Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
10:22:34
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Problems

#	Name
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12986
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4451
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x19271
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x373
1845E	Boxes and Balls dp, implementation, math	2500	x1337
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7912
1845C	Strong Password binary search, dp, greedy, strings	1400	x14420
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x139
1844C	Particles dp, greedy, implementation, math	1300	x15804
1843F2	Omsk Metro (hard version) data structures, dfs and similar, divide and conquer, dp, math, trees	2300	x1633
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5373
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x18272
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x121
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x683
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x1074
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1635
1842C	Tenzing and Balls dp	1500	x13003
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7898
1840F	Railguns brute force, dfs and similar, dp, graphs	2200	x1838
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1229
1839D	Ball Sorting data structures, dp, sortings	2100	x2363
1838E	Count Supersequences combinatorics, dp, math	2500	x1494
1835E	Old Mobile combinatorics, dp, probabilities	3500	x229
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x5444
1832F	Zombies binary search, dp	3200	x279
1832E	Combinatorics Problem brute force, combinatorics, dp	2200	x2191
1830F	The Third Grace data structures, dp	3200	x262
1830D	Mex Tree brute force, dp, trees	2800	x701
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x13785
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7884
1829G	Hits Different data structures, dp, implementation, math	1600	x10628
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x26761
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1232
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1894
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3912
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1622
1826D	Running Miles brute force, dp, greedy	1700	x10078
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1416
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x892
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1259
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x6253
1821F	Timber combinatorics, dp, fft, math	2600	x761
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2395
1819F	Willy-nilly, Crack, Into Release! data structures, dp	3500	x133
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x673
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1489
1815E	Bosco and Particle dp, math, number theory, strings	3100	x349
1815D	XOR Counting bitmasks, combinatorics, dp, math	2600	x1185
1814E	Chain Chips data structures, dp, matrices	2300	x1371
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1789
1811G1	Vlad and the Nice Paths (easy version) combinatorics, dp, math	2100	x2097
1811E	Living Sequence binary search, dp, math, number theory	1500	x12476
1810G	The Maximum Prefix dp	3200	x723
1809G	Prediction combinatorics, dp, math	2800	x448
1809E	Two Tanks binary search, dp, implementation, math	2400	x850
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x445
1808E2	Minibuses on Venus (medium version) combinatorics, divide and conquer, dp, matrices	2500	x696
1808E1	Minibuses on Venus (easy version) combinatorics, divide and conquer, dp	2200	x1347
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3841
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x19647
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x19252
1806D	DSU Master combinatorics, dp, dsu, math	2500	x936
1805E	There Should Be a Lot of Maximums brute force, data structures, dfs and similar, dp, trees, two pointers	2300	x1629
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6646
1804H	Code Lock bitmasks, dp	3300	x190
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1474
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4683
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x598
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2268
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3498
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x283
1799G	Count Voting combinatorics, dp, math	2600	x791
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x848
1799D2	Hot Start Up (hard version) data structures, dp	2100	x2523
1799D1	Hot Start Up (easy version) dp	1900	x4570
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x502
1798E	Multitest Generator brute force, dp	2300	x1625
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x4003
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x768
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x4409
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x2059
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1108
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3619
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x1096
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x6260
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x393
1792F1	Graph Coloring (easy version) combinatorics, dp, graphs	2700	x726
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1390
1791E	Negatives and Positives dp, greedy, sortings	1100	x28976
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x722
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x822
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8641
1788E	Sum Over Zero data structures, dfs and similar, dp	2200	x2715
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x236
1787C	Remove the Bracket dp, greedy, math	1600	x7148
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x343
1784D	Wooden Spoon combinatorics, dp	2400	x1033
1783D	Different Arrays brute force, dp, implementation	2000	x4487
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x907
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1503