Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
747C	Servers implementation	1300	x4467
965B	Battleship implementation	1300	x4469
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x4474
366A	Dima and Guards implementation	1100	x4477
94B	Friends graphs, implementation, math	1300	x4479
898E	Squares and not squares constructive algorithms, greedy	1600	x4480
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4480
120A	Elevator brute force, implementation, math	1000	x4483
16C	Monitor binary search, number theory	1800	x4486
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4488
90A	Cableway greedy, math	1000	x4489
1119D	Frets On Fire binary search, sortings	1800	x4490
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
131D	Subway dfs and similar, graphs	1600	x4495
221B	Little Elephant and Numbers implementation	1300	x4497
630N	Forecast math	1300	x4501
1661D	Progressions Covering data structures, greedy	1900	x4502
1183E	Subsequences (easy version) dp, graphs, implementation, shortest paths	2000	x4503
723C	Polycarp at the Radio greedy	1600	x4503
402A	Nuts greedy, math	1100	x4503
597C	Subsequences data structures, dp	1900	x4504
1019A	Elections brute force, greedy	1700	x4507
992C	Nastya and a Wardrobe math	1600	x4508
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4515
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4516
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4520
366C	Dima and Salad dp	1900	x4520
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4523
317A	Perfect Pair brute force	1600	x4525
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4530
197B	Limit math	1400	x4532
748C	Santa Claus and Robot constructive algorithms, math	1400	x4539
1073C	Vasya and Robot binary search, two pointers	1800	x4542
1536D	Omkar and Medians data structures, greedy, implementation	2000	x4550
652A	Gabriel and Caterpillar implementation, math	1400	x4550
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4551
939C	Convenient For Everybody binary search, two pointers	1600	x4551
986B	Petr and Permutations combinatorics, math	1800	x4553
599C	Day at the Beach sortings	1600	x4557
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	x4569
329A	Purification constructive algorithms, greedy	1500	x4585
466B	Wonder Room brute force, math	2000	x4587
1174D	Ehab and the Expected XOR Problem bitmasks, constructive algorithms	1900	x4589
364A	Matrix combinatorics, data structures, implementation	1600	x4590
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4593
540B	School Marks greedy, implementation	1700	x4596
16E	Fish bitmasks, dp, probabilities	1900	x4601
417C	Football constructive algorithms, graphs, implementation	1400	x4605
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4605
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4607
884C	Bertown Subway dfs and similar, greedy, math	1500	x4610
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x4612
1407D	Discrete Centrifugal Jumps data structures, dp, graphs	2200	x4613
111A	Petya and Inequiations greedy	1400	x4614
980B	Marlin constructive algorithms	1600	x4617
255C	Almost Arithmetical Progression brute force, dp	1500	x4617
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4620
1042C	Array Product constructive algorithms, greedy, math	1700	x4623
935C	Fifa and Fafa geometry	1600	x4627
847B	Preparing for Merge Sort binary search, data structures	1600	x4627
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4628
1773E	Easy Assembly greedy, sortings	1400	x4628
597B	Restaurant dp, greedy, sortings	1600	x4629
451D	Count Good Substrings math	2000	x4635
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	x4643
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4643
375A	Divisible by Seven math, number theory	1600	x4645
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4647
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4648
809A	Do you want a date? implementation, math, sortings	1500	x4648
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
1294E	Obtain a Permutation greedy, implementation, math	1900	x4678
1898D	Absolute Beauty greedy, math	1900	x4679
475A	Bayan Bus implementation	1100	x4680
578A	A Problem about Polyline geometry, math	1700	x4683
1616D	Keep the Average High dp, greedy, math	2000	x4690
92B	Binary Number greedy	1300	x4690
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4693
709B	Checkpoints greedy, implementation, sortings	1500	x4696
691B	s-palindrome implementation, strings	1600	x4697
1172A	Nauuo and Cards greedy, implementation	1800	x4700
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4704
479D	Long Jumps binary search, greedy, implementation	1700	x4704
63B	Settlers' Training implementation	1200	x4706
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x4707
1207F	Remainder Problem brute force, data structures, implementation	2100	x4709
353C	Find Maximum implementation, math, number theory	1600	x4709
865D	Buy Low Sell High constructive algorithms, data structures, greedy	2400	x4711
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x4713
1296E2	String Coloring (hard version) data structures, dp	2000	x4719
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	x4729
1821D	Black Cells binary search, brute force, greedy, math	1900	x4730
955B	Not simply beatiful strings implementation	1400	x4731
630H	Benches combinatorics, math	1400	x4733