Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
07:43:35
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Problems

#	Name
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	x1254
1542D	Priority Queue combinatorics, dp, implementation, math, ternary search	2200	x2650
1540C2	Converging Array (Hard Version) dp, math	2900	x463
1540C1	Converging Array (Easy Version) dp, math	2700	x629
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2642
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x956
1539B	Love Song dp, implementation, strings	800	x24639
1538F	Interesting Function binary search, dp, math, number theory	1500	x19418
1538A	Stone Game brute force, dp, greedy	800	x37084
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x13055
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x14248
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2780
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7787
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16579
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x151
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x572
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x563
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12870
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	x158
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x804
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x533
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8743
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14928
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x2342
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x22777
1526B	I Hate 1111 dp, math, number theory	1400	x30951
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x331
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x2076
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9844
1523H	Hopping Around the Array data structures, dp	3500	x249
1523F	Favorite Game bitmasks, dp	3300	x431
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1695
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2183
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	x1971
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x432
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x15373
1519B	The Cake Is a Lie dp, math	800	x31013
1517H	Fly Around the World dp, geometry	3500	x73
1517F	Reunion combinatorics, dp, trees	3200	x463
1517D	Explorer Space dp, graphs, shortest paths	1800	x7759
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x881
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4418
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x12011
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x19615
1515E	Phoenix and Computers combinatorics, dp, math	2200	x3616
1513C	Add One dp, matrices	1600	x14133
1512G	Short Task brute force, dp, math, number theory	1700	x8292
1512F	Education brute force, dp, greedy, implementation	1900	x6274
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x798
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x446
1511E	Colorings and Dominoes combinatorics, dp, greedy, math	2100	x2611
1510H	Hard Optimization dp	3200	x98
1510D	Digits dp, math, number theory	2100	x1929
1509C	The Sports Festival dp, greedy	1800	x12701
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4373
1503E	2-Coloring combinatorics, dp, math	3100	x713
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3460
1501B	Napoleon Cake dp, implementation, sortings	900	x19279
1500F	Cupboards Jumps dp	3500	x354
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1364
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1515
1499D	The Number of Pairs dp, math, number theory	2100	x5913
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20829
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x926
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x2339
1498C	Planar Reflections brute force, data structures, dp	1600	x9789
1497E2	Square-Free Division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1736
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8395
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1538
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x341
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x5452
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x16177
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x7225
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7972
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x214
1487G	String Counting combinatorics, dp, fft, math	2700	x600
1487F	Ones dp, greedy, shortest paths	2900	x385
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x658
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2951
1486D	Max Median binary search, data structures, dp	2100	x7386
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1989
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1318
1485B	Replace and Keep Sorted dp, implementation, math	1200	x17131
1482E	Skyline Photo data structures, divide and conquer, dp	2100	x3235
1481F	AB Tree dp, greedy, trees	3100	x484
1481E	Sorting Books data structures, dp, greedy	2500	x2119
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x213
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x4085
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x7003
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18320
1476F	Lanterns binary search, data structures, dp	3000	x796
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8665
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11417
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6889
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x10226