Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
26:24:25
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Problems

#	Name
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1288
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x581
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12226
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x11020
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10391
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10272
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10242
4D	Mysterious Present dp, sortings	1700	x9700
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9498
1684D	Traps constructive algorithms, greedy, sortings	1700	x9332
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9229
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8852
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8847
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8718
382C	Arithmetic Progression implementation, sortings	1700	x8163
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8157
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8116
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7863
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7735
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7532
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x7264
632C	The Smallest String Concatenation sortings, strings	1700	x7261
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7216
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6771
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6745
1000C	Covered Points Count data structures, implementation, sortings	1700	x6450
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6445
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5909
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5809
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5667
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5488
732D	Exams binary search, greedy, sortings	1700	x5405
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5149
1310A	Recommendations data structures, greedy, sortings	1700	x4977
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4653
1468D	Firecrackers binary search, sortings	1700	x4469
978G	Petya's Exams greedy, implementation, sortings	1700	x4210
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3944
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x3943
729C	Road to Cinema binary search, greedy, sortings	1700	x3850
631C	Report data structures, sortings	1700	x3742
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3490
895B	XK Segments binary search, math, sortings, two pointers	1700	x3426
160C	Find Pair implementation, math, sortings	1700	x3384
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2320
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2234
925B	Resource Distribution binary search, implementation, sortings	1700	x2177
161B	Discounts constructive algorithms, greedy, sortings	1700	x1923
131E	Yet Another Task with Queens sortings	1700	x1814
81C	Average Score greedy, math, sortings	1700	x1626
216D	Spider's Web binary search, sortings, two pointers	1700	x1328
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x988
1211C	Ice Cream *special problem, greedy, sortings	1700	x478
1398D	Colored Rectangles dp, greedy, sortings	1800	x11020
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10132
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9756
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9534
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8869
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8558
1286A	Garland dp, greedy, sortings	1800	x8409
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7985
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7678
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7577
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7346
1619D	New Year's Problem binary search, greedy, sortings	1800	x7289
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7191
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7122
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6640
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6599
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6571
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6463
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6447
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6329
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6136
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6115
1154E	Two Teams data structures, implementation, sortings	1800	x6042
1801B	Buying gifts data structures, greedy, sortings	1800	x5827
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5777
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5460
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5244
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5225
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5138
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5011
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4958
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x4892
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4866
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4654
1119D	Frets On Fire binary search, sortings	1800	x4508
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4502
1907F	Shift and Reverse greedy, sortings	1800	x4412
1077E	Thematic Contests greedy, sortings	1800	x4365
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4239
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4161
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4106
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3898
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3844
652D	Nested Segments data structures, sortings	1800	x3808
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3771
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3724
612D	The Union of k-Segments greedy, sortings	1800	x3690