Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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Problems

#	Name
494B	Obsessive String dp, strings	2000	x2770
494A	Treasure greedy	1500	x6303
493E	Vasya and Polynomial math	2800	x491
493D	Vasya and Chess constructive algorithms, games, math	1700	x9764
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6878
493B	Vasya and Wrestling implementation	1400	x13446
493A	Vasya and Football implementation	1300	x6145
492E	Vanya and Field math	2000	x1652
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3190
492C	Vanya and Exams greedy, sortings	1400	x14313
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x78009
492A	Vanya and Cubes implementation	800	x52543
491C	Deciphering flows, graph matchings	2300	x422
491B	New York Hotel greedy, math	2100	x574
491A	Up the hill constructive algorithms, implementation	1000	x2986
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1752
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1616
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2165
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9143
490B	Queue dsu, implementation	1500	x6087
490A	Team Olympiad greedy, implementation, sortings	800	x61080
489F	Special Matrices combinatorics, dp	2100	x1703
489E	Hiking binary search, dp	2300	x1042
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6733
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x47128
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x50178
489A	SwapSort greedy, implementation, sortings	1200	x10151
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2128
488A	Giga Tower brute force	1100	x14408
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2436
487D	Conveyor Belts data structures	2700	x912
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2830
487B	Strip binary search, data structures, dp, two pointers	2000	x3599
487A	Fight the Monster binary search, brute force, implementation	1800	x3780
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2322
486D	Valid Sets dfs and similar, dp, math, trees	2100	x4097
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11834
486B	OR in Matrix greedy, hashing, implementation	1300	x18018
486A	Calculating Function implementation, math	800	x124663
485B	Valuable Resources brute force, greedy	1300	x6555
485A	Factory implementation, math, matrices	1400	x8380
484E	Sign on Fence binary search, constructive algorithms, data structures	2500	x2410
484D	Kindergarten data structures, dp, greedy	2400	x2703
484C	Strange Sorting implementation, math	2600	x597
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7141
484A	Bits bitmasks, constructive algorithms	1700	x11661
483B	Friends and Presents binary search, math	1800	x4112
483A	Counterexample brute force, implementation, math, number theory	1100	x23458
482E	ELCA data structures, trees	3200	x179
482D	Random Function and Tree combinatorics, dp, trees	2700	x543
482C	Game with Strings bitmasks, dp, probabilities	2600	x952
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6673
482A	Diverse Permutation constructive algorithms, greedy	1200	x9741
480E	Parking Lot data structures, divide and conquer	2800	x575
480D	Parcels dp, graphs	2600	x461
479E	Riding in a Lift combinatorics, dp	1900	x5211
479D	Long Jumps binary search, greedy, implementation	1700	x4854
479C	Exams greedy, sortings	1400	x30219
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7966
479A	Expression brute force, math	1000	x97292
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x221
478D	Red-Green Towers dp	2000	x6157
478C	Table Decorations greedy	1800	x18621
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x37344
478A	Initial Bet implementation	1100	x25949
477E	Dreamoon and Notepad data structures	3100	x135
477D	Dreamoon and Binary dp, strings	2700	x532
476E	Dreamoon and Strings dp, strings	2200	x1991
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4723
476C	Dreamoon and Sums math	1600	x5769
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x31702
476A	Dreamoon and Stairs implementation, math	1000	x45185
475F	Meta-universe data structures	2900	x234
475E	Strongly Connected City 2 dfs and similar	2700	x418
475D	CGCDSSQ brute force, data structures, math	2000	x5117
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x790
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8626
475A	Bayan Bus implementation	1100	x4790
474F	Ant colony data structures, math, number theory	2100	x9104
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3489
474D	Flowers dp	1700	x26206
474C	Captain Marmot brute force, geometry	2000	x3162
474B	Worms binary search, implementation	1200	x50765
474A	Keyboard implementation	900	x46954
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x412
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x259
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x132
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5568
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6379
472B	Design Tutorial: Learn from Life	1300	x7463
472A	Design Tutorial: Learn from Math math, number theory	800	x61977
471E	MUH and Lots and Lots of Segments data structures, dsu	2700	x83
471D	MUH and Cube Walls string suffix structures, strings	1800	x8567
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3588
471B	MUH and Important Things implementation, sortings	1300	x5974
471A	MUH and Sticks implementation	1100	x13464
470H	Array Sorting *special problem	2300	x190
470G	Hamming Distance *special problem	2300	x95
470F	Pairwise Sums *special problem	2300	x106
470E	Chessboard *special problem	1900	x200