Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
393B	Three matrices		x1982
393A	Nineteen		x6626
392E	Deleting Substrings		x179
392D	Three Arrays data structures		x217
392C	Yet Another Number Sequence combinatorics, math, matrices		x591
392B	Tower of Hanoi dp		x926
392A	Blocked Points math		x973
391F3	Stock Trading		x107
391F2	Stock Trading greedy		x108
391F1	Stock Trading dp		x182
391E2	Three Trees		x153
391E1	Three Trees		x116
391D2	Supercollider data structures		x197
391D1	Supercollider brute force		x213
391C3	The Tournament		x171
391C2	The Tournament greedy		x138
391C1	The Tournament brute force		x189
391B	Word Folding brute force		x391
391A	Genetic Engineering implementation, two pointers		x1720
390E	Inna and Large Sweet Matrix		x260
390D	Inna and Sweet Matrix constructive algorithms		x516
390C	Inna and Candy Boxes data structures		x628
390B	Inna, Dima and Song implementation		x1178
390A	Inna and Alarm Clock implementation		x3514
389B	Fox and Cross greedy, implementation	1100	x6905
389A	Fox and Number Game greedy, math	1000	x14045
388E	Fox and Meteor Shower geometry	3100	x122
388D	Fox and Perfect Sets math	2700	x442
388C	Fox and Card Game games, greedy, sortings	2000	x3354
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2473
388A	Fox and Box Accumulation greedy, sortings	1400	x11474
387E	George and Cards binary search, data structures	2200	x880
387D	George and Interesting Graph graph matchings	2200	x1004
387C	George and Number greedy, implementation	1700	x2185
387B	George and Round brute force, greedy, two pointers	1200	x12206
387A	George and Sleep implementation	900	x9669
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x434
386C	Diverse Substrings dp, strings, two pointers	2000	x780
386B	Fly, freebies, fly! binary search, brute force, implementation	1400	x2164
386A	Second-Price Auction implementation	800	x6221
385E	Bear in the Field math, matrices	2300	x589
385D	Bear and Floodlight bitmasks, dp, geometry	2200	x810
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9624
385B	Bear and Strings brute force, greedy, implementation, math, strings	1200	x9892
385A	Bear and Raspberry brute force, greedy, implementation	1000	x16460
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3525
384A	Coder implementation	800	x16132
383E	Vowels combinatorics, divide and conquer, dp	2700	x3041
383D	Antimatter dp	2300	x2974
383C	Propagating tree data structures, dfs and similar, trees	2000	x6417
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x664
383A	Milking cows data structures, greedy	1600	x5258
382E	Ksenia and Combinatorics combinatorics, dp	2600	x379
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x670
382C	Arithmetic Progression implementation, sortings	1700	x8274
382B	Number Busters binary search, math	2000	x1403
382A	Ksenia and Pan Scales greedy, implementation	1100	x12360
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6745
381A	Sereja and Dima greedy, implementation, two pointers	800	x65335
380E	Sereja and Dividing data structures	2600	x300
380D	Sereja and Cinema combinatorics, math	2500	x462
380C	Sereja and Brackets data structures, schedules	2000	x14884
380B	Sereja and Tree graphs, implementation	2400	x532
380A	Sereja and Prefixes binary search, brute force	1600	x2681
379G	New Year Cactus dp	3100	x141
379F	New Year Tree data structures, divide and conquer, trees	2400	x2267
379E	New Year Tree Decorations geometry, schedules, sortings	2500	x339
379D	New Year Letter bitmasks, brute force, dp	2000	x1558
379C	New Year Ratings Change greedy, sortings	1400	x6547
379B	New Year Present constructive algorithms, implementation	1200	x7253
379A	New Year Candles implementation	1000	x46113
378B	Semifinals implementation, sortings	1300	x5217
378A	Playing with Dice brute force	800	x23822
377E	Cookie Clicker dp, geometry	2800	x459
377D	Developing Game data structures	2400	x1153
377C	Captains Mode bitmasks, dp, games	2200	x1138
377B	Preparing for the Contest binary search, data structures, greedy, sortings	1900	x2078
377A	Maze dfs and similar	1600	x22372
376B	I.O.U. implementation	1300	x6375
376A	Lever implementation, math	900	x9323
375E	Red and Black Tree dp, implementation, math	3000	x406
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6728
375C	Circling Round Treasures bitmasks, shortest paths	2600	x507
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x5050
375A	Divisible by Seven math, number theory	1600	x4820
374E	Inna and Babies binary search, data structures, dsu, geometry, implementation	2600	x185
374D	Inna and Sequence binary search, data structures, dp, trees	2000	x864
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2741
374B	Inna and Nine combinatorics, greedy	1500	x3318
374A	Inna and Pink Pony greedy, implementation	2000	x2928
373B	Making Sequences is Fun binary search, implementation, math	1600	x2475
373A	Collecting Beats is Fun implementation	900	x10678
372E	Drawing Circles is Fun combinatorics, geometry	3000	x172
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x967
372C	Watching Fireworks is Fun data structures, dp, math	2100	x4100
372B	Counting Rectangles is Fun brute force, divide and conquer, dp	1900	x2603
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12938
371E	Subway Innovation greedy, math, two pointers	2000	x1292
371D	Vessels data structures, dsu, implementation, trees	1800	x5634
371C	Hamburgers binary search, brute force	1600	x26190