Problemset - Codeforces

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Problems

#	Name
44I	Toys brute force, combinatorics	2300	x185
1910E	Maximum Sum Subarrays *special problem, dp	2100	x184
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x184
1116C2	``Is the bit string periodic?'' oracle		x184
391C1	The Tournament brute force		x184
105E	Lift and Throw brute force	2500	x184
1995E1	Let Me Teach You a Lesson (Easy Version) data structures, dp, matrices, two pointers		x182
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x182
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x182
1116C3	``Is the number of ones divisible by 3?'' oracle		x182
958E3	Guard Duty (hard) geometry	2700	x182
98D	Help Monks constructive algorithms	2500	x182
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x181
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x181
1357A7	Distinguish Y, XZ, -Y and -XZ		x181
207B2	Military Trainings	1900	x181
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x180
859F	Ordering T-Shirts greedy	2800	x180
86E	Long sequence brute force, math, matrices	2700	x180
374E	Inna and Babies binary search, data structures, dsu, geometry, implementation	2600	x179
64F	Domain *special problem, expression parsing	2000	x179
45H	Road Problem graphs	2100	x179
1329E	Dreamoon Loves AA binary search, greedy	3300	x178
1116A2	Generate equal superposition of four basis states		x178
177G2	Fibonacci Strings matrices, strings	2600	x178
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x177
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x177
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x177
741E	Arpa’s abnormal DNA and Mehrdad’s deep interest data structures, string suffix structures	3400	x177
162E	HQ9+ *special problem	1800	x177
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x176
1764H	Doremy's Paint 2 data structures	3400	x176
1045E	Ancient civilizations constructive algorithms, geometry	3200	x176
796F	Sequence Recovery bitmasks, data structures, greedy	2800	x176
774G	Perfectionist Arkadiy *special problem, number theory	2700	x176
482E	ELCA data structures, trees	3200	x176
392E	Deleting Substrings		x176
1967E1	Again Counting Arrays (Easy Version) combinatorics, dp, fft, math	3100	x175
1621H	Trains and Airplanes dfs and similar, graphs, shortest paths, trees	3500	x175
1585G	Poachers dp, games, graphs, trees	2500	x175
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x175
1958F	Narrow Paths *special problem, combinatorics	2000	x174
1804H	Code Lock bitmasks, dp	3300	x174
1784F	Minimums or Medians	3400	x174
1488F	Dogecoin special problem, special problem, binary search, data structures	2300	x174
309D	Tennis Rackets brute force, geometry	2700	x174
1250D	Conference Problem dp	3000	x173
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x173
1218C	Jumping Transformers dp	2600	x173
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x173
1938B	Attraction Score	3000	x172
1910F	Build Railway Stations *special problem, greedy, trees	2000	x172
1672I	PermutationForces data structures, greedy	3000	x172
1601F	Two Sorts binary search, dfs and similar, math, meet-in-the-middle	3400	x172
1408I	Bitwise Magic dp, math	3200	x172
442E	Gena and Second Distance geometry	3100	x172
391F1	Stock Trading dp		x172
1983G	Your Loss bitmasks, brute force, dp, trees	3000	x171
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x171
138E	Hellish Constraints brute force, dp, two pointers	2900	x171
1970D2	Arithmancy (Medium) constructive algorithms, interactive, probabilities, strings	2600	x170
1796F	Strange Triples brute force, math, number theory	2900	x170
372E	Drawing Circles is Fun combinatorics, geometry	3000	x170
177G1	Fibonacci Strings strings	2400	x170
1434E	A Convex Game dsu, games	3500	x169
1284G	Seollal graphs	3300	x169
1045J	Moonwalk challenge data structures, strings, trees	2600	x169
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x169
1906C	Cursed Game interactive	3000	x168
401E	Olympic Games math	2500	x168
1145G	AI Takeover interactive		x167
1116D4	TIE fighter		x167
329E	Evil math	3100	x167
130I	Array sorting *special problem, sortings	2300	x167
1357A6	Distinguish four Pauli gates		x166
391C3	The Tournament		x166
316F1	Suns and Rays dfs and similar, implementation	2200	x165
924F	Minimal Subset Difference dp	3200	x164
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x164
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x164
1886F	Diamond Theft data structures, greedy	3300	x163
887F	Row of Models greedy, sortings	2500	x163
887E	Little Brother binary search, geometry, sortings	2800	x163
725G	Messages on a Tree	3300	x163
207B3	Military Trainings	1700	x163
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x162
1758F	Decent Division constructive algorithms, data structures	3000	x162
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x162
1246F	Cursor Distance	3500	x161
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x161
267C	Berland Traffic math, matrices	2700	x160
1906G	Grid Game 2 games, number theory	2900	x159
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x159
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x159
1575C	Cyclic Sum data structures, fft, number theory	3000	x159
1210G	Mateusz and Escape Room dp	3500	x159
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x158
756E	Byteland coins combinatorics, dp, math	3200	x158
594E	Cutting the Line string suffix structures, strings	3100	x158
500G	New Year Running number theory, trees	3200	x157