Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
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	x9663
385B	Bear and Strings brute force, greedy, implementation, math, strings	1200	x9902
385A	Bear and Raspberry brute force, greedy, implementation	1000	x16473
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3526
384A	Coder implementation	800	x16138
383E	Vowels combinatorics, divide and conquer, dp	2700	x3061
383D	Antimatter dp	2300	x2974
383C	Propagating tree data structures, dfs and similar, trees	2000	x6423
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x665
383A	Milking cows data structures, greedy	1600	x5258
382E	Ksenia and Combinatorics combinatorics, dp	2600	x380
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x670
382C	Arithmetic Progression implementation, sortings	1700	x8276
382B	Number Busters binary search, math	2000	x1403
382A	Ksenia and Pan Scales greedy, implementation	1100	x12376
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6752
381A	Sereja and Dima greedy, implementation, two pointers	800	x65490
380E	Sereja and Dividing data structures	2600	x301
380D	Sereja and Cinema combinatorics, math	2500	x462
380C	Sereja and Brackets data structures, schedules	2000	x14909
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	x2268
379E	New Year Tree Decorations geometry, schedules, sortings	2500	x339
379D	New Year Letter bitmasks, brute force, dp	2000	x1559
379C	New Year Ratings Change greedy, sortings	1400	x6549
379B	New Year Present constructive algorithms, implementation	1200	x7253
379A	New Year Candles implementation	1000	x46152
378B	Semifinals implementation, sortings	1300	x5222
378A	Playing with Dice brute force	800	x23844
377E	Cookie Clicker dp, geometry	2800	x460
377D	Developing Game data structures	2400	x1156
377C	Captains Mode bitmasks, dp, games	2200	x1140
377B	Preparing for the Contest binary search, data structures, greedy, sortings	1900	x2087
377A	Maze dfs and similar	1600	x22409
376B	I.O.U. implementation	1300	x6379
376A	Lever implementation, math	900	x9325
375E	Red and Black Tree dp, implementation, math	3000	x407
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6740
375C	Circling Round Treasures bitmasks, shortest paths	2600	x508
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x5053
375A	Divisible by Seven math, number theory	1600	x4823
374E	Inna and Babies binary search, data structures, dsu, geometry, implementation	2600	x185
374D	Inna and Sequence binary search, data structures, dp, trees	2000	x865
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2743
374B	Inna and Nine combinatorics, greedy	1500	x3320
374A	Inna and Pink Pony greedy, implementation	2000	x2929
373B	Making Sequences is Fun binary search, implementation, math	1600	x2475
373A	Collecting Beats is Fun implementation	900	x10687
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	x4117
372B	Counting Rectangles is Fun brute force, divide and conquer, dp	1900	x2604
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12951
371E	Subway Innovation greedy, math, two pointers	2000	x1296
371D	Vessels data structures, dsu, implementation, trees	1800	x5637
371C	Hamburgers binary search, brute force	1600	x26254
371B	Fox Dividing Cheese math, number theory	1300	x11329
371A	K-Periodic Array greedy, implementation, math	1000	x6067
370E	Summer Reading dp, greedy	2500	x291
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x631
370C	Mittens constructive algorithms, greedy, sortings	1800	x1570
370B	Berland Bingo implementation	1300	x2520
370A	Rook, Bishop and King graphs, math, shortest paths	1100	x10233
369E	Valera and Queries binary search, data structures	2200	x2146
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1140
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9994
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6473
369A	Valera and Plates greedy, implementation	900	x11041
368B	Sereja and Suffixes data structures, dp	1100	x41544
368A	Sereja and Coat Rack implementation	1000	x7501
367E	Sereja and Intervals combinatorics, dp	2700	x1117
367D	Sereja and Sets bitmasks, dfs and similar	2400	x653
367C	Sereja and the Arrangement of Numbers graphs, greedy, sortings	2000	x1786
367B	Sereja ans Anagrams binary search, data structures	1900	x2466
367A	Sereja and Algorithm data structures, implementation	1500	x4318
366E	Dima and Magic Guitar brute force, implementation, math	2200	x768
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1556
366C	Dima and Salad dp	1900	x4818
366B	Dima and To-do List brute force, implementation	1200	x6826
366A	Dima and Guards implementation	1100	x4519
365B	The Fibonacci Segment implementation	1100	x14467
365A	Good Number implementation	1100	x18572
364E	Empty Rectangles divide and conquer, two pointers	3000	x576
364D	Ghd brute force, math, probabilities	2900	x2085
364C	Beautiful Set brute force, number theory	2300	x596
364B	Free Market dp, greedy	2200	x1182
364A	Matrix combinatorics, data structures, implementation	1600	x4668
363E	Two Circles brute force, data structures, implementation	2500	x203
363D	Renting Bikes binary search, greedy	1800	x3903
363C	Fixing Typos greedy, implementation	1400	x13314
363B	Fence brute force, dp	1100	x52935
363A	Soroban implementation	800	x10750
362E	Petya and Pipes flows, graphs, shortest paths	2300	x805
362D	Fools and Foolproof Roads data structures, dfs and similar, dsu, graphs, greedy	2100	x928
362C	Insertion Sort data structures, dp, implementation, math	1900	x1752
362B	Petya and Staircases implementation, sortings	1100	x13820