Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
19:20:01
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Problems

#	Name
1244A	Pens and Pencils math	800	x19162
1242D	Number Discovery math	3400	x199
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12560
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7337
1238C	Standard Free2play dp, greedy, math	1600	x7408
1238A	Prime Subtraction math, number theory	900	x24219
1237E	Balanced Binary Search Trees dp, math	2400	x1320
1237A	Balanced Rating Changes implementation, math	1000	x19716
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x177
1236B	Alice and the List of Presents combinatorics, math	1500	x11024
1236A	Stones brute force, greedy, math	800	x16274
1234E	Special Permutations math	2000	x2776
1234A	Equalize Prices Again math	800	x27795
1228E	Another Filling the Grid combinatorics, dp, math	2300	x2714
1228C	Primes and Multiplication math, number theory	1700	x9014
1228B	Filling the Grid implementation, math	1400	x11503
1227F2	Wrong Answer on test 233 (Hard Version) combinatorics, math	2400	x1495
1227A	Math Problem math	1100	x9789
1225D	Power Products hashing, math, number theory	1800	x7948
1225C	p-binary bitmasks, brute force, math	1600	x8942
1225A	Forgetting Things math	900	x15794
1223G	Wooden Raft binary search, math, number theory	3200	x250
1223A	CME math	800	x21585
1221C	Perfect Team binary search, math	1200	x20966
1221A	2048 Game brute force, greedy, math	1000	x16793
1220D	Alex and Julian bitmasks, math, number theory	1900	x3886
1220B	Multiplication Table math, number theory	1300	x11592
1217E	Sum Queries? data structures, greedy, implementation, math	2300	x1876
1217B	Zmei Gorynich greedy, math	1600	x11182
1217A	Creating a Character binary search, math	1300	x14941
1216E2	Numerical Sequence (hard version) binary search, math	2200	x1455
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3430
1216D	Swords math	1300	x11118
1216C	White Sheet geometry, math	1700	x9188
1215D	Ticket Game games, greedy, math	1700	x6084
1215A	Yellow Cards greedy, implementation, math	1000	x11519
1214E	Petya and Construction Set constructive algorithms, graphs, math, sortings, trees	2000	x2692
1214B	Badges brute force, math	1100	x10831
1214A	Optimal Currency Exchange brute force, math	1400	x9083
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11425
1213C	Book Reading math	1200	x18397
1213A	Chips Moving math	900	x24025
1211G	King's Path *special problem, math, trees	2500	x71
1211D	Teams *special problem, binary search, greedy, math	2000	x229
1210E	Wojtek and Card Tricks math	2700	x406
1210C	Kamil and Making a Stream math, number theory, trees	2000	x3321
1209H	Moving Walkways data structures, greedy, math	3300	x141
1209B	Koala and Lights implementation, math, number theory	1300	x8154
1209A	Paint the Numbers greedy, implementation, math	800	x12186
1208G	Polygons greedy, math, number theory	2800	x753
1208A	XORinacci math	900	x16712
1207E	XOR Guessing bitmasks, interactive, math	1900	x5890
1207A	There Are Two Types Of Burgers brute force, greedy, implementation, math	800	x21715
1206A	Choose Two Numbers math, sortings	800	x24260
1205F	Beauty of a Permutation constructive algorithms, math	3400	x123
1205A	Almost Equal constructive algorithms, greedy, math	1200	x14107
1204E	Natasha, Sasha and the Prefix Sums combinatorics, dp, math, number theory	2300	x1657
1204D2	Kirk and a Binary String (hard version) data structures, greedy, math, strings	2100	x3231
1204B	Mislove Has Lost an Array greedy, math	900	x17493
1204A	BowWow and the Timetable math	1000	x20790
1203C	Common Divisors implementation, math	1300	x20500
1203B	Equal Rectangles greedy, math	1200	x15933
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x395
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5091
1202C	You Are Given a WASD-string... brute force, data structures, dp, greedy, implementation, math, strings	2100	x2530
1201C	Maximum Median binary search, greedy, math, sortings	1400	x23344
1201B	Zero Array greedy, math	1500	x18699
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x1068
1200C	Round Corridor math, number theory	1400	x9852
1199B	Water Lily geometry, math	1000	x20402
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5366
1197A	DIY Wooden Ladder greedy, math, sortings	900	x13506
1196B	Odd Sum Segments constructive algorithms, math	1200	x16550
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27663
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x890
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4652
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7878
1195B	Sport Mafia binary search, brute force, math	1000	x19641
1195A	Drinks Choosing greedy, math	1000	x12979
1194D	1-2-K Game games, math	1700	x6493
1194A	Remove a Progression math	800	x16191
1193A	Amusement Park *special problem, dp, math		x271
1189C	Candies! data structures, dp, implementation, math	1400	x10564
1189B	Number Circle greedy, math, sortings	1100	x14182
1188B	Count Pairs math, matrices, number theory, two pointers	2300	x4493
1187F	Expected Square Beauty dp, math, probabilities	2500	x871
1187A	Stickers and Toys math	900	x14852
1186E	Vus the Cossack and a Field divide and conquer, implementation, math	2500	x624
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8920
1186C	Vus the Cossack and Strings implementation, math	1800	x6100
1185D	Extra Element implementation, math	1700	x6712
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7451
1185A	Ropewalkers math	800	x14866
1184D2	Parallel Universes (Hard) math, matrices	3100	x106
1184A3	Heidi Learns Hashing (Hard) fft, math, number theory	3100	x139
1184A1	Heidi Learns Hashing (Easy) brute force, math, number theory	1200	x5936
1183F	Topforces Strikes Back brute force, math, sortings	2100	x2011
1183C	Computer Game binary search, math	1400	x13945
1183B	Equalize Prices math	900	x18466
1182E	Product Oriented Recurrence dp, math, matrices, number theory	2300	x2802