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
255C	Almost Arithmetical Progression brute force, dp	1500	x4617
111A	Petya and Inequiations greedy	1400	x4615
1407D	Discrete Centrifugal Jumps data structures, dp, graphs	2200	x4614
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x4612
884C	Bertown Subway dfs and similar, greedy, math	1500	x4610
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4607
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4606
417C	Football constructive algorithms, graphs, implementation	1400	x4605
16E	Fish bitmasks, dp, probabilities	1900	x4602
540B	School Marks greedy, implementation	1700	x4596
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4594
1174D	Ehab and the Expected XOR Problem bitmasks, constructive algorithms	1900	x4590
364A	Matrix combinatorics, data structures, implementation	1600	x4590
466B	Wonder Room brute force, math	2000	x4588
329A	Purification constructive algorithms, greedy	1500	x4585
1830B	The BOSS Can Count Pairs brute force, math	2000	x4569
405C	Unusual Product implementation, math	1600	x4563
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4560
599C	Day at the Beach sortings	1600	x4557
986B	Petr and Permutations combinatorics, math	1800	x4553
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4552
939C	Convenient For Everybody binary search, two pointers	1600	x4551
1536D	Omkar and Medians data structures, greedy, implementation	2000	x4550
652A	Gabriel and Caterpillar implementation, math	1400	x4550
1073C	Vasya and Robot binary search, two pointers	1800	x4542
748C	Santa Claus and Robot constructive algorithms, math	1400	x4539
197B	Limit math	1400	x4532
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4532
317A	Perfect Pair brute force	1600	x4525
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4523
366C	Dima and Salad dp	1900	x4521
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4520
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4516
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4515
1019A	Elections brute force, greedy	1700	x4508
992C	Nastya and a Wardrobe math	1600	x4508
597C	Subsequences data structures, dp	1900	x4504
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
1661D	Progressions Covering data structures, greedy	1900	x4502
630N	Forecast math	1300	x4501
221B	Little Elephant and Numbers implementation	1300	x4497
131D	Subway dfs and similar, graphs	1600	x4496
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
90A	Cableway greedy, math	1000	x4492
1119D	Frets On Fire binary search, sortings	1800	x4490
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4488
16C	Monitor binary search, number theory	1800	x4487
120A	Elevator brute force, implementation, math	1000	x4485
898E	Squares and not squares constructive algorithms, greedy	1600	x4482
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x4480
94B	Friends graphs, implementation, math	1300	x4479
366A	Dima and Guards implementation	1100	x4477
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x4474
965B	Battleship implementation	1300	x4469
747C	Servers implementation	1300	x4467
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4464
632A	Grandma Laura and Apples	1200	x4463
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x4462
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4456
1468D	Firecrackers binary search, sortings	1700	x4454
1632D	New Year Concert binary search, data structures, greedy, math, number theory, two pointers	2000	x4452
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4449
598E	Chocolate Bar brute force, dp	2000	x4448
983A	Finite or not? implementation, math	1700	x4447
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4446
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4445
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4444
475D	CGCDSSQ brute force, data structures, math	2000	x4444
1092D1	Great Vova Wall (Version 1) greedy, implementation, math	2200	x4436
60B	Serial Time! dfs and similar, dsu	1400	x4431
1613D	MEX Sequences dp, math	1900	x4426
355B	Vasya and Public Transport greedy, implementation	1100	x4424
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4421
11D	A Simple Task bitmasks, dp, graphs	2200	x4419
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4417
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4411
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4411
911D	Inversion Counting brute force, math	1800	x4411
597A	Divisibility math	1600	x4408
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4407
900C	Remove Extra One brute force, data structures, math	1700	x4407
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	1800	x4404
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4404
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4402
1765N	Number Reduction greedy	1500	x4398
1428D	Bouncing Boomerangs constructive algorithms, greedy, implementation	1900	x4397
1567D	Expression Evaluation Error constructive algorithms, greedy, implementation, math	2000	x4394
1137A	Skyscrapers implementation, sortings	1600	x4393
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4392
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x4390
1081B	Farewell Party constructive algorithms, implementation	1500	x4384
1481D	AB Graph brute force, constructive algorithms, graphs, greedy, implementation	2000	x4383
817D	Imbalanced Array data structures, divide and conquer, dsu, sortings	1900	x4381
1182C	Beautiful Lyrics data structures, greedy, strings	1700	x4379
1286B	Numbers on Tree constructive algorithms, data structures, dfs and similar, graphs, greedy, trees	1800	x4378
28B	pSort dfs and similar, dsu, graphs	1600	x4378
401B	Sereja and Contests greedy, implementation, math	1200	x4377
234A	Lefthanders and Righthanders implementation	1200	x4376