Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
27:42:40
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Before contest
Codeforces Round 941 (Div. 2)
27:42:40
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Problems

#	Name
965B	Battleship implementation	1300	x4469
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x4477
366A	Dima and Guards implementation	1100	x4477
94B	Friends graphs, implementation, math	1300	x4480
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4481
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4481
898E	Squares and not squares constructive algorithms, greedy	1600	x4484
120A	Elevator brute force, implementation, math	1000	x4488
16C	Monitor binary search, number theory	1800	x4489
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4490
1119D	Frets On Fire binary search, sortings	1800	x4491
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
221B	Little Elephant and Numbers implementation	1300	x4497
90A	Cableway greedy, math	1000	x4497
131D	Subway dfs and similar, graphs	1600	x4498
630N	Forecast math	1300	x4501
1661D	Progressions Covering data structures, greedy	1900	x4503
723C	Polycarp at the Radio greedy	1600	x4503
1183E	Subsequences (easy version) dp, graphs, implementation, shortest paths	2000	x4505
402A	Nuts greedy, math	1100	x4506
992C	Nastya and a Wardrobe math	1600	x4508
1019A	Elections brute force, greedy	1700	x4509
597C	Subsequences data structures, dp	1900	x4509
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4516
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4519
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4520
366C	Dima and Salad dp	1900	x4522
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4523
317A	Perfect Pair brute force	1600	x4526
197B	Limit math	1400	x4535
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4536
748C	Santa Claus and Robot constructive algorithms, math	1400	x4539
1073C	Vasya and Robot binary search, two pointers	1800	x4544
652A	Gabriel and Caterpillar implementation, math	1400	x4550
1536D	Omkar and Medians data structures, greedy, implementation	2000	x4551
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4552
986B	Petr and Permutations combinatorics, math	1800	x4553
599C	Day at the Beach sortings	1600	x4557
939C	Convenient For Everybody binary search, two pointers	1600	x4559
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4560
405C	Unusual Product implementation, math	1600	x4563
1830B	The BOSS Can Count Pairs brute force, math	2000	x4574
329A	Purification constructive algorithms, greedy	1500	x4585
466B	Wonder Room brute force, math	2000	x4590
364A	Matrix combinatorics, data structures, implementation	1600	x4590
1174D	Ehab and the Expected XOR Problem bitmasks, constructive algorithms	1900	x4592
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4596
540B	School Marks greedy, implementation	1700	x4597
16E	Fish bitmasks, dp, probabilities	1900	x4603
417C	Football constructive algorithms, graphs, implementation	1400	x4605
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4607
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4608
884C	Bertown Subway dfs and similar, greedy, math	1500	x4611
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x4613
1407D	Discrete Centrifugal Jumps data structures, dp, graphs	2200	x4616
980B	Marlin constructive algorithms	1600	x4617
255C	Almost Arithmetical Progression brute force, dp	1500	x4617
111A	Petya and Inequiations greedy	1400	x4617
1042C	Array Product constructive algorithms, greedy, math	1700	x4624
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4624
935C	Fifa and Fafa geometry	1600	x4627
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4628
847B	Preparing for Merge Sort binary search, data structures	1600	x4630
597B	Restaurant dp, greedy, sortings	1600	x4630
1773E	Easy Assembly greedy, sortings	1400	x4633
451D	Count Good Substrings math	2000	x4637
136B	Ternary Logic implementation, math	1100	x4639
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4640
1010C	Border number theory	1800	x4644
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4645
375A	Divisible by Seven math, number theory	1600	x4648
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4649
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4649
809A	Do you want a date? implementation, math, sortings	1500	x4649
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x4663
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4673
475A	Bayan Bus implementation	1100	x4680
1294E	Obtain a Permutation greedy, implementation, math	1900	x4682
578A	A Problem about Polyline geometry, math	1700	x4683
1898D	Absolute Beauty greedy, math	1900	x4685
1616D	Keep the Average High dp, greedy, math	2000	x4690
92B	Binary Number greedy	1300	x4691
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4695
709B	Checkpoints greedy, implementation, sortings	1500	x4696
691B	s-palindrome implementation, strings	1600	x4697
1172A	Nauuo and Cards greedy, implementation	1800	x4700
479D	Long Jumps binary search, greedy, implementation	1700	x4705
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4706
63B	Settlers' Training implementation	1200	x4706
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x4707
353C	Find Maximum implementation, math, number theory	1600	x4711
1207F	Remainder Problem brute force, data structures, implementation	2100	x4713
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x4714
1296E2	String Coloring (hard version) data structures, dp	2000	x4723
526A	King of Thieves brute force, implementation	1300	x4724
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4731
955B	Not simply beatiful strings implementation	1400	x4731
630H	Benches combinatorics, math	1400	x4733
1821D	Black Cells binary search, brute force, greedy, math	1900	x4735
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x4736