Problemset - Codeforces

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Codeforces Round 997 (Div. 2)
46:50:59
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Problems

#	Name
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11317
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7684
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12836
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x8190
1585C	Minimize Distance greedy	1300	x12226
1583C	Omkar and Determination data structures, dp	1700	x7009
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10733
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3729
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4867
1579E2	Array Optimization by Deque data structures, greedy	1700	x6782
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x16344
1579C	Ticks greedy, implementation	1500	x10709
1578H	Higher Order Functions implementation, strings	1700	x2049
1575J	Jeopardy of Dropped Balls binary search, brute force, dsu, implementation	1500	x3902
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x17381
1573B	Swaps greedy, math, sortings	1400	x14831
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x345
1571B	Epic Novel *special problem, math	1300	x725
1569C	Jury Meeting combinatorics, math	1500	x12239
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x12324
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7960
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6409
1562C	Rings constructive algorithms, math	1500	x13483
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5695
1561C	Deep Down Below binary search, greedy, sortings	1300	x15405
1560D	Make a Power of Two greedy, math, strings	1300	x18429
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x14161
1558A	Charmed by the Game brute force, math	1300	x11166
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8744
1556B	Take Your Places! implementation	1300	x12816
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x12772
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x22205
1555B	Two Tables brute force	1300	x16266
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12967
1553D	Backspace dp, greedy, strings, two pointers	1500	x13956
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x14304
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x15676
1551D1	Domino (easy version) constructive algorithms, math	1700	x7190
1551C	Interesting Story greedy, sortings, strings	1500	x13508
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x15708
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10301
1548A	Web of Lies brute force, graphs, greedy	1400	x16661
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x14736
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x17093
1545A	AquaMoon and Strange Sort sortings	1500	x14096
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7679
1542C	Strange Function math, number theory	1600	x14577
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x23725
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x14098
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11842
1538F	Interesting Function binary search, dp, math, number theory	1500	x19745
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13892
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x29545
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x13398
1537D	Deleting Divisors games, math, number theory	1700	x12644
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x14501
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16761
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12953
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x9379
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8841
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x15293
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13823
1526C2	Potions (Hard Version) data structures, greedy	1600	x23614
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x23407
1526B	I Hate 1111 dp, math, number theory	1400	x31642
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8882
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x21668
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x12323
1520E	Arranging The Sheep greedy, math	1400	x22262
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x15592
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x17507
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13495
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x12152
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x20130
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11550
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x17419
1514C	Product 1 Modulo N greedy, number theory	1600	x15613
1513C	Add One dp, matrices	1600	x14547
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x15312
1512G	Short Task brute force, dp, math, number theory	1700	x8402
1512E	Permutation by Sum brute force, greedy, math	1600	x10656
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11691
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x13297
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x22457
1505C	Fibonacci Words *special problem, implementation	1400	x6498
1505B	DMCA *special problem, implementation, number theory	1600	x6231
1503B	3-Coloring constructive algorithms, games, interactive	1700	x7117
1503A	Balance the Bits constructive algorithms, greedy	1600	x13632
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12801
1498C	Planar Reflections brute force, data structures, dp	1600	x9975
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x17812
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8472
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x17679
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x14550
1493B	Planet Lapituletti brute force, implementation	1300	x11958
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x16376
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x8036
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x16518
1490E	Accidental Victory binary search, data structures, greedy	1400	x19516
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x18594