Problemset - Codeforces

Problems

#	Name
1238D	AB-string binary search, combinatorics, dp, strings	1900	x6068
1238C	Standard Free2play dp, greedy, math	1600	x7450
1238B	Kill `Em All greedy, sortings	1300	x13688
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4356
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6115
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x16323
1236C	Labs constructive algorithms, greedy, implementation	1300	x10180
1236B	Alice and the List of Presents combinatorics, math	1500	x11146
1234D	Distinct Characters Queries data structures	1600	x15361
1234C	Pipes dp, implementation	1500	x12677
1234B2	Social Network (hard version) data structures, implementation	1300	x16986
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5232
1228C	Primes and Multiplication math, number theory	1700	x9081
1228B	Filling the Grid implementation, math	1400	x11562
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4411
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6453
1227C	Messy constructive algorithms	1700	x5538
1225D	Power Products hashing, math, number theory	1800	x8168
1225C	p-binary bitmasks, brute force, math	1600	x9038
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10760
1223C	Save the Nature binary search, greedy	1600	x8393
1221D	Make The Fence Great Again dp	1800	x9199
1220D	Alex and Julian bitmasks, math, number theory	1900	x3921
1220C	Substring Game in the Lesson games, greedy, strings	1300	x10294
1220B	Multiplication Table math, number theory	1300	x11657
1219C	Periodic integer number implementation, strings	1700	x1802
1218F	Workout plan data structures, greedy	1500	x2970
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7483
1217B	Zmei Gorynich greedy, math	1600	x11302
1217A	Creating a Character binary search, math	1300	x15057
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3467
1216D	Swords math	1300	x11182
1216C	White Sheet geometry, math	1700	x9331
1215D	Ticket Game games, greedy, math	1700	x6207
1215C	Swap Letters constructive algorithms, greedy	1500	x11289
1215B	The Number of Products combinatorics, dp, implementation	1400	x13192
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x5217
1214A	Optimal Currency Exchange brute force, math	1400	x9124
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x7406
1213E	Two Small Strings brute force, constructive algorithms	1900	x5206
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11489
1213D1	Equalizing by Division (easy version) brute force, implementation	1500	x11433
1211C	Ice Cream *special problem, greedy, sortings	1700	x489
1211B	Traveling Around the Golden Ring of Berland *special problem, implementation	1500	x765
1210B	Marcin and Training Camp brute force, greedy	1700	x5833
1210A	Anadi and Domino brute force, graphs	1700	x5172
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9471
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7541
1209B	Koala and Lights implementation, math, number theory	1300	x8181
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4952
1208C	Magic Grid constructive algorithms	1800	x6052
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10604
1207E	XOR Guessing bitmasks, interactive, math	1900	x6010
1207D	Number Of Permutations combinatorics	1800	x6119
1207C	Gas Pipeline dp, greedy	1500	x9887
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6737
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6738
1203E	Boxers greedy, sortings	1500	x13920
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7468
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8841
1203C	Common Divisors implementation, math	1300	x20871
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5131
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4579
1201C	Maximum Median binary search, greedy, math, sortings	1400	x24221
1201B	Zero Array greedy, math	1500	x19162
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x4148
1200C	Round Corridor math, number theory	1400	x9914
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9504
1198A	MP3 sortings, two pointers	1600	x9049
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5429
1197C	Array Splitting greedy, sortings	1400	x13976
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3747
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9761
1196D1	RGB Substring (easy version) implementation	1500	x10587
1196C	Robot Breakout implementation	1500	x9365
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4675
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7905
1195C	Basketball Exercise dp	1400	x26536
1194D	1-2-K Game games, math	1700	x6604
1194C	From S To T implementation, strings	1300	x13279
1194B	Yet Another Crosses Problem implementation	1300	x10343
1190B	Tokitsukaze, CSL and Stone Game games	1800	x6470
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9394
1189C	Candies! data structures, dp, implementation, math	1400	x10624
1188A1	Add on a Tree trees	1600	x8448
1187C	Vasya And Array constructive algorithms, greedy, implementation	1800	x6382
1187B	Letters Shop binary search, implementation, strings	1300	x12303
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8970
1186C	Vus the Cossack and Strings implementation, math	1800	x6141
1185D	Extra Element implementation, math	1700	x6747
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7482
1184E1	Daleks' Invasion (easy) graphs, trees	1900	x1628
1184D1	Parallel Universes (Easy) implementation	1600	x2548
1184C1	Heidi and the Turing Test (Easy) implementation	1600	x2302
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5437
1183H	Subsequences (hard version) dp, strings	1900	x3202
1183D	Candy Box (easy version) greedy, sortings	1400	x14620
1183C	Computer Game binary search, math	1400	x14063
1182C	Beautiful Lyrics data structures, greedy, strings	1700	x4428
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x11182