Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
25:25:28
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Codeforces Round 941 (Div. 2)
25:25:27
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Problems

#	Name
1829G	Hits Different data structures, dp, implementation, math	1600	x9323
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24047
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1132
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1755
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3644
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1493
1826D	Running Miles brute force, dp, greedy	1700	x8481
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1240
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x766
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1189
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5531
1821F	Timber combinatorics, dp, fft, math	2600	x700
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2230
1819F	Willy-nilly, Crack, Into Release! data structures, dp	3500	x126
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x593
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1385
1815E	Bosco and Particle dp, math, number theory, strings	3100	x323
1815D	XOR Counting bitmasks, combinatorics, dp, math	2600	x1028
1814E	Chain Chips data structures, dp, matrices	2300	x1232
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1608
1811G1	Vlad and the Nice Paths (easy version) combinatorics, dp, math	2100	x1900
1811E	Living Sequence binary search, dp, math, number theory	1500	x11494
1810G	The Maximum Prefix dp	3200	x629
1809G	Prediction combinatorics, dp, math	2800	x410
1809E	Two Tanks binary search, dp, implementation, math	2400	x789
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x414
1808E2	Minibuses on Venus (medium version) combinatorics, divide and conquer, dp, matrices	2500	x642
1808E1	Minibuses on Venus (easy version) combinatorics, divide and conquer, dp	2200	x1244
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3560
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17593
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17776
1806D	DSU Master combinatorics, dp, dsu, math	2500	x839
1805E	There Should Be a Lot of Maximums brute force, data structures, dfs and similar, dp, trees, two pointers	2300	x1519
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6015
1804H	Code Lock bitmasks, dp	3300	x168
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1354
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4409
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x544
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2031
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3197
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x270
1799G	Count Voting combinatorics, dp, math	2600	x696
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x765
1799D2	Hot Start Up (hard version) data structures, dp	2100	x2251
1799D1	Hot Start Up (easy version) dp	1900	x4038
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x467
1798E	Multitest Generator brute force, dp	2300	x1494
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3683
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x685
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x3856
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x1906
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1003
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3334
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x923
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5734
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x372
1792F1	Graph Coloring (easy version) combinatorics, dp, graphs	2700	x664
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1300
1791E	Negatives and Positives dp, greedy, sortings	1100	x25399
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x511
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x756
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8026
1788E	Sum Over Zero data structures, dfs and similar, dp	2200	x2459
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x197
1787C	Remove the Bracket dp, greedy, math	1600	x6677
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x300
1784D	Wooden Spoon combinatorics, dp	2400	x948
1783D	Different Arrays brute force, dp, implementation	2000	x4154
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x728
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1367
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1214
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7456
1778F	Maximizing Root dfs and similar, dp, graphs, math, number theory, trees	2600	x595
1778D	Flexible String Revisit combinatorics, dp, math, probabilities	2100	x2531
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3199
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x340
1776K	Uniform Chemistry dp, math	3200	x64
1776E	Crossing the Railways data structures, dp	3500	x61
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1238
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x736
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x363
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3303
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11529
1773L	Lisa's Sequences dp	3500	x28
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x319
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x657
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2587
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12757
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x599
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1291
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x367
1769C2	Подкрутка II *special problem, dp	1300	x910
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x927
1768F	Wonderful Jump dp, greedy	2900	x780
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x830
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9380
1767C	Count Binary Strings data structures, dp	2100	x2493
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1123
1766C	Hamiltonian Wall dp, implementation	1300	x13047
1765F	Chemistry Lab dp, geometry, probabilities	2200	x586