Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x84
958D2	Hyperspace Jump (hard)	2700	x84
901E	Cyclic Cipher fft, math	3300	x84
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x84
64I	Sort the Table *special problem, sortings	2400	x84
1906D	Spaceship Exploration binary search, geometry	2800	x85
1677F	Tokitsukaze and Gems dp, math	3500	x85
1428H	Rotary Laser Lock binary search, interactive	3500	x85
28E	DravDe saves the world geometry, math	2800	x85
1781H2	Window Signals (hard version)	3500	x86
1609H	Pushing Robots	3500	x86
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x86
1078E	Negative Time Summation constructive algorithms	3400	x86
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x87
1190F	Tokitsukaze and Powers number theory, probabilities	3400	x87
730F	Ber Patio	3100	x87
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x88
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x88
1322F	Assigning Fares dp, trees	3500	x88
1090H	Linearization graphs	2900	x88
641G	Little Artem and Graph	2300	x88
398E	Sorting Permutations		x88
162J	Brackets *special problem	1800	x88
154E	Martian Colony geometry	3000	x88
756F	Long number expression parsing, math, number theory	3400	x89
1302D	Dijkstra		x90
1071E	Rain Protection binary search, geometry	3500	x90
955E	Icicles	2900	x90
690B3	Recover Polygon (hard) data structures	2600	x90
470G	Hamming Distance *special problem	2300	x90
1667F	Yin Yang implementation	3500	x91
1275F	Шардирование постов *special problem, binary search, interactive		x91
187E	Heaven Tour data structures, greedy	2900	x91
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x92
1045F	Shady Lady geometry, math	3400	x92
1936E	Yet Yet Another Permutation Problem divide and conquer, fft, math	3400	x93
1656I	Neighbour Ordering constructive algorithms, graphs	3500	x93
730K	Roads Orientation Problem graphs	3200	x93
207D7	The Beaver's Problem - 3	1600	x93
119E	Alternative Reality geometry	2400	x93
1641F	Covering Circle geometry	3500	x94
925F	Parametric Circulation binary search, flows	3100	x94
89E	Fire and Ice greedy	2900	x94
1773J	Jumbled Trees constructive algorithms, math	2900	x95
1761G	Centroid Guess interactive, probabilities, trees	3500	x95
1510H	Hard Optimization dp	3200	x95
683H	Exchange of Books *special problem	1900	x95
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x96
470F	Pairwise Sums *special problem	2300	x96
128E	Birthday geometry, math	2900	x96
1852F	Panda Meetups data structures, dp, flows	3500	x97
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x97
1081H	Palindromic Magic data structures, hashing, strings	3500	x97
720C	Homework constructive algorithms	3100	x97
530F	Jumping frogs *special problem	2100	x97
1540E	Tasty Dishes math, matrices	3500	x98
1089D	Distance Sum graphs	3100	x98
109E	Lucky Interval brute force, math	2700	x98
1666A	Admissible Map	3300	x99
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x99
207C1	Game with Two Trees	2100	x99
1381E	Origami geometry, math, sortings	3300	x100
774I	Composing Of String *special problem, dp	2300	x100
198D	Cube Snake constructive algorithms	2700	x100
1423I	Lookup Tables bitmasks	3000	x101
1357D3	Quantum Classification - Dataset 5		x101
1267H	Help BerLine constructive algorithms	3200	x101
856F	To Play or not to Play greedy	3000	x101
207D2	The Beaver's Problem - 3	2000	x101
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x102
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x102
1648F	Two Avenues data structures, dfs and similar, graphs	3500	x102
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x102
1402B	Roads *special problem, geometry, sortings	2900	x102
1184D2	Parallel Universes (Hard) math, matrices	3100	x102
391F2	Stock Trading greedy		x102
1090G	Combostone games, implementation	2500	x103
649E	Автобус binary search, data structures, greedy, sortings	2100	x103
457F	An easy problem about trees dp, games, greedy, trees	3200	x103
185E	Soap Time! - 2 binary search, data structures	3000	x103
1912F	Fugitive Frenzy math, probabilities	3100	x104
1876F	Indefinite Clownfish binary search, graphs	3500	x104
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x104
774F	Pens And Days Of Week *special problem, binary search, number theory	2700	x104
391F3	Stock Trading		x104
1827F	Copium Permutation constructive algorithms, data structures, greedy	3500	x105
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3400	x105
1218A	BubbleReactor dp, graphs	2800	x106
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x107
1575F	Finding Expected Value math	2900	x107
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x107
799G	Cut the pie binary search, data structures, geometry	3500	x107
269E	String Theory geometry, math, strings	3100	x107
1737G	Ela Takes Dancing Class binary search, data structures	3500	x108
1621I	Two Sequences data structures, hashing, string suffix structures	3500	x108
1357D2	Quantum Classification - Dataset 4		x108
1305H	Kuroni the Private Tutor binary search, greedy	3500	x108
1218H	Function Composition dfs and similar	2900	x108
46G	Emperor's Problem geometry	2500	x108
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x109