Problemset - Codeforces

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Problems

#	Name
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x14231
1552F	Telepanting binary search, data structures, dp, sortings	2200	x2972
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x7087
1551F	Equidistant Vertices brute force, combinatorics, dfs and similar, dp, trees	2200	x1857
1551E	Fixed Points binary search, brute force, dp	2000	x3983
1550F	Jumping Around binary search, data structures, divide and conquer, dp, dsu, graphs, shortest paths	2700	x681
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1551
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24570
1548C	The Three Little Pigs combinatorics, dp, fft, math	2500	x1844
1547G	How Many Paths? dfs and similar, dp, graphs, trees	2100	x3029
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x14578
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x110
1545E2	AquaMoon and Time Stop (hard version) data structures, dp	3500	x88
1545E1	AquaMoon and Time Stop (easy version) data structures, dp	3500	x84
1542E2	Abnormal Permutation Pairs (hard version) combinatorics, dp, fft, math	2700	x866
1542E1	Abnormal Permutation Pairs (easy version) combinatorics, dp, fft, math	2400	x1256
1542D	Priority Queue combinatorics, dp, implementation, math, ternary search	2200	x2665
1540C2	Converging Array (Hard Version) dp, math	2900	x472
1540C1	Converging Array (Easy Version) dp, math	2700	x639
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2658
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x960
1539B	Love Song dp, implementation, strings	800	x24684
1538F	Interesting Function binary search, dp, math, number theory	1500	x19453
1538A	Stone Game brute force, dp, greedy	800	x37144
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x13153
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x14309
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2784
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7801
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16599
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x151
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x575
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x565
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12880
1533H	Submatrices *special problem, bitmasks, data structures, dp		x84
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x650
1530H	Turing's Award data structures, dp	3400	x159
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x829
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x534
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8767
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14989
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x2359
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x22833
1526B	I Hate 1111 dp, math, number theory	1400	x31064
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x332
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x2081
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9869
1523H	Hopping Around the Array data structures, dp	3500	x251
1523F	Favorite Game bitmasks, dp	3300	x437
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1698
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2188
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x681
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1974
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x435
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x15423
1519B	The Cake Is a Lie dp, math	800	x31071
1517H	Fly Around the World dp, geometry	3500	x73
1517F	Reunion combinatorics, dp, trees	3200	x465
1517D	Explorer Space dp, graphs, shortest paths	1800	x7780
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x885
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4435
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x12031
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x19681
1515E	Phoenix and Computers combinatorics, dp, math	2200	x3646
1513C	Add One dp, matrices	1600	x14175
1512G	Short Task brute force, dp, math, number theory	1700	x8310
1512F	Education brute force, dp, greedy, implementation	1900	x6283
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x803
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x447
1511E	Colorings and Dominoes combinatorics, dp, greedy, math	2100	x2614
1510H	Hard Optimization dp	3200	x98
1510D	Digits dp, math, number theory	2100	x1936
1509C	The Sports Festival dp, greedy	1800	x12748
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4386
1503E	2-Coloring combinatorics, dp, math	3100	x714
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3466
1501B	Napoleon Cake dp, implementation, sortings	900	x19301
1500F	Cupboards Jumps dp	3500	x355
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1372
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1523
1499D	The Number of Pairs dp, math, number theory	2100	x5936
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20851
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x929
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x2342
1498C	Planar Reflections brute force, data structures, dp	1600	x9812
1497E2	Square-Free Division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1747
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8414
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1555
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x346
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x5456
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x16211
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x7235
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7992
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x215
1487G	String Counting combinatorics, dp, fft, math	2700	x602
1487F	Ones dp, greedy, shortest paths	2900	x389
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x689
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2974
1486D	Max Median binary search, data structures, dp	2100	x7437
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1999
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1356