Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
17:09:51
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Problems

#	Name
1213F	Unstable String Sort data structures, dfs and similar, dsu, graphs, greedy, implementation, strings	2100	x2610
1213E	Two Small Strings brute force, constructive algorithms	1900	x5203
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11483
1213D1	Equalizing by Division (easy version) brute force, implementation	1500	x11429
1213C	Book Reading math	1200	x18539
1213B	Bad Prices data structures, implementation	1100	x26896
1213A	Chips Moving math	900	x24161
1211I	Unusual Graph *special problem, graphs	3000	x40
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3100	x45
1211G	King's Path *special problem, math, trees	2500	x71
1211F	kotlinkotlinkotlinkotlin... *special problem, graphs, implementation, strings	2300	x124
1211E	Double Permutation Inc. *special problem, binary search, greedy	2000	x194
1211D	Teams *special problem, binary search, greedy, math	2000	x230
1211C	Ice Cream *special problem, greedy, sortings	1700	x489
1211B	Traveling Around the Golden Ring of Berland *special problem, implementation	1500	x765
1211A	Three Problems *special problem, implementation	1000	x1425
1210G	Mateusz and Escape Room dp	3500	x176
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x217
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x208
1210E	Wojtek and Card Tricks math	2700	x408
1210D	Konrad and Company Evaluation graphs	2400	x1518
1210C	Kamil and Making a Stream math, number theory, trees	2000	x3354
1210B	Marcin and Training Camp brute force, greedy	1700	x5832
1210A	Anadi and Domino brute force, graphs	1700	x5172
1209H	Moving Walkways data structures, greedy, math	3300	x142
1209G2	Into Blocks (hard version) data structures	3200	x449
1209G1	Into Blocks (easy version) data structures, dsu, greedy, implementation, two pointers	2000	x3260
1209F	Koala and Notebook data structures, dfs and similar, graphs, shortest paths, strings, trees	2600	x1181
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1984
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2985
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9467
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7538
1209B	Koala and Lights implementation, math, number theory	1300	x8179
1209A	Paint the Numbers greedy, implementation, math	800	x12243
1208H	Red Blue Tree data structures, implementation, trees	3500	x153
1208G	Polygons greedy, math, number theory	2800	x772
1208F	Bits And Pieces bitmasks, dfs and similar, dp, greedy	2600	x2540
1208E	Let Them Slide data structures, implementation	2200	x2048
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4949
1208C	Magic Grid constructive algorithms	1800	x6040
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10596
1208A	XORinacci math	900	x16877
1207G	Indie Album data structures, dfs and similar, hashing, string suffix structures, strings, trees	2700	x1038
1207F	Remainder Problem brute force, data structures, implementation	2100	x5358
1207E	XOR Guessing bitmasks, interactive, math	1900	x6002
1207D	Number Of Permutations combinatorics	1800	x6118
1207C	Gas Pipeline dp, greedy	1500	x9887
1207B	Square Filling constructive algorithms, greedy, implementation	1200	x13300
1207A	There Are Two Types Of Burgers brute force, greedy, implementation, math	800	x21958
1206B	Make Product Equal One dp, implementation	900	x27045
1206A	Choose Two Numbers math, sortings	800	x24529
1205F	Beauty of a Permutation constructive algorithms, math	3400	x123
1205E	Expected Value Again combinatorics, strings	3100	x284
1205D	Almost All constructive algorithms, trees	2700	x662
1205C	Palindromic Paths implementation, interactive	2400	x1181
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6721
1205A	Almost Equal constructive algorithms, greedy, math	1200	x14191
1204E	Natasha, Sasha and the Prefix Sums combinatorics, dp, math, number theory	2300	x1694
1204D2	Kirk and a Binary String (hard version) data structures, greedy, math, strings	2100	x3256
1204D1	Kirk and a Binary String (easy version) brute force, greedy, strings	2000	x3085
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6736
1204B	Mislove Has Lost an Array greedy, math	900	x17564
1204A	BowWow and the Timetable math	1000	x20998
1203F2	Complete the Projects (hard version) dp, greedy	2300	x2926
1203F1	Complete the Projects (easy version) greedy	2100	x3584
1203E	Boxers greedy, sortings	1500	x13902
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	x20830
1203B	Equal Rectangles greedy, math	1200	x16035
1203A	Circle of Students implementation	1000	x16729
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x413
1202E	You Are Given Some Strings... brute force, string suffix structures, strings	2400	x2147
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5126
1202C	You Are Given a WASD-string... brute force, data structures, dp, greedy, implementation, math, strings	2100	x2580
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4579
1202A	You Are Given Two Binary Strings... bitmasks, greedy	1100	x9408
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x147
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x132
1201D	Treasure Hunting binary search, dp, greedy, implementation	2100	x2373
1201C	Maximum Median binary search, greedy, math, sortings	1400	x24140
1201B	Zero Array greedy, math	1500	x19134
1201A	Important Exam implementation, strings	900	x15759
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x1082
1200E	Compress Words brute force, hashing, implementation, string suffix structures, strings	2000	x7805
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x4146
1200C	Round Corridor math, number theory	1400	x9913
1200B	Block Adventure dp, greedy	1200	x14013
1200A	Hotelier brute force, data structures, implementation	800	x20480
1199B	Water Lily geometry, math	1000	x20692
1199A	City Day implementation	1000	x14950
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x892
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x1186
1198D	Rectangle Painting 1 dp	2300	x3311
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3591
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9499
1198A	MP3 sortings, two pointers	1600	x9049
1197F	Coloring Game dp, games, matrices	2700	x261
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1689
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5428