Problemset - Codeforces

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Problems

#	Name
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x8804
287B	Pipeline binary search, math	1700	x8825
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8832
490C	Hacking Cypher brute force, math, number theory, strings	1700	x8902
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x8918
1312D	Count the Arrays combinatorics, math	1700	x8947
1661C	Water the Trees binary search, greedy, math	1700	x8953
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x9055
1295B	Infinite Prefixes math, strings	1700	x9069
1658C	Shinju and the Lost Permutation constructive algorithms, math	1700	x9082
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9141
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9206
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9211
1451D	Circle Game games, geometry, math	1700	x9258
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9261
567C	Geometric Progression binary search, data structures, dp	1700	x9274
1684D	Traps constructive algorithms, greedy, sortings	1700	x9294
919D	Substring dfs and similar, dp, graphs	1700	x9309
1473D	Program data structures, dp, implementation, strings	1700	x9310
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9372
1699C	The Third Problem combinatorics, constructive algorithms, math	1700	x9384
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9485
1814B	Long Legs brute force, math	1700	x9504
493D	Vasya and Chess constructive algorithms, games, math	1700	x9508
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9513
4D	Mysterious Present dp, sortings	1700	x9673
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9802
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9929
1625C	Road Optimization dp	1700	x10038
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10229
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10255
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10359
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10360
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10417
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10420
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10437
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10450
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10600
484A	Bits bitmasks, constructive algorithms	1700	x10683
1467B	Hills And Valleys brute force, implementation	1700	x10703
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10763
1400B	RPG Protagonist brute force, greedy, math	1700	x10829
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10975
778A	String Game binary search, greedy, strings	1700	x11099
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11107
1628B	Peculiar Movie Preferences greedy, strings	1700	x11179
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11207
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11212
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11493
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11510
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x11562
1537D	Deleting Divisors games, math, number theory	1700	x11836
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11842
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12109
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12184
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12196
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12403
1324E	Sleeping Schedule dp, implementation	1700	x12558
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x12747
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12932
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x12947
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13030
295B	Greg and Graph dp, graphs, shortest paths	1700	x13085
1359C	Mixing Water binary search, math	1700	x13251
349B	Color the Fence data structures, dp, greedy, implementation	1700	x13482
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13818
467C	George and Job dp, implementation	1700	x14071
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16126
118D	Caesar's Legions dp	1700	x16660
977F	Consecutive Subsequence dp	1700	x16939
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x17732
339D	Xenia and Bit Operations data structures, trees	1700	x23620
474D	Flowers dp	1700	x23879
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34545
207D7	The Beaver's Problem - 3	1600	x95
207D5	The Beaver's Problem - 3	1600	x135
1115G3	Palindrome checker oracle *special problem	1600	x224
1115U2	Chessboard unitary *special problem	1600	x227
207B1	Military Trainings	1600	x257
72H	Reverse It! *special problem, implementation	1600	x258
100E	Lamps in a Line *special problem, math	1600	x265
130F	Prime factorization *special problem	1600	x272
207A1	Beaver's Calculator 1.0 greedy	1600	x273
130E	Tribonacci numbers *special problem	1600	x291
1115G2	OR oracle *special problem	1600	x305
683C	Symmetric Difference *special problem	1600	x314
683B	The Teacher of Physical Education *special problem	1600	x316
188G	Array Sorting *special problem, implementation	1600	x324
1002D3	Oracle for majority function	1600	x326
64C	Table *special problem, greedy, implementation, math	1600	x331
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x342
1002B3	Distinguish four 2-qubit states	1600	x405
1002B2	Distinguish GHZ state and W state	1600	x440
530D	Set subtraction *special problem	1600	x446
178C1	Smart Beaver and Resolving Collisions	1600	x471
1346D	Constructing the Dungeon *special problem, graphs, greedy	1600	x476
130H	Balanced brackets *special problem	1600	x500
530B	String inside out *special problem	1600	x537
1001E	Distinguish Bell states *special problem	1600	x551
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x569