Problemset - Codeforces

Problems

#	Name
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x766
1221F	Choose a Square binary search, data structures, sortings	2400	x1061
1221E	Game With String games	2500	x1097
1221D	Make The Fence Great Again dp	1800	x9199
1220G	Geolocation geometry	3400	x54
1220F	Gardener Alex binary search, data structures	2700	x720
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x2799
1220D	Alex and Julian bitmasks, math, number theory	1900	x3921
1219G	Harvester implementation	2000	x670
1219C	Periodic integer number implementation, strings	1700	x1802
1218I	The Light Square 2-sat, dfs and similar, greedy	2100	x610
1218H	Function Composition dfs and similar	2900	x134
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x100
1218E	Product Tuples divide and conquer, fft	2500	x383
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x507
1218C	Jumping Transformers dp	2600	x184
1218B	Guarding warehouses data structures, geometry	3000	x73
1218A	BubbleReactor dp, graphs	2800	x159
1217F	Forced Online Queries Problem data structures, divide and conquer, dsu, graphs, trees	2600	x600
1217E	Sum Queries? data structures, greedy, implementation, math	2300	x1899
1217D	Coloring Edges constructive algorithms, dfs and similar, graphs	2100	x5401
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7484
1217B	Zmei Gorynich greedy, math	1600	x11302
1216F	Wi-Fi data structures, dp, greedy	2100	x2709
1216E2	Numerical Sequence (hard version) binary search, math	2200	x1493
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3467
1216C	White Sheet geometry, math	1700	x9331
1215F	Radio Stations 2-sat	2700	x995
1215E	Marbles bitmasks, dp	2200	x3065
1215D	Ticket Game games, greedy, math	1700	x6207
1214H	Tiles Placement constructive algorithms, dfs and similar, trees	2800	x403
1214G	Feeling Good bitmasks, data structures	3200	x311
1214F	Employment greedy, sortings	2700	x461
1214E	Petya and Construction Set constructive algorithms, graphs, math, sortings, trees	2000	x2710
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x5217
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x7406
1213F	Unstable String Sort data structures, dfs and similar, dsu, graphs, greedy, implementation, strings	2100	x2619
1213E	Two Small Strings brute force, constructive algorithms	1900	x5206
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11489
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
1210G	Mateusz and Escape Room dp	3500	x176
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x224
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x215
1210E	Wojtek and Card Tricks math	2700	x409
1210D	Konrad and Company Evaluation graphs	2400	x1518
1210C	Kamil and Making a Stream math, number theory, trees	2000	x3356
1210B	Marcin and Training Camp brute force, greedy	1700	x5833
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	x453
1209G1	Into Blocks (easy version) data structures, dsu, greedy, implementation, two pointers	2000	x3271
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	x1988
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2988
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9472
1208H	Red Blue Tree data structures, implementation, trees	3500	x153
1208G	Polygons greedy, math, number theory	2800	x778
1208F	Bits And Pieces bitmasks, dfs and similar, dp, greedy	2600	x2545
1208E	Let Them Slide data structures, implementation	2200	x2050
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4952
1208C	Magic Grid constructive algorithms	1800	x6052
1207G	Indie Album data structures, dfs and similar, hashing, string suffix structures, strings, trees	2700	x1040
1207F	Remainder Problem brute force, data structures, implementation	2100	x5401
1207E	XOR Guessing bitmasks, interactive, math	1900	x6010
1207D	Number Of Permutations combinatorics	1800	x6119
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	x663
1205C	Palindromic Paths implementation, interactive	2400	x1182
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6738
1204E	Natasha, Sasha and the Prefix Sums combinatorics, dp, math, number theory	2300	x1696
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	x6739
1203F2	Complete the Projects (hard version) dp, greedy	2300	x2929
1203F1	Complete the Projects (easy version) greedy	2100	x3590
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7468
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8841
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x415
1202E	You Are Given Some Strings... brute force, string suffix structures, strings	2400	x2155
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5131
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
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	x2377
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	x7821
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x4148
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x896
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x1186
1198D	Rectangle Painting 1 dp	2300	x3318
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3597
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9504