Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
08:13:22
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brute force

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Problems

#	Name
1676H1	Maximum Crossings (Easy Version) brute force	1400	x14180
1676D	X-Sum brute force, greedy, implementation	1000	x25345
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x30364
1674E	Breaking the Wall binary search, brute force, constructive algorithms, greedy, math	2000	x6469
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x12920
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x15383
1671F	Permutation Counting brute force, combinatorics, dp, fft, math	2700	x334
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7713
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17444
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18597
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5163
1670B	Dorms War brute force, implementation, strings	1100	x12788
1667A	Make it Increasing brute force, greedy, math	1300	x14760
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1475
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3213
1665E	MinimizOR bitmasks, brute force, data structures, divide and conquer, greedy, implementation, two pointers	2500	x1532
1662O	Circular Maze brute force, dfs and similar, graphs, implementation		x1404
1662I	Ice Cream Shop brute force, implementation, sortings		x2190
1662H	Boundary brute force, math		x3065
1662A	Organizing SWERC brute force, implementation		x4434
1661E	Narrow Components brute force, data structures, dp, dsu, math, trees	2500	x956
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17891
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x7319
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7365
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x8735
1659E	AND-MEX Walk bitmasks, brute force, constructive algorithms, dfs and similar, dsu, graphs	2200	x1601
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10660
1658F	Juju and Binary String brute force, constructive algorithms, greedy, math	2700	x773
1658D2	388535 (Hard Version) bitmasks, brute force, data structures, math	2300	x2588
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4919
1657A	Integer Moves brute force, math	800	x24019
1654E	Arithmetic Operations brute force, data structures, graphs, math	2300	x2102
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18690
1651F	Tower Defense binary search, brute force, data structures	3000	x381
1651E	Sum of Matchings brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math	2600	x523
1651C	Fault-tolerant Network brute force, data structures, implementation	1500	x10760
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x13102
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6479
1647B	Madoka and the Elegant Gift brute force, constructive algorithms, graphs, implementation	1200	x15437
1646E	Power Board brute force, dp, math, number theory	2200	x2466
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x14297
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21215
1644E	Expand the Path brute force, combinatorics, data structures, implementation, math	1900	x3121
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13849
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20712
1641D	Two Arrays bitmasks, brute force, combinatorics, greedy, hashing, math, two pointers	2700	x1174
1641C	Anonymity Is Important binary search, brute force, data structures, dsu, greedy, sortings	2200	x2463
1641A	Great Sequence brute force, greedy, sortings	1200	x17958
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x226
1638E	Colorful Operations brute force, data structures, implementation	2400	x1934
1637E	Best Pair binary search, brute force, implementation	2100	x3383
1637B	MEX and Array brute force, dp, greedy, math	1100	x14858
1637A	Sorting Parts brute force, sortings	800	x22389
1634F	Fibonacci Additions brute force, data structures, hashing, implementation, math	2700	x1614
1633C	Kill the Monster brute force, math	1100	x20130
1633A	Div. 7 brute force	800	x33320
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12800
1629A	Download More RAM brute force, greedy, sortings	800	x29286
1627D	Not Adding brute force, dp, math, number theory	1900	x8366
1626D	Martial Arts Tournament binary search, brute force, greedy, math	2100	x3935
1625E1	Cats on the Upgrade (easy version) brute force, data structures, dfs and similar, divide and conquer, dp, graphs, trees	2500	x1048
1625B	Elementary Particles brute force, greedy, sortings	1100	x16122
1624E	Masha-forgetful brute force, constructive algorithms, dp, hashing, implementation, strings	2000	x4141
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x14122
1623A	Robot Cleaner brute force, implementation, math	800	x20080
1622E	Math Test bitmasks, brute force, greedy	2200	x1911
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x13171
1620D	Exact Change brute force, constructive algorithms, greedy	2000	x4230
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6593
1619H	Permutation and Queries brute force, data structures, divide and conquer, two pointers	2400	x1166
1619F	Let's Play the Hat? brute force, constructive algorithms, greedy, math	2000	x2110
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x23532
1616F	Tricolor Triangles brute force, graphs, math, matrices	2900	x595
1616E	Lexicographically Small Enough brute force, data structures, greedy, strings	2200	x2498
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12291
1615C	Menorah brute force, graphs, greedy, math	1600	x8409
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23500
1612F	Armor and Weapons brute force, dp, greedy, shortest paths	2800	x613
1612E	Messages brute force, dp, greedy, probabilities, sortings	2000	x2531
1612A	Distance brute force, constructive algorithms	800	x17693
1610E	AmShZ and G.O.A.T. binary search, brute force, greedy, implementation, math	2300	x1687
1607F	Robot on the Board 2 brute force, dfs and similar, graphs, implementation	2300	x1953
1607C	Minimum Extraction brute force, sortings	1000	x25138
1606F	Tree Queries brute force, dp, trees	2800	x562
1606D	Red-Blue Matrix brute force, constructive algorithms, implementation, sortings	2400	x1459
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x17105
1600F	Party Organization brute force, math, probabilities	2300	x495
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x302
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x371
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1444
1598E	Staircases brute force, combinatorics, data structures, dfs and similar, dp, implementation, math	2100	x2325
1598B	Groups brute force, implementation	1000	x16131
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23495
1594E2	Rubik's Cube Coloring (hard version) brute force, dp, implementation, math, trees	2300	x1493
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19789
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12554
1593D2	Half of Same brute force, math, number theory	1900	x5069
1582F2	Korney Korneevich and XOR (hard version) binary search, brute force, dp, greedy, two pointers	2400	x1838
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x15882
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x75