Problemset - Codeforces

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Codeforces Round 1133 (Div. 1)
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Codeforces Round 1133 (Div. 2)
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constructive algorithms

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Problems

#	Name
1628C	Grid Xor constructive algorithms, greedy, implementation, interactive, math	2300	x3741
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x17351
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x16673
1627A	Not Shading constructive algorithms, implementation	800	x25070
1626A	Equidistant Letters constructive algorithms, sortings	800	x31244
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x3964
1624E	Masha-forgetful brute force, constructive algorithms, dp, hashing, implementation, strings	2000	x4729
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x27399
1622F	Quadratic Set constructive algorithms, hashing, math, number theory	2900	x1003
1621D	The Winter Hike constructive algorithms, greedy, math	2100	x4475
1621A	Stable Arrangement of Rooks constructive algorithms	800	x24911
1620E	Replace the Numbers constructive algorithms, data structures, dsu, implementation	1900	x10313
1620D	Exact Change brute force, constructive algorithms, greedy	2000	x4942
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x23540
1619F	Let's Play the Hat? brute force, constructive algorithms, greedy, math	2000	x2413
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x10481
1618F	Reverse bitmasks, constructive algorithms, dfs and similar, implementation, math, strings	2000	x4858
1618E	Singers' Tour constructive algorithms, math	1700	x7905
1617D2	Too Many Impostors (hard version) constructive algorithms, implementation, interactive, math	2400	x2143
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x5295
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x27763
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x17141
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x492
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x179
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x11556
1614B	Divan and a New Project constructive algorithms, sortings	1000	x32654
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x24838
1612G	Max Sum Array combinatorics, constructive algorithms, greedy, sortings	2500	x1067
1612B	Special Permutation constructive algorithms, greedy	900	x18698
1612A	Distance brute force, constructive algorithms	800	x18373
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x11865
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x19607
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x32476
1611A	Make Even constructive algorithms, math	800	x33894
1610F	Mashtali: a Space Oddysey constructive algorithms, dfs and similar, graphs	3000	x756
1608B	Build the Permutation constructive algorithms, greedy	1200	x12683
1608A	Find Array constructive algorithms, math	800	x20504
1606D	Red-Blue Matrix brute force, constructive algorithms, implementation, sortings	2400	x1664
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x3338
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x15366
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x18085
1602B	Divine Array constructive algorithms, implementation	1100	x14901
1599A	Weights constructive algorithms, greedy, two pointers	2600	x1046
1594F	Ideal Farm constructive algorithms, math	2400	x1595
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x10191
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1983
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x1100
1592F1	Alice and Recoloring 1 constructive algorithms, greedy	2600	x1238
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x9550
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x17689
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x400
1583F	Defender of Childhood Dreams bitmasks, constructive algorithms, divide and conquer	2500	x1686
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x2590
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x6015
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x13513
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x11790
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x12801
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x126
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x26301
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x18897
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x561
1578A	Anti-Tetris constructive algorithms, graphs, shortest paths	2800	x479
1574E	Coloring combinatorics, constructive algorithms, implementation, math	2500	x1143
1574A	Regular Bracket Sequences constructive algorithms	800	x23434
1572B	Xor of 3 brute force, constructive algorithms, greedy, two pointers	2500	x2298
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x231
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x375
1569B	Chess Tournament constructive algorithms	1000	x20090
1567F	One-Four Overload 2-sat, constructive algorithms, dfs and similar, dsu, graphs, implementation	2700	x904
1567D	Expression Evaluation Error constructive algorithms, greedy, implementation, math	2000	x5003
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x187
1566G	Four Vertices constructive algorithms, data structures, graphs, greedy, implementation, shortest paths	3100	x446
1566E	Buds Re-hanging constructive algorithms, dfs and similar, dp, greedy, trees	2000	x4558
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x19355
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x21724
1562C	Rings constructive algorithms, math	1500	x14492
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x20784
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x5183
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x6899
1559D2	Mocha and Diana (Hard Version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, trees, two pointers	2500	x3314
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x16922
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x23479
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x50774
1558C	Bottom-Tier Reversals constructive algorithms, greedy	2000	x3849
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x805
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x9192
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x16496
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x24793
1554D	Diane constructive algorithms, greedy, strings	1800	x10771
1553G	Common Divisor Graph brute force, constructive algorithms, dsu, graphs, hashing, math, number theory	2700	x1324
1553E	Permutation Shift brute force, combinatorics, constructive algorithms, dfs and similar, dsu, graphs, math	2100	x3888
1552E	Colors and Intervals constructive algorithms, data structures, greedy, sortings	2300	x2176
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x8065
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x6372
1551D2	Domino (hard version) constructive algorithms, implementation, math	2100	x3069
1551D1	Domino (easy version) constructive algorithms, math	1700	x7709
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x16944
1550D	Excellent Arrays binary search, combinatorics, constructive algorithms, implementation, math, sortings, two pointers	2300	x2124
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x19127
1545D	AquaMoon and Wrong Coordinate constructive algorithms, interactive, math	3000	x820

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