Problemset - Codeforces

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Problems

#	Name
1253B	Silly Mistake greedy, implementation	1400	x11184
1252H	Twin Buildings greedy, implementation	1800	x2629
1252C	Even Path data structures, implementation	1600	x3718
1251C	Minimize The Integer greedy, two pointers	1600	x12392
1251B	Binary Palindromes greedy, strings	1400	x11011
1250L	Divide The Students binary search, greedy, math	1500	x4098
1250J	The Parade binary search, greedy	1800	x2934
1250H	Happy Birthday math	1500	x4052
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2608
1250A	Berstagram implementation	1400	x4079
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9678
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x5242
1249D1	Too Many Segments (easy version) greedy	1800	x5111
1249C2	Good Numbers (hard version) binary search, greedy, math, meet-in-the-middle	1500	x12619
1245C	Constanze's Machine dp	1400	x17509
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7561
1243B2	Character Swap (Hard Version) strings	1600	x7087
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12582
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7363
1238C	Standard Free2play dp, greedy, math	1600	x7416
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6083
1236B	Alice and the List of Presents combinatorics, math	1500	x11048
1234D	Distinct Characters Queries data structures	1600	x14998
1234C	Pipes dp, implementation	1500	x12594
1228C	Primes and Multiplication math, number theory	1700	x9027
1228B	Filling the Grid implementation, math	1400	x11512
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4332
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6400
1227C	Messy constructive algorithms	1700	x5521
1225D	Power Products hashing, math, number theory	1800	x7973
1225C	p-binary bitmasks, brute force, math	1600	x8952
1223C	Save the Nature binary search, greedy	1600	x8315
1221D	Make The Fence Great Again dp	1800	x9078
1219C	Periodic integer number implementation, strings	1700	x1783
1218F	Workout plan data structures, greedy	1500	x2938
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7449
1217B	Zmei Gorynich greedy, math	1600	x11200
1216C	White Sheet geometry, math	1700	x9209
1215D	Ticket Game games, greedy, math	1700	x6148
1215C	Swap Letters constructive algorithms, greedy	1500	x11190
1215B	The Number of Products combinatorics, dp, implementation	1400	x12949
1214A	Optimal Currency Exchange brute force, math	1400	x9089
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x7233
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11433
1213D1	Equalizing by Division (easy version) brute force, implementation	1500	x11377
1211C	Ice Cream *special problem, greedy, sortings	1700	x486
1211B	Traveling Around the Golden Ring of Berland *special problem, implementation	1500	x763
1210B	Marcin and Training Camp brute force, greedy	1700	x5824
1210A	Anadi and Domino brute force, graphs	1700	x5162
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9277
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7495
1208C	Magic Grid constructive algorithms	1800	x6004
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10392
1207D	Number Of Permutations combinatorics	1800	x6081
1207C	Gas Pipeline dp, greedy	1500	x9851
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6677
1203E	Boxers greedy, sortings	1500	x13823
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7378
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8756
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4564
1201C	Maximum Median binary search, greedy, math, sortings	1400	x23512
1201B	Zero Array greedy, math	1500	x18779
1200C	Round Corridor math, number theory	1400	x9863
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9446
1198A	MP3 sortings, two pointers	1600	x9013
1197C	Array Splitting greedy, sortings	1400	x13884
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3729
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9710
1196D1	RGB Substring (easy version) implementation	1500	x10519
1196C	Robot Breakout implementation	1500	x9331
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4658
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7885
1195C	Basketball Exercise dp	1400	x25778
1194D	1-2-K Game games, math	1700	x6508
1190B	Tokitsukaze, CSL and Stone Game games	1800	x6436
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9359
1189C	Candies! data structures, dp, implementation, math	1400	x10573
1188A1	Add on a Tree trees	1600	x8402
1187C	Vasya And Array constructive algorithms, greedy, implementation	1800	x6361
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8929
1186C	Vus the Cossack and Strings implementation, math	1800	x6110
1185D	Extra Element implementation, math	1700	x6719
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7454
1184D1	Parallel Universes (Easy) implementation	1600	x2530
1184C1	Heidi and the Turing Test (Easy) implementation	1600	x2293
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5240
1183D	Candy Box (easy version) greedy, sortings	1400	x14264
1183C	Computer Game binary search, math	1400	x13953
1182C	Beautiful Lyrics data structures, greedy, strings	1700	x4421
1181B	Split a Number greedy, implementation, strings	1500	x6310
1180B	Nick and Array greedy, implementation	1500	x9547
1179B	Tolik and His Uncle constructive algorithms	1800	x4370
1179A	Valeriy and Deque data structures, implementation	1500	x10498
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7390
1177B	Digits Sequence (Hard Edition) binary search, divide and conquer, implementation	1800	x2562
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x11025
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5272
1175C	Electrification binary search, brute force, greedy	1600	x6775
1175B	Catch Overflow! data structures, expression parsing, implementation	1600	x10635
1172A	Nauuo and Cards greedy, implementation	1800	x4979