B	Distributed Join greedy	1900	x1128
457A	Golden System math, meet-in-the-middle	1700	x1267
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5800
455A	Boredom dp	1500	x56239
453A	Little Pony and Expected Maximum probabilities	1600	x10219
452D	Washer, Dryer, Folder greedy, implementation	1900	x1483
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1988
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3315
451B	Sort the Array implementation, sortings	1300	x44317
450B	Jzzhu and Sequences implementation, math	1300	x25826