Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
14:41:30
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Before contest
Codeforces Round 941 (Div. 2)
14:41:30
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Problems

#	Name
645G	Armistice Area Apportionment binary search, geometry	3200	x111
645F	Cowslip Collections combinatorics, math, number theory	2500	x757
645E	Intellectual Inquiry dp, greedy, strings	2200	x1215
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2757
645C	Enduring Exodus binary search, two pointers	1600	x3150
645B	Mischievous Mess Makers greedy, math	1200	x3329
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3355
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x908
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2601
644A	Parliament of Berland *special problem, constructive algorithms	1000	x4376
643G	Choosing Ads data structures	3200	x911
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x674
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x579
643D	Bearish Fanpages	2900	x310
643C	Levels and Regions dp	2400	x1313
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3139
643A	Bear and Colors implementation	1500	x4102
641G	Little Artem and Graph	2300	x88
641F	Little Artem and 2-SAT	3000	x184
641E	Little Artem and Time Machine data structures	2000	x2905
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1046
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2839
641B	Little Artem and Matrix implementation	1400	x3733
641A	Little Artem and Grasshopper implementation	1000	x5798
639F	Bear and Chemistry data structures, dfs and similar, graphs, trees	3300	x394
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x565
639D	Bear and Contribution data structures, greedy, sortings, two pointers	2400	x779
639C	Bear and Polynomials hashing, implementation, math	2200	x1187
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6389
639A	Bear and Displayed Friends implementation	1200	x6015
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x683
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1480
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1926
638A	Home Numbers *special problem, constructive algorithms, math	1100	x3748
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1948
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2409
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x14990
637A	Voting for Photos *special problem, constructive algorithms, implementation	1000	x5304
635A	Orchestra brute force, implementation	1100	x2818
634A	Island Puzzle constructive algorithms, implementation	1300	x3085
633H	Fibonacci-ish II data structures, implementation	3100	x564
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x712
633F	The Chocolate Spree dfs and similar, dp, graphs, trees	2600	x898
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x567
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2558
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2598
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6534
633A	Ebony and Ivory brute force, math, number theory	1100	x12285
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x1019
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2544
632D	Longest Subsequence brute force, math, number theory	2100	x3362
632C	The Smallest String Concatenation sortings, strings	1700	x7183
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3887
632A	Grandma Laura and Apples	1200	x4464
631E	Product Sum data structures, dp, geometry	2600	x2199
631D	Messenger data structures, hashing, implementation, string suffix structures, strings	2100	x1983
631C	Report data structures, sortings	1700	x3681
631B	Print Check constructive algorithms, implementation	1200	x7240
631A	Interview brute force, implementation	900	x9125
630R	Game games, math	1200	x8284
630Q	Pyramids geometry, math	1700	x1209
630P	Area of a Star geometry	2100	x1056
630O	Arrow geometry	2000	x722
630N	Forecast math	1300	x4501
630M	Turn geometry, math	1800	x1093
630L	Cracking the Code implementation, math	1400	x3444
630K	Indivisibility math, number theory	1500	x5015
630J	Divisibility math, number theory	1100	x10655
630I	Parking Lot combinatorics, math	1700	x6269
630H	Benches combinatorics, math	1400	x4733
630G	Challenge Pennants combinatorics, math	1600	x2617
630F	Selection of Personnel combinatorics, math	1300	x6543
630E	A rectangle math	1900	x2124
630D	Hexagons! math	1100	x9774
630C	Lucky Numbers combinatorics, math	1100	x20349
630B	Moore's Law math	1200	x6956
630A	Again Twenty Five! number theory	800	x61635
629E	Famil Door and Roads combinatorics, data structures, dfs and similar, dp, probabilities, trees	2300	x966
629D	Babaei and Birthday Cake data structures, dp	2000	x3860
629C	Famil Door and Brackets dp, strings	2000	x2733
629B	Far Relative’s Problem brute force	1100	x7942
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x13089
628F	Bear and Fair Set flows, graphs	2500	x728
628E	Zbazi in Zeydabad data structures, implementation	2300	x830
628D	Magic Numbers dp	2200	x5341
628C	Bear and String Distance greedy, strings	1300	x5654
628B	New Skateboard dp	1300	x10287
628A	Tennis Tournament implementation, math	1000	x6148
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x231
627E	Orchestra two pointers	3000	x531
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x794
627C	Package Delivery data structures, divide and conquer, greedy	2200	x1145
627B	Factory Repairs data structures	1700	x2645
627A	XOR Equation dp, math	1700	x3946
626G	Raffles data structures, dp, greedy, math	3100	x517
626F	Group Projects dp	2400	x2667
626E	Simple Skewness binary search, math, ternary search	2400	x1295
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2647
626C	Block Towers brute force, greedy, math, number theory	1600	x4286
626B	Cards constructive algorithms, dp, math	1300	x6500