Problemset - Codeforces

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Problems

#	Name
1575L	Longest Array Deconstruction data structures, divide and conquer, dp, sortings	2100	x1273
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4222
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x16538
1573B	Swaps greedy, math, sortings	1400	x14137
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8532
1569D	Inconvenient Pairs binary search, data structures, implementation, sortings, two pointers	1900	x4286
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x927
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7696
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x13768
1561C	Deep Down Below binary search, greedy, sortings	1300	x13504
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16446
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7656
1558F	Strange Sort data structures, sortings	3300	x349
1557B	Moamen and k-subarrays greedy, sortings	1100	x22824
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27462
1555E	Boring Segments data structures, sortings, trees, two pointers	2100	x3863
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x451
1552F	Telepanting binary search, data structures, dp, sortings	2200	x2782
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x1772
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5771
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x14966
1552A	Subsequence Permutation sortings, strings	800	x23514
1551C	Interesting Story greedy, sortings, strings	1500	x12888
1550D	Excellent Arrays binary search, combinatorics, constructive algorithms, implementation, math, sortings, two pointers	2300	x1780
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13846
1545A	AquaMoon and Strange Sort sortings	1500	x13577
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x13677
1539F	Strange Array data structures, greedy, sortings	2600	x837
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11274
1539C	Stable Groups greedy, sortings	1200	x21221
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29604
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x143
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x525
1532D	Teams Forming *special problem, sortings		x580
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14238
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20339
1526A	Mean Inequality constructive algorithms, sortings	800	x23858
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4332
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x806
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x15969
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13049
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x225
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x212
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11154
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x584
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4090
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1200
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x1410
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5046
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x327
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x529
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3103
1503D	Flip the Cards 2-sat, constructive algorithms, data structures, greedy, sortings, two pointers	2600	x967
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3199
1501B	Napoleon Cake dp, implementation, sortings	900	x18453
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x413
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1838
1497A	Meximization brute force, data structures, greedy, sortings	800	x23874
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16672
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x2494
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4738
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15469
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4368
1487A	Arena implementation, sortings	800	x26178
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x15239
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1862
1480B	The Great Hero greedy, implementation, sortings	900	x16927
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9490
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2208
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x528
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2240
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6405
1475E	Advertising Agency combinatorics, math, sortings	1600	x12880
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9721
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12198
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32854
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2936
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7722
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26071
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21250
1468D	Firecrackers binary search, sortings	1700	x4459
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2794
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10798
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1451
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9216
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13194
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8900
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11986
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1485
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14438
1450A	Avoid Trygub constructive algorithms, sortings	800	x17487
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x14919
1445A	Array Rearrangment greedy, sortings	800	x18808
1444B	Divide and Sum combinatorics, math, sortings	1900	x6045
1443C	The Delivery Dilemma binary search, greedy, sortings	1400	x14952
1443B	Saving the City dp, greedy, math, sortings	1300	x15495
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18440
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10119
1430B	Barrels greedy, implementation, sortings	800	x19119
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3513