Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1379
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x13660
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1777
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x4566
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x91
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1395
1744C	Traffic Light binary search, implementation, two pointers	1000	x25639
1743E	FTL binary search, dp	2400	x1509
1742E	Scuza binary search, greedy, math	1200	x23196
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x2304
1739D	Reset K Edges binary search, data structures, dfs and similar, graphs, greedy, trees	1900	x4995
1737G	Ela Takes Dancing Class binary search, data structures	3500	x111
1737B	Ela's Fitness and the Luxury Number binary search, implementation, math	1300	x9281
1736C2	Good Subarrays (Hard Version) binary search, data structures, dp, two pointers	2400	x1262
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14763
1732C2	Sheikh (Hard Version) binary search, bitmasks, brute force, greedy, implementation, two pointers	2100	x2496
1732C1	Sheikh (Easy version) binary search, bitmasks, greedy, two pointers	1800	x5706
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6925
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12270
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x440
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x82
1725G	Garage binary search, geometry, math	1500	x5732
1725D	Deducing Sortability binary search, bitmasks, math	2900	x119
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1578
1725B	Basketball Together binary search, greedy, sortings	1000	x12618
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x13133
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x13021
1714G	Path Prefixes binary search, data structures, dfs and similar, trees	1700	x7342
1712F	Triameter binary search, data structures, dfs and similar, trees	3200	x307
1712E1	LCM Sum (easy version) binary search, brute force, combinatorics, math, number theory, two pointers	2300	x2092
1712D	Empty Graph binary search, constructive algorithms, data structures, greedy, shortest paths	2000	x4374
1710E	Two Arrays binary search, games, graph matchings	2400	x487
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2398
1709D	Rorororobot binary search, data structures, greedy, math	1700	x8230
1707E	Replace binary search, data structures	3500	x573
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x13191
1706E	Qpwoeirut and Vertices binary search, data structures, dfs and similar, divide and conquer, dsu, greedy, trees	2300	x2474
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6780
1705E	Mark and Professor Koro binary search, bitmasks, brute force, combinatorics, data structures, greedy	2300	x2028
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18998
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5576
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x16291
1700D	River Locks binary search, dp, greedy, math	1900	x5937
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x8908
1697D	Guess The String binary search, constructive algorithms, interactive	1900	x4341
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x14119
1696D	Permutation Graph binary search, constructive algorithms, data structures, divide and conquer, greedy, shortest paths	1900	x5273
1693F	I Might Be Wrong binary search, greedy, two pointers	3400	x386
1692E	Binary Deque binary search, implementation, two pointers	1200	x20866
1691D	Max GEQ Sum binary search, constructive algorithms, data structures, divide and conquer, implementation, two pointers	1800	x5632
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3307
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14837
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x566
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1353
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3090
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9714
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4671
1676E	Eating Queries binary search, greedy, sortings	1100	x25362
1674E	Breaking the Wall binary search, brute force, constructive algorithms, greedy, math	2000	x6261
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x2112
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x16467
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5019
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x24314
1666E	Even Split binary search, constructive algorithms, greedy, math	2500	x690
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8167
1661F	Teleporters binary search, greedy	2600	x575
1661C	Water the Trees binary search, greedy, math	1700	x9149
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10082
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4762
1656F	Parametric MST binary search, constructive algorithms, graphs, greedy, math, sortings	2600	x1016
1651F	Tower Defense binary search, brute force, data structures	3000	x369
1651D	Nearest Excluded Points binary search, data structures, dfs and similar, graphs, shortest paths	1900	x4961
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4063
1641C	Anonymity Is Important binary search, brute force, data structures, dsu, greedy, sortings	2200	x2367
1637E	Best Pair binary search, brute force, implementation	2100	x3223
1633E	Spanning Tree Queries binary search, data structures, dfs and similar, dsu, graphs, greedy, math, sortings, trees	2400	x1478
1632E2	Distance Tree (hard version) binary search, dfs and similar, shortest paths, trees	2700	x942
1632E1	Distance Tree (easy version) binary search, data structures, dfs and similar, graphs, shortest paths, trees	2400	x1127
1632D	New Year Concert binary search, data structures, greedy, math, number theory, two pointers	2000	x4552
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12480
1630B	Range and Partition binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5600
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x85
1628E	Groceries in Meteor Town binary search, data structures, dsu, trees	3100	x849
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15386
1626D	Martial Arts Tournament binary search, brute force, greedy, math	2100	x3841
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10749
1625E2	Cats on the Upgrade (hard version) binary search, data structures, dfs and similar, graphs, trees	2800	x584
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x3226
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16592
1623C	Balanced Stone Heaps binary search, greedy	1600	x11600
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12659
1621E	New School binary search, data structures, dp, greedy, implementation, sortings	2300	x1739
1619G	Unusual Minesweeper binary search, dfs and similar, dsu, greedy, sortings	2000	x2348
1619D	New Year's Problem binary search, greedy, sortings	1800	x7390
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14785
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x319
1614E	Divan and a Cottage binary search, data structures	2600	x815
1613C	Poisoned Dagger binary search	1200	x23381
1612C	Chat Ban binary search, math	1300	x16465
1611F	ATM and Students binary search, data structures, two pointers	1800	x6310