Problemset - Codeforces

Problems

#	Name
1391E	Pairs of Pairs constructive algorithms, dfs and similar, graphs, greedy, trees	2600	x1724
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x5348
1391B	Fix You brute force, greedy, implementation	800	x27484
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4345
1389C	Good String brute force, dp, greedy, two pointers	1500	x19127
1389B	Array Walk brute force, dp, greedy	1600	x16932
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x41983
1388D	Captain Flint and Treasure data structures, dfs and similar, graphs, greedy, implementation, trees	2000	x6469
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9776
1388B	Captain Flint and a Long Voyage greedy, math	1000	x22332
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x25015
1387B1	Village (Minimum) *special problem, dp, greedy, trees	2100	x1491
1385F	Removing Leaves data structures, greedy, implementation, trees	2300	x2579
1385C	Make It Good greedy	1200	x27154
1385B	Restore the Permutation by Merger greedy	800	x37361
1384B2	Koa and the Beach (Hard Version) constructive algorithms, dp, greedy, implementation	2200	x2504
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3926
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18850
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x690
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x5100
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10717
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x683
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1642
1380G	Circular Dungeon greedy, math, probabilities	2600	x811
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x4711
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x20869
1380B	Universal Solution greedy	1400	x14648
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5621
1375E	Inversion SwapSort constructive algorithms, greedy, sortings	2500	x3094
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x21314
1375B	Neighbor Grid constructive algorithms, greedy	1200	x17320
1374E2	Reading Books (hard version) data structures, greedy, implementation, sortings, ternary search, two pointers	2500	x945
1374E1	Reading Books (easy version) data structures, greedy, sortings	1600	x14086
1374C	Move Brackets greedy, strings	1000	x47770
1373G	Pawns data structures, divide and conquer, greedy	2600	x805
1373F	Network Coverage binary search, constructive algorithms, data structures, greedy	2400	x1676
1373E	Sum of Digits brute force, constructive algorithms, dp, greedy	2200	x2756
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x15749
1373A	Donut Shops greedy, implementation, math	1000	x27220
1372E	Omkar and Last Floor dp, greedy, two pointers	2900	x1188
1372D	Omkar and Circle brute force, dp, games, greedy	2100	x5417
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x28418
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x13032
1371C	A Cookie for You greedy, implementation, math	1300	x20605
1370E	Binary Subsequence Rotation binary search, constructive algorithms, data structures, greedy	2100	x4919
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9770
1370A	Maximum GCD greedy, implementation, math, number theory	800	x52969
1369E	DeadLee data structures, dfs and similar, greedy, implementation, sortings	2400	x2279
1369D	TediousLee dp, graphs, greedy, math, trees	1900	x8685
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19680
1369B	AccurateLee greedy, implementation, strings	1200	x24537
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x353
1368E	Ski Accidents constructive algorithms, graphs, greedy	2500	x2227
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11953
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19904
1368A	C+= brute force, greedy, implementation, math	800	x39931
1367F2	Flying Sort (Hard Version) binary search, data structures, dp, greedy, sortings, two pointers	2400	x1683
1367F1	Flying Sort (Easy Version) dp, greedy, two pointers	2100	x3303
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5487
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x8372
1367C	Social Distance constructive algorithms, greedy, math	1300	x23591
1367B	Even Array greedy, math	800	x54316
1366C	Palindromic Paths greedy, math	1500	x13621
1366A	Shovels and Swords binary search, greedy, math	1100	x30372
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x17578
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x23259
1365A	Matrix Game games, greedy, implementation	1100	x24192
1364D	Ehab's Last Corollary constructive algorithms, dfs and similar, graphs, greedy, implementation, trees	2100	x4437
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x13236
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x20120
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6866
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x18584
1361D	Johnny and James greedy, implementation, math, trees	2900	x320
1361B	Johnny and Grandmaster greedy, implementation, math, sortings	1900	x3657
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8445
1360G	A/B Matrix constructive algorithms, greedy, math	1900	x7848
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x33079
1360B	Honest Coach greedy, sortings	800	x48361
1360A	Minimal Square greedy, math	800	x51203
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27926
1359A	Berland Poker brute force, greedy, math	1000	x29820
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x459
1358E	Are You Fired? constructive algorithms, data structures, greedy, implementation	2400	x2337
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x8227
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x25000
1358A	Park Lighting greedy, math	800	x39740
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x5195
1355B	Young Explorers dp, greedy, sortings	1200	x25876
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x1237
1353E	K-periodic Garland brute force, dp, greedy	1900	x7209
1353B	Two Arrays And Swaps greedy, sortings	800	x50428
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x41209
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x92
1349B	Orac and Medians constructive algorithms, greedy, math	2000	x8206
1348F	Phoenix and Memory data structures, dfs and similar, graphs, greedy	2600	x822
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x2249
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x8914
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14685
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x25532
1348A	Phoenix and Balance greedy, math	800	x39795