Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
06:10:10
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Problems

#	Name
1601C	Optimal Insertion data structures, divide and conquer, dp, greedy, sortings	2300	x1920
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15614
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21648
1584C	Two Arrays greedy, math, sortings	900	x15992
1583H	Omkar and Tours data structures, divide and conquer, sortings, trees	3300	x314
1579B	Shifting Sort implementation, sortings	1100	x17838
1575L	Longest Array Deconstruction data structures, divide and conquer, dp, sortings	2100	x1278
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4229
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x16584
1573B	Swaps greedy, math, sortings	1400	x14174
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8560
1569D	Inconvenient Pairs binary search, data structures, implementation, sortings, two pointers	1900	x4293
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x928
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7704
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x13787
1561C	Deep Down Below binary search, greedy, sortings	1300	x13584
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16458
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7679
1558F	Strange Sort data structures, sortings	3300	x352
1557B	Moamen and k-subarrays greedy, sortings	1100	x22862
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27496
1555E	Boring Segments data structures, sortings, trees, two pointers	2100	x3868
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x454
1552F	Telepanting binary search, data structures, dp, sortings	2200	x2788
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x1773
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5778
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x15000
1552A	Subsequence Permutation sortings, strings	800	x23530
1551C	Interesting Story greedy, sortings, strings	1500	x12909
1550D	Excellent Arrays binary search, combinatorics, constructive algorithms, implementation, math, sortings, two pointers	2300	x1785
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13878
1545A	AquaMoon and Strange Sort sortings	1500	x13601
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x13700
1539F	Strange Array data structures, greedy, sortings	2600	x837
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11293
1539C	Stable Groups greedy, sortings	1200	x21315
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29670
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x143
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x526
1532D	Teams Forming *special problem, sortings		x581
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14259
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20357
1526A	Mean Inequality constructive algorithms, sortings	800	x23880
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4337
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x807
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x16028
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13056
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x225
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x215
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11166
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x587
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4101
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1201
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x1414
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5060
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x327
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x530
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3106
1503D	Flip the Cards 2-sat, constructive algorithms, data structures, greedy, sortings, two pointers	2600	x968
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3206
1501B	Napoleon Cake dp, implementation, sortings	900	x18488
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x414
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1839
1497A	Meximization brute force, data structures, greedy, sortings	800	x23914
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16698
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x2501
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4752
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15513
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4377
1487A	Arena implementation, sortings	800	x26202
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x15281
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1865
1480B	The Great Hero greedy, implementation, sortings	900	x16943
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9499
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2212
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x530
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2250
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6428
1475E	Advertising Agency combinatorics, math, sortings	1600	x12924
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9758
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12228
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32902
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2943
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7735
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26131
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21320
1468D	Firecrackers binary search, sortings	1700	x4469
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2795
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10838
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1456
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9230
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13229
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8917
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12004
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1486
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14451
1450A	Avoid Trygub constructive algorithms, sortings	800	x17501
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x14954
1445A	Array Rearrangment greedy, sortings	800	x18845
1444B	Divide and Sum combinatorics, math, sortings	1900	x6053