Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
2 days
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Problems

#	Name
1428H	Rotary Laser Lock binary search, interactive	3500	x90
1428G2	Lucky Numbers (Hard Version) dp, greedy	3000	x614
1428G1	Lucky Numbers (Easy Version) dp, greedy	2900	x552
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x2171
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3530
1428D	Bouncing Boomerangs constructive algorithms, greedy, implementation	1900	x4420
1428C	ABBB brute force, data structures, greedy, strings	1100	x19797
1428B	Belted Rooms graphs, implementation	1200	x14197
1428A	Box is Pull math	800	x16186
1427H	Prison Break binary search, games, geometry, ternary search	3500	x70
1427G	One Billion Shades of Grey flows, graphs	3300	x260
1427F	Boring Card Game data structures, greedy, trees	3200	x310
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1270
1427D	Unshuffling a Deck constructive algorithms, implementation	2000	x3380
1427C	The Hard Work of Paparazzi dp	2000	x5491
1427B	Chess Cheater greedy, implementation, sortings	1400	x10719
1427A	Avoiding Zero math, sortings	900	x16862
1426F	Number of Subsequences combinatorics, dp, strings	2000	x5140
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7251
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15573
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19065
1426B	Symmetric Matrix implementation	900	x20387
1426A	Floor Number implementation, math	800	x45871
1425I	Impressive Harvesting of The Orchard data structures	2800	x231
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4089
1425F	Flamingoes of Mystery interactive	1400	x5303
1425E	Excitation of Atoms greedy, implementation	2200	x910
1425D	Danger of Mad Snakes combinatorics, dp, math	2300	x809
1425C	Captain of Knights math	3100	x40
1425B	Blue and Red of Our Faculty! divide and conquer, dp	2600	x274
1425A	Arena of Greed games, greedy	1400	x6383
1424M	Ancient Language graphs, sortings	2200	x522
1424G	Years data structures, sortings	1300	x5662
1423N	BubbleSquare Tokens	3500	x149
1423M	Milutin's Plums interactive	2800	x148
1423L	Light switches meet-in-the-middle	2600	x434
1423K	Lonely Numbers binary search, math, number theory, two pointers	1600	x4695
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x739
1423I	Lookup Tables bitmasks	3000	x103
1423H	Virus data structures, divide and conquer, dsu, graphs	2500	x510
1423G	Growing flowers data structures	3500	x182
1423F	Coins math	2700	x363
1423E	5G Antenna Towers geometry	2700	x75
1423D	Does anyone else hate the wind?	3100	x36
1423C	Dušan's Railway divide and conquer, graphs, trees	3500	x131
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1776
1423A	Wakanda Forever	3500	x67
1422F	Boring Queries data structures, math, number theory	2700	x974
1422E	Minlexes dp, greedy, implementation, strings	2700	x733
1422D	Returning Home graphs, shortest paths, sortings	2300	x2594
1422C	Bargain combinatorics, dp, math	1700	x8103
1422B	Nice Matrix greedy, implementation, math	1300	x14192
1422A	Fence geometry, math	800	x20663
1421E	Swedish Heroes brute force, dp, implementation	2700	x681
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4056
1421C	Palindromifier constructive algorithms, strings	1400	x12547
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x12896
1421A	XORwice bitmasks, greedy, math	800	x27456
1420E	Battle Lemmings dp, greedy	2500	x850
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7363
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4527
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17103
1420B	Rock and Lever bitmasks, math	1200	x23964
1420A	Cubes Sorting math, sortings	900	x22903
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x477
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3151
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14868
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23707
1419C	Killjoy greedy, implementation, math	1500	x14982
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15982
1419A	Digit Game games, greedy, implementation	900	x19294
1418G	Three Occurrences data structures, divide and conquer, hashing, two pointers	2500	x1470
1418F	Equal Product data structures, math, number theory, two pointers	3000	x358
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1730
1418D	Trash Problem data structures, implementation	2100	x4192
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x18417
1418B	Negative Prefixes greedy, sortings	1300	x16325
1418A	Buying Torches math	1000	x21648
1417B	Two Arrays greedy, math, sortings	1100	x14345
1417A	Copy-paste greedy, math	800	x18059
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x385
1416E	Split binary search, data structures, dp, greedy	3200	x279
1416D	Graph and Queries data structures, dsu, graphs, implementation, trees	2600	x1888
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4199
1416B	Make Them Equal constructive algorithms, greedy, math	2000	x5921
1416A	k-Amazing Numbers binary search, data structures, implementation, two pointers	1500	x11840
1415F	Cakes for Clones dp	2900	x407
1415E	New Game Plus! constructive algorithms, greedy, math	2200	x2595
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x5206
1415C	Bouncing Ball brute force, dp, implementation	1400	x10686
1415B	Repainting Street brute force, brute force, greedy	1100	x12015
1415A	Prison Break brute force, math	800	x14935
1413F	Roads and Ramen data structures, trees	2800	x711
1413E	Solo mid Oracle greedy, math, ternary search	2100	x1922
1413D	Shurikens data structures, greedy, implementation	1700	x6352
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5554
1413B	A New Technique implementation	1100	x11622
1413A	Finding Sasuke constructive algorithms, math	800	x14606
1411G	No Game No Life bitmasks, games, math, matrices	2700	x581
1411F	The Thorny Path greedy, math	3000	x321