Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
18:39:27
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Before contest
Codeforces Round 941 (Div. 2)
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Problems

#	Name
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8511
1569D	Inconvenient Pairs binary search, data structures, implementation, sortings, two pointers	1900	x4241
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x925
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7687
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x13747
1561C	Deep Down Below binary search, greedy, sortings	1300	x13448
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16437
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7639
1558F	Strange Sort data structures, sortings	3300	x349
1557B	Moamen and k-subarrays greedy, sortings	1100	x22777
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27436
1555E	Boring Segments data structures, sortings, trees, two pointers	2100	x3855
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x446
1552F	Telepanting binary search, data structures, dp, sortings	2200	x2776
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x1769
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5766
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x14943
1552A	Subsequence Permutation sortings, strings	800	x23492
1551C	Interesting Story greedy, sortings, strings	1500	x12862
1550D	Excellent Arrays binary search, combinatorics, constructive algorithms, implementation, math, sortings, two pointers	2300	x1779
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13785
1545A	AquaMoon and Strange Sort sortings	1500	x13550
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x13660
1539F	Strange Array data structures, greedy, sortings	2600	x835
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11258
1539C	Stable Groups greedy, sortings	1200	x21153
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29520
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x143
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x514
1532D	Teams Forming *special problem, sortings		x579
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14216
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20319
1526A	Mean Inequality constructive algorithms, sortings	800	x23837
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4324
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x799
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x15918
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13044
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x224
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x211
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11141
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x580
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4082
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1196
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x1409
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5019
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x326
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x525
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3097
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	x3195
1501B	Napoleon Cake dp, implementation, sortings	900	x18425
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x411
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1836
1497A	Meximization brute force, data structures, greedy, sortings	800	x23834
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16648
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x2488
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4732
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15408
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4355
1487A	Arena implementation, sortings	800	x26139
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x15190
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1862
1480B	The Great Hero greedy, implementation, sortings	900	x16911
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9480
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2199
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x526
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2239
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6384
1475E	Advertising Agency combinatorics, math, sortings	1600	x12839
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9695
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12173
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32805
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2932
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7704
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26003
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21179
1468D	Firecrackers binary search, sortings	1700	x4456
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2789
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10762
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1436
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9197
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13169
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8887
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11967
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1482
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14417
1450A	Avoid Trygub constructive algorithms, sortings	800	x17471
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x14876
1445A	Array Rearrangment greedy, sortings	800	x18797
1444B	Divide and Sum combinatorics, math, sortings	1900	x6028
1443C	The Delivery Dilemma binary search, greedy, sortings	1400	x14928
1443B	Saving the City dp, greedy, math, sortings	1300	x15461
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18362
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10090
1430B	Barrels greedy, implementation, sortings	800	x19102
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3497
1427B	Chess Cheater greedy, implementation, sortings	1400	x10683
1427A	Avoiding Zero math, sortings	900	x16818
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15458
1424M	Ancient Language graphs, sortings	2200	x521