Problemset - Codeforces

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Codeforces Round 1101 (Div. 2)
02:13:53
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constructive algorithms

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Problems

#	Name
1656G	Cycle Palindrome constructive algorithms, graphs, math	3200	x466
1656F	Parametric MST binary search, constructive algorithms, graphs, greedy, math, sortings	2600	x1231
1656E	Equal Tree Sums constructive algorithms, dfs and similar, math, trees	2200	x3879
1656D	K-good constructive algorithms, math, number theory	1900	x7584
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x21070
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x101
1651E	Sum of Matchings brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math	2600	x620
1651B	Prove Him Wrong constructive algorithms, greedy	800	x20489
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x15269
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x7312
1647D	Madoka and the Best School in Russia constructive algorithms, dp, math, number theory	1900	x5710
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x13356
1647B	Madoka and the Elegant Gift brute force, constructive algorithms, graphs, implementation	1200	x17141
1646F	Playing Around the Table constructive algorithms, greedy, implementation	2900	x683
1646D	Weight the Tree constructive algorithms, dfs and similar, dp, implementation, trees	2000	x4458
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x19783
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x22708
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x21329
1641B	Repetitions Decoding constructive algorithms, implementation, sortings	2000	x4077
1638D	Big Brush constructive algorithms, data structures, greedy, implementation	2000	x4754
1638A	Reverse constructive algorithms, greedy, math	800	x22158
1637G	Birthday constructive algorithms, greedy, math	3000	x621
1637F	Towers constructive algorithms, dfs and similar, dp, greedy, trees	2500	x2172
1635E	Cars 2-sat, constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	2200	x2736
1635C	Differential Sorting constructive algorithms, greedy	1200	x25509
1634E	Fair Share constructive algorithms, data structures, dfs and similar, graph matchings, graphs	2400	x2213
1634D	Finding Zero constructive algorithms, interactive, math	2000	x4770
1634C	OKEA constructive algorithms	1000	x19103
1632B	Roof Construction bitmasks, constructive algorithms	1000	x31983
1630D	Flipping Range constructive algorithms, dp, greedy, number theory	2400	x2004
1630B	Range and Partition binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6500
1630A	And Matching bitmasks, constructive algorithms	1500	x16207
1628C	Grid Xor constructive algorithms, greedy, implementation, interactive, math	2300	x3582
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x17045
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x16308
1627A	Not Shading constructive algorithms, implementation	800	x24916
1626A	Equidistant Letters constructive algorithms, sortings	800	x30944
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x3817
1624E	Masha-forgetful brute force, constructive algorithms, dp, hashing, implementation, strings	2000	x4612
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x26932
1622F	Quadratic Set constructive algorithms, hashing, math, number theory	2900	x868
1621D	The Winter Hike constructive algorithms, greedy, math	2100	x4402
1621A	Stable Arrangement of Rooks constructive algorithms	800	x24792
1620E	Replace the Numbers constructive algorithms, data structures, dsu, implementation	1900	x9711
1620D	Exact Change brute force, constructive algorithms, greedy	2000	x4824
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x23208
1619F	Let's Play the Hat? brute force, constructive algorithms, greedy, math	2000	x2346
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x10243
1618F	Reverse bitmasks, constructive algorithms, dfs and similar, implementation, math, strings	2000	x4743
1618E	Singers' Tour constructive algorithms, math	1700	x7799
1617D2	Too Many Impostors (hard version) constructive algorithms, implementation, interactive, math	2400	x2044
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x5188
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x26932
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x17016
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x388
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x172
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x11338
1614B	Divan and a New Project constructive algorithms, sortings	1000	x29519
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x24624
1612G	Max Sum Array combinatorics, constructive algorithms, greedy, sortings	2500	x1001
1612B	Special Permutation constructive algorithms, greedy	900	x18464
1612A	Distance brute force, constructive algorithms	800	x18220
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x11631
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x19397
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x31976
1611A	Make Even constructive algorithms, math	800	x33471
1610F	Mashtali: a Space Oddysey constructive algorithms, dfs and similar, graphs	3000	x710
1608B	Build the Permutation constructive algorithms, greedy	1200	x12516
1608A	Find Array constructive algorithms, math	800	x20292
1606D	Red-Blue Matrix brute force, constructive algorithms, implementation, sortings	2400	x1579
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x3261
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x15117
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x17863
1602B	Divine Array constructive algorithms, implementation	1100	x14765
1599A	Weights constructive algorithms, greedy, two pointers	2600	x882
1594F	Ideal Farm constructive algorithms, math	2400	x1541
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x9493
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1903
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x973
1592F1	Alice and Recoloring 1 constructive algorithms, greedy	2600	x1082
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x9179
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x17236
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x299
1583F	Defender of Childhood Dreams bitmasks, constructive algorithms, divide and conquer	2500	x1540
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x2493
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5943
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x13299
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x11614
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x12530
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x124
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x25311
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x18488
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x521
1578A	Anti-Tetris constructive algorithms, graphs, shortest paths	2800	x425
1574E	Coloring combinatorics, constructive algorithms, implementation, math	2500	x1040
1574A	Regular Bracket Sequences constructive algorithms	800	x23097
1572B	Xor of 3 brute force, constructive algorithms, greedy, two pointers	2500	x2014
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x226
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x369
1569B	Chess Tournament constructive algorithms	1000	x19878

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