Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
46:44:49
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Problems

#	Name
1234B2	Social Network (hard version) data structures, implementation	1300	x16970
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5230
1228C	Primes and Multiplication math, number theory	1700	x9075
1228B	Filling the Grid implementation, math	1400	x11561
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4409
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6450
1227C	Messy constructive algorithms	1700	x5533
1225D	Power Products hashing, math, number theory	1800	x8133
1225C	p-binary bitmasks, brute force, math	1600	x9031
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10754
1223C	Save the Nature binary search, greedy	1600	x8379
1221D	Make The Fence Great Again dp	1800	x9185
1220D	Alex and Julian bitmasks, math, number theory	1900	x3920
1220C	Substring Game in the Lesson games, greedy, strings	1300	x10291
1220B	Multiplication Table math, number theory	1300	x11655
1219C	Periodic integer number implementation, strings	1700	x1793
1218F	Workout plan data structures, greedy	1500	x2968
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7478
1217B	Zmei Gorynich greedy, math	1600	x11294
1217A	Creating a Character binary search, math	1300	x15052
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3461
1216D	Swords math	1300	x11175
1216C	White Sheet geometry, math	1700	x9320
1215D	Ticket Game games, greedy, math	1700	x6204
1215C	Swap Letters constructive algorithms, greedy	1500	x11279
1215B	The Number of Products combinatorics, dp, implementation	1400	x13160
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x5211
1214A	Optimal Currency Exchange brute force, math	1400	x9122
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x7390
1213E	Two Small Strings brute force, constructive algorithms	1900	x5203
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11481
1213D1	Equalizing by Division (easy version) brute force, implementation	1500	x11429
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	x5832
1210A	Anadi and Domino brute force, graphs	1700	x5172
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9465
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7538
1209B	Koala and Lights implementation, math, number theory	1300	x8179
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4943
1208C	Magic Grid constructive algorithms	1800	x6038
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10594
1207E	XOR Guessing bitmasks, interactive, math	1900	x6002
1207D	Number Of Permutations combinatorics	1800	x6116
1207C	Gas Pipeline dp, greedy	1500	x9887
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6714
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6736
1203E	Boxers greedy, sortings	1500	x13899
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7459
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8832
1203C	Common Divisors implementation, math	1300	x20827
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5125
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4578
1201C	Maximum Median binary search, greedy, math, sortings	1400	x24127
1201B	Zero Array greedy, math	1500	x19128
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x4146
1200C	Round Corridor math, number theory	1400	x9913
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9499
1198A	MP3 sortings, two pointers	1600	x9048
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5428
1197C	Array Splitting greedy, sortings	1400	x13970
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3745
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9755
1196D1	RGB Substring (easy version) implementation	1500	x10581
1196C	Robot Breakout implementation	1500	x9358
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4672
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7903
1195C	Basketball Exercise dp	1400	x26465
1194D	1-2-K Game games, math	1700	x6583
1194C	From S To T implementation, strings	1300	x13274
1194B	Yet Another Crosses Problem implementation	1300	x10320
1190B	Tokitsukaze, CSL and Stone Game games	1800	x6466
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9393
1189C	Candies! data structures, dp, implementation, math	1400	x10624
1188A1	Add on a Tree trees	1600	x8445
1187C	Vasya And Array constructive algorithms, greedy, implementation	1800	x6378
1187B	Letters Shop binary search, implementation, strings	1300	x12299
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8962
1186C	Vus the Cossack and Strings implementation, math	1800	x6140
1185D	Extra Element implementation, math	1700	x6745
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7478
1184E1	Daleks' Invasion (easy) graphs, trees	1900	x1626
1184D1	Parallel Universes (Easy) implementation	1600	x2538
1184C1	Heidi and the Turing Test (Easy) implementation	1600	x2300
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5416
1183H	Subsequences (hard version) dp, strings	1900	x3200
1183D	Candy Box (easy version) greedy, sortings	1400	x14576
1183C	Computer Game binary search, math	1400	x14052
1182C	Beautiful Lyrics data structures, greedy, strings	1700	x4427
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x11177
1181C	Flag brute force, combinatorics, dp, implementation	1900	x3155
1181B	Split a Number greedy, implementation, strings	1500	x6321
1180B	Nick and Array greedy, implementation	1500	x9592
1179B	Tolik and His Uncle constructive algorithms	1800	x4391
1179A	Valeriy and Deque data structures, implementation	1500	x10645
1178E	Archaeology brute force, constructive algorithms, greedy, strings	1900	x4336
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7434
1178C	Tiles combinatorics, greedy, math	1300	x12023
1178B	WOW Factor dp, strings	1300	x15544
1177B	Digits Sequence (Hard Edition) binary search, divide and conquer, implementation	1800	x2592