Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 950 (Div. 3)
14:02:42
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1874G	Jellyfish and Inscryption dp	3500	x75
1874F	Jellyfish and OEIS dp	3500	x160
1874E	Jellyfish and Hack dp, math	3000	x275
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x658
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1522
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1075
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2226
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x74
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1093
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2293
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x698
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x415
1866J	Jackets and Packets dp	2800	x271
1866I	Imagination Castle dp, games, two pointers	2300	x681
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1535
1866E	Elevators of Tamem dp	2700	x279
1866D	Digital Wallet dp, greedy	2300	x1209
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x2887
1864H	Asterism Stream dp, math, matrices	3200	x273
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x71
1863H	Goldberg Machine 3 dp, trees	3500	x73
1863G	Swaps combinatorics, dp, graphs, math	2800	x578
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1044
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2640
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5769
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1633
1861D	Sorting By Multiplication dp, greedy	1800	x6350
1860D	Balanced String dp	2200	x2818
1859E	Maximum Monogonosity brute force, dp, math	2500	x1679
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6609
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2720
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1321
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4963
1854F	Mark and Spaceship brute force, dp	3500	x115
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x386
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1412
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3374
1852F	Panda Meetups data structures, dp, flows	3500	x100
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x432
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1471
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1533
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1466
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4108
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x356
1845E	Boxes and Balls dp, implementation, math	2500	x1280
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7396
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x133
1843F2	Omsk Metro (hard version) data structures, dfs and similar, divide and conquer, dp, math, trees	2300	x1488
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5030
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x109
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x569
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x943
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1551
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7375
1840F	Railguns brute force, dfs and similar, dp, graphs	2200	x1721
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1167
1839D	Ball Sorting data structures, dp, sortings	2100	x2195
1838E	Count Supersequences combinatorics, dp, math	2500	x1382
1835E	Old Mobile combinatorics, dp, probabilities	3500	x204
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4993
1832F	Zombies binary search, dp	3200	x254
1832E	Combinatorics Problem brute force, combinatorics, dp	2200	x2071
1830F	The Third Grace data structures, dp	3200	x228
1830D	Mex Tree brute force, dp, trees	2800	x608
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1156
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1785
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3695
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1518
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1268
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x797
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1202
1821F	Timber combinatorics, dp, fft, math	2600	x714
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2271
1819F	Willy-nilly, Crack, Into Release! data structures, dp	3500	x128
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x601
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1406
1815E	Bosco and Particle dp, math, number theory, strings	3100	x330
1815D	XOR Counting bitmasks, combinatorics, dp, math	2600	x1060
1814E	Chain Chips data structures, dp, matrices	2300	x1267
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1642
1811G1	Vlad and the Nice Paths (easy version) combinatorics, dp, math	2100	x1935
1810G	The Maximum Prefix dp	3200	x644
1809G	Prediction combinatorics, dp, math	2800	x422
1809E	Two Tanks binary search, dp, implementation, math	2400	x797
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x424
1808E2	Minibuses on Venus (medium version) combinatorics, divide and conquer, dp, matrices	2500	x655
1808E1	Minibuses on Venus (easy version) combinatorics, divide and conquer, dp	2200	x1262
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3608
1806D	DSU Master combinatorics, dp, dsu, math	2500	x855
1805E	There Should Be a Lot of Maximums brute force, data structures, dfs and similar, dp, trees, two pointers	2300	x1537
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6109
1804H	Code Lock bitmasks, dp	3300	x170
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1375
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4445
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x550
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2073
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3251
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x273
1799G	Count Voting combinatorics, dp, math	2600	x709
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x778