Problemset - Codeforces

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Codeforces Round 1006 (Div. 3)
4 days

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Problems

#	Name
2041E	Beautiful Array constructive algorithms, math	1200	x6666
2041D	Drunken Maze brute force, dfs and similar, graphs, shortest paths	1700	x2070
2041C	Cube bitmasks, dfs and similar, dp	2000	x1303
2041B	Bowling Frame binary search, brute force, math	1200	x5045
2041A	The Bento Box Adventure implementation, sortings	1300	x8279
2040F	Number of Cubes combinatorics, dp, math, number theory	2700	x273
2040E	Control of Randomness combinatorics, dfs and similar, dp, graphs, greedy, math, probabilities, trees	2100	x1955
2040D	Non Prime Tree brute force, constructive algorithms, dfs and similar, greedy, number theory, trees, two pointers	1900	x4562
2040C	Ordered Permutations bitmasks, combinatorics, constructive algorithms, greedy, math, two pointers	1600	x8577
2040B	Paint a Strip constructive algorithms, greedy, math	1000	x19762
2040A	Game of Division games, math	800	x21788
2039H2	Cool Swap Walk (Hard Version) constructive algorithms, constructive algorithms, constructive algorithms, implementation, sortings	3500	x52
2039H1	Cool Swap Walk (Easy Version) constructive algorithms, implementation, sortings	3500	x71
2039G	Shohag Loves Pebae math, number theory	3500	x52
2039F2	Shohag Loves Counting (Hard Version) dp, number theory	3200	x198
2039F1	Shohag Loves Counting (Easy Version) combinatorics, dp, math, number theory	2800	x363
2039E	Shohag Loves Inversions combinatorics, dp, implementation, math	2200	x1925
2039D	Shohag Loves GCD constructive algorithms, greedy, math, number theory	1700	x5494
2039C2	Shohag Loves XOR (Hard Version) bitmasks, brute force, math, number theory	1800	x4111
2039C1	Shohag Loves XOR (Easy Version) bitmasks, brute force, math, number theory	1200	x10815
2039B	Shohag Loves Strings constructive algorithms, greedy, implementation, strings	1000	x13906
2039A	Shohag Loves Mod constructive algorithms, number theory	800	x16116
2038N	Fixing the Expression implementation	800	x9447
2038M	Royal Flush dp, implementation	2800	x241
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x5700
2038K	Grid Walk brute force, dp, greedy, math, number theory	2100	x1320
2038J	Waiting for... greedy, implementation	800	x7340
2038I	Polyathlon binary search, data structures, hashing, string suffix structures, strings	2500	x604
2038H	Galactic Council flows	3000	x117
2038G	Guess One Character constructive algorithms, implementation, interactive	1900	x2209
2038F	Alternative Platforms combinatorics, data structures, fft, math, sortings	2500	x384
2038E	Barrels data structures, greedy, math	2900	x122
2038D	Divide OR Conquer binary search, bitmasks, data structures, dp, implementation	2400	x629
2038C	DIY data structures, geometry, greedy, sortings	1400	x4940
2038B	Make It Equal binary search, brute force, greedy, math	2100	x1432
2038A	Bonus Project games, greedy	1400	x3905
2037G	Natlan Exploring bitmasks, combinatorics, data structures, dp, math, number theory	2000	x2738
2037F	Ardent Flames binary search, data structures, math, sortings, two pointers	2100	x2209
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x5821
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x11857
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x20767
2037B	Intercepted Inputs brute force, implementation	800	x22541
2037A	Twice implementation	800	x30131
2036G	Library of Magic binary search, constructive algorithms, divide and conquer, interactive, math, number theory	2200	x1320
2036F	XORificator 3000 bitmasks, dp, number theory, two pointers	1900	x3923
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x7732
2036D	I Love 1543 brute force, implementation, matrices	1300	x13377
2036C	Anya and 1100 brute force, implementation	1100	x19080
2036B	Startup greedy, sortings	800	x26066
2036A	Quintomania implementation	800	x34955
2035H	Peak Productivity Forces constructive algorithms	3500	x68
2035G2	Go Learn! (Hard Version) divide and conquer, dp	3500	x90
2035G1	Go Learn! (Easy Version) dp, trees	3300	x149
2035F	Tree Operations binary search, brute force, dfs and similar, dp, trees	2500	x909
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1716
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x5000
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x9436
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x17358
2035A	Sliding implementation, math	800	x16518
2034H	Rayan vs. Rayaneh brute force, dfs and similar, dp, number theory	3300	x109
2034G2	Simurgh's Watch (Hard Version) greedy, implementation	3500	x40
2034G1	Simurgh's Watch (Easy Version) constructive algorithms, greedy, implementation, sortings	3500	x47
2034F2	Khayyam's Royal Decree (Hard Version) combinatorics, dp, math, sortings	2800	x401
2034F1	Khayyam's Royal Decree (Easy Version) combinatorics, dp, math, sortings	2500	x675
2034E	Permutations Harmony combinatorics, constructive algorithms, greedy, hashing, math	2200	x1639
2034D	Darius' Wisdom constructive algorithms, greedy, implementation, sortings	1600	x5143
2034C	Trapped in the Witch's Labyrinth constructive algorithms, dfs and similar, graphs, implementation	1400	x6971
2034B	Rakhsh's Revival data structures, greedy, implementation, two pointers	1000	x12648
2034A	King Keykhosrow's Mystery brute force, chinese remainder theorem, math, number theory	800	x16044
2033G	Sakurako and Chefir data structures, dfs and similar, dp, greedy, trees	2200	x1480
2033F	Kosuke's Sloth brute force, math, number theory	1800	x5831
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x11436
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x14817
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x14452
2033B	Sakurako and Water brute force, constructive algorithms, greedy	900	x25141
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x36008
2032F	Peanuts combinatorics, dp, games, math	2700	x353
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math	2400	x1148
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x5155
2032C	Trinity binary search, math, sortings, two pointers	1400	x13255
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x17846
2032A	Circuit greedy, implementation, math, number theory	800	x22445
2031F	Penchick and Even Medians binary search, constructive algorithms, interactive, probabilities	2800	x344
2031E	Penchick and Chloe's Trees data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees	2100	x2187
2031D	Penchick and Desert Rabbit binary search, data structures, dfs and similar, dp, dsu, greedy, implementation, two pointers	1700	x7360
2031C	Penchick and BBQ Buns constructive algorithms, math, number theory	1300	x12799
2031B	Penchick and Satay Sticks brute force, greedy, sortings	900	x17416
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x18423
2030G2	The Destruction of the Universe (Hard Version) combinatorics, math	3100	x136
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x184
2030F	Orangutan Approved Subarrays binary search, data structures, dp, greedy, implementation, two pointers	2400	x889
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1514
2030D	QED's Favorite Permutation data structures, implementation, sortings	1700	x6989
2030C	A TRUE Battle brute force, games, greedy	1100	x17571
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x21530
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x25190
2029I	Variance Challenge flows, graphs, greedy	3400	x90
2029H	Message Spread bitmasks, brute force, combinatorics, dp	3500	x74
2029G	Balanced Problem data structures, dp	3000	x170
2029F	Palindrome Everywhere constructive algorithms, graphs, greedy	2500	x733