Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x251
173C	Spiral Maximum brute force, dp	1900	x989
173B	Chamber of Secrets dfs and similar, shortest paths	1800	x3178
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x271
171H	A polyline *special problem, implementation	1700	x282
171G	Mysterious numbers - 2 *special problem	1600	x933
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1286
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1466
171C	A Piece of Cake *special problem, implementation	2000	x1095
168B	Wizards and Minimal Spell implementation, strings	1700	x1223
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x580
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x197
167C	Wizards and Numbers games, math	2300	x675
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2170
167A	Wizards and Trolleybuses implementation, math	1600	x2044
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x364
166B	Polygons geometry, sortings	2100	x2493
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x7008
165D	Beard Graph data structures, dsu, trees	2100	x1676
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x12384
164E	Polycarpus and Tasks	3100	x67
164D	Minimum Diameter binary search, brute force	3100	x244
164C	Machine Programming flows, graphs	2400	x902
164B	Ancient Berland Hieroglyphs two pointers	2000	x472
164A	Variable, or There and Back Again dfs and similar, graphs	1700	x1018
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x1736
163D	Large Refrigerator brute force	2900	x508
163C	Conveyor sortings, two pointers	2100	x558
163B	Lemmings binary search	2000	x1067
163A	Substring and Subsequence dp	1700	x2717
162J	Brackets *special problem	1800	x96
162I	Truncatable primes *special problem	2000	x77
162H	Alternating case *special problem	1800	x220
162G	Non-decimal sum *special problem	2000	x65
162F	Factorial zeros *special problem	1800	x202
162E	HQ9+ *special problem	1800	x178
162D	Remove digits *special problem	1900	x228
162C	Prime factorization *special problem	1800	x825
162B	Binary notation *special problem	1800	x313
161E	Polycarpus the Safecracker brute force, dp	2500	x469
161D	Distance in Tree dfs and similar, dp, trees	1800	x15184
161C	Abracadabra divide and conquer	2400	x653
161B	Discounts constructive algorithms, greedy, sortings	1700	x1960
160E	Buses and People binary search, data structures, sortings	2400	x593
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2797
160C	Find Pair implementation, math, sortings	1700	x3458
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1002
158E	Phone Talks *special problem, dp, sortings	1900	x1463
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x163
156D	Clues combinatorics, graphs	2500	x1602
156C	Cipher combinatorics, dp	2000	x2432
156B	Suspects constructive algorithms, data structures, implementation	1600	x2234
156A	Message brute force	1700	x3046
154E	Martian Colony geometry	3000	x97
154D	Flatland Fencing games, math	2400	x433
154C	Double Profiles graphs, hashing, sortings	2300	x2875
154B	Colliders math, number theory	1600	x4772
154A	Hometask greedy	1600	x4066
153E	Euclidean Distance *special problem	2100	x80
153D	Date Change *special problem	2000	x83
153C	Caesar Cipher *special problem	2200	x391
153B	Binary notation *special problem	1800	x157
153A	A + B *special problem	1600	x822
152E	Garden bitmasks, dp, graphs, trees	2500	x487
152D	Frames brute force	2600	x244
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x870
150D	Mission Impassable dp, strings	2600	x627
150C	Smart Cheater data structures, math, probabilities	2200	x644
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4225
149E	Martian Strings string suffix structures, strings	2300	x2294
149D	Coloring Brackets dp	1900	x3918
149B	Martian Clock implementation	1600	x2264
148E	Porcelain dp	1900	x4096
148D	Bag of mice dp, games, math, probabilities	1800	x7352
148C	Terse princess constructive algorithms, greedy	1700	x3149
147B	Smile House binary search, graphs, matrices	2500	x793
145E	Lucky Queries data structures	2400	x3210
145D	Lucky Pair combinatorics, data structures, implementation	2900	x244
145C	Lucky Subsequence combinatorics, dp, math	2100	x1912
145B	Lucky Number 2 constructive algorithms	1800	x2222
144E	Competition data structures, greedy	2200	x592
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x4040
142E	Help Greg the Dwarf 2 geometry	3000	x81
142D	Help Shrek and Donkey 2 games	2600	x348
142C	Help Caretaker brute force, dp	2300	x932
142B	Help General constructive algorithms, greedy, implementation	1800	x2221
142A	Help Farmer brute force, math	1600	x2633
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x1103
141D	Take-off Ramps graphs, shortest paths	2300	x904
141C	Queue constructive algorithms, greedy, sortings	1800	x2472
140F	New Year Snowflake geometry, sortings	2600	x370
140E	New Year Garland combinatorics, dp	2600	x948
140D	New Year Contest greedy, sortings	1800	x2217
140C	New Year Snowmen binary search, data structures, greedy	1800	x4390
140B	New Year Cards brute force, greedy, implementation	1800	x1683
140A	New Year Table geometry, math	1700	x4161
139B	Wallpaper implementation, math	1600	x1311
138E	Hellish Constraints brute force, dp, two pointers	2900	x174
138D	World of Darkraft dp, games	2500	x497
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x871