Problemset - Codeforces

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Codeforces Round 972 (Div. 2)
38:00:21
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Problems

#	Name
1474F	1 2 3 4 ... dp, math, matrices	3000	x244
1474D	Cleaning data structures, dp, greedy, math	2200	x3970
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x28315
1473G	Tiles combinatorics, dp, fft, math	2800	x389
1473F	Strange Set flows, math	2700	x949
1473C	No More Inversions constructive algorithms, math	1500	x12646
1473B	String LCM brute force, math, number theory, strings	1000	x31197
1473A	Replacing Elements greedy, implementation, math, sortings	800	x33551
1472B	Fair Division dp, greedy, math	800	x49784
1472A	Cards for Friends greedy, math	800	x41779
1471B	Strange List brute force, greedy, implementation, math	1100	x19306
1471A	Strange Partition greedy, math, number theory	900	x25955
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6295
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9397
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x318
1468I	Plane Tiling geometry, implementation, math	2500	x495
1468H	K and Medians constructive algorithms, greedy, math	2200	x1786
1467D	Sum of Paths combinatorics, dp, math	2200	x3664
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x24276
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x272
1466G	Song of the Sirens combinatorics, divide and conquer, hashing, math, string suffix structures, strings	2600	x920
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2863
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x7274
1466A	Bovine Dilemma brute force, geometry, math	800	x22500
1463F	Max Correct Set bitmasks, dp, math	3100	x579
1463A	Dungeon binary search, math	1100	x25440
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9639
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13676
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x16675
1462C	Unique Number brute force, greedy, math	900	x32385
1461E	Water Level brute force, graphs, greedy, implementation, math	2200	x2100
1461C	Random Events dp, math, probabilities	1500	x11165
1459B	Move and Turn dp, math	1300	x14672
1459A	Red-Blue Shuffle math, probabilities	800	x16979
1458C	Latin Square math, matrices	2700	x1304
1458A	Row GCD math, number theory	1600	x17492
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1515
1455C	Ping-pong constructive algorithms, games, math	1100	x19539
1455B	Jumps constructive algorithms, math	1200	x21757
1455A	Strange Functions math, number theory	800	x26367
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x20327
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4142
1452D	Radio Towers combinatorics, dp, math	1600	x7939
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14667
1452A	Robot Program math	800	x22059
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2950
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x4339
1451D	Circle Game games, geometry, math	1700	x9494
1451A	Subtract or Divide greedy, math	800	x24166
1450H2	Multithreading (Hard Version) combinatorics, implementation, math	3300	x217
1450H1	Multithreading (Easy Version) combinatorics, fft, math	2900	x433
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms, math	2300	x3685
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms, math	2100	x5483
1447B	Numbers Box greedy, math	1000	x16408
1447A	Add Candies constructive algorithms, math	800	x13775
1445B	Elimination greedy, math	900	x15248
1444B	Divide and Sum combinatorics, math, sortings	1900	x6271
1444A	Division brute force, math, number theory	1500	x12969
1443E	Long Permutation brute force, math, two pointers	2400	x1246
1443B	Saving the City dp, greedy, math, sortings	1300	x15740
1443A	Kids Seating constructive algorithms, math	800	x16206
1440B	Sum of Medians greedy, math	900	x18686
1440A	Buy the String implementation, math	800	x19701
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4168
1437F	Emotional Fishermen combinatorics, dp, math, two pointers	2600	x1216
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10435
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17996
1436F	Sum Over Subsets combinatorics, math, number theory	2800	x522
1436B	Prime Square constructive algorithms, math	900	x20529
1436A	Reorder math	800	x22643
1433E	Two Round Dances combinatorics, math	1300	x18392
1433A	Boring Apartments implementation, math	800	x51950
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x687
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x24349
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20846
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3621
1428A	Box is Pull math	800	x16283
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1398
1427A	Avoiding Zero math, sortings	900	x17191
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7392
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19330
1426A	Floor Number implementation, math	800	x47628
1425D	Danger of Mad Snakes combinatorics, dp, math	2300	x828
1425C	Captain of Knights math	3100	x41
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4826
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x769
1423F	Coins math	2700	x375
1422F	Boring Queries data structures, math, number theory	2700	x1018
1422C	Bargain combinatorics, dp, math	1700	x8204
1422B	Nice Matrix greedy, implementation, math	1300	x14376
1422A	Fence geometry, math	800	x20850
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4148
1421A	XORwice bitmasks, greedy, math	800	x28733
1420B	Rock and Lever bitmasks, math	1200	x25477
1420A	Cubes Sorting math, sortings	900	x23313
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3250
1419C	Killjoy greedy, implementation, math	1500	x15332
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x16205
1418F	Equal Product data structures, math, number theory, two pointers	3000	x368
1418A	Buying Torches math	1000	x22866