Problemset - Codeforces

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Problems

#	Name
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x17039
1400B	RPG Protagonist brute force, greedy, math	1700	x11019
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17961
1398D	Colored Rectangles dp, greedy, sortings	1800	x11203
1398C	Good Subarrays data structures, dp, math	1600	x25283
1397B	Power Sequence brute force, math, number theory, sortings	1500	x14541
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x11135
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x15210
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13836
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6586
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10395
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16451
1392D	Omkar and Bed Wars dp, greedy	1700	x8631
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14783
1389C	Good String brute force, dp, greedy, two pointers	1500	x18680
1389B	Array Walk brute force, dp, greedy	1600	x16268
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9496
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18896
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10379
1381B	Unmerge dp	1800	x8668
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x12975
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x20401
1380B	Universal Solution greedy	1400	x14459
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12572
1379A	Acacius and String brute force, implementation, strings	1500	x11719
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20902
1374E1	Reading Books (easy version) data structures, greedy, sortings	1600	x13877
1374D	Zero Remainder Array math, sortings, two pointers	1400	x23163
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x15427
1372C	Omkar and Baseball constructive algorithms, math	1500	x17654
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x12910
1370C	Number Game games, math, number theory	1400	x24213
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19418
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x11603
1368C	Even Picture constructive algorithms	1500	x13257
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19477
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x8263
1366C	Palindromic Paths greedy, math	1500	x13466
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16870
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22851
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x13014
1363C	Game On Leaves games, trees	1600	x18383
1363B	Subsequence Hate implementation, strings	1400	x23351
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x17893
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8372
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x12224
1359C	Mixing Water binary search, math	1700	x13645
1358C	Celex Update math	1600	x17221
1355D	Game With Array constructive algorithms, math	1400	x17870
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10544
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15588
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17857
1352G	Special Permutation constructive algorithms	1600	x20706
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16813
1352E	Special Elements brute force, implementation, two pointers	1500	x20078
1351C	Skier data structures, implementation	1400	x8482
1350B	Orac and Models dp, math, number theory	1400	x21485
1349A	Orac and LCM data structures, math, number theory	1600	x16642
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14510
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x25057
1346E	Magic Tricks *special problem, dp, graphs	1700	x375
1346D	Constructing the Dungeon *special problem, graphs, greedy	1600	x486
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x589
1346B	Boot Camp *special problem, greedy	1400	x1188
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15541
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12524
1342C	Yet Another Counting Problem math, number theory	1600	x13931
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7807
1340A	Nastya and Strange Generator brute force, data structures, greedy, implementation	1500	x13378
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x8371
1338A	Powered Addition greedy, math	1500	x23455
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x11290
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x20008
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x8259
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10748
1334D	Minimum Euler Cycle constructive algorithms, graphs, greedy, implementation	1800	x7238
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16448
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12483
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x8136
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x16274
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17465
1330B	Dreamoon Likes Permutations implementation, math	1400	x13965
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x6602
1329A	Dreamoon Likes Coloring constructive algorithms, greedy, implementation, math	1800	x9035
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x12976
1327E	Count The Blocks combinatorics, dp, math	1800	x8832
1327C	Game with Chips constructive algorithms, implementation	1600	x13328
1326D2	Prefix-Suffix Palindrome (Hard version) binary search, greedy, hashing, string suffix structures, strings	1800	x10000
1326D1	Prefix-Suffix Palindrome (Easy version) hashing, string suffix structures, strings	1500	x11981
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x11931
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x13410
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9645
1324E	Sleeping Schedule dp, implementation	1700	x13144
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x27638
1323B	Count Subrectangles binary search, greedy, implementation	1500	x8839
1321C	Remove Adjacent brute force, constructive algorithms, greedy, strings	1600	x9761
1320B	Navigation System dfs and similar, graphs, shortest paths	1700	x5971
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x16000
1316C	Primitive Primes constructive algorithms, math, ternary search	1800	x7236
1316B	String Modification brute force, constructive algorithms, implementation, sortings, strings	1400	x11208