Problemset - Codeforces

Problems

#	Name
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5170
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x10031
1669H	Maximal AND bitmasks, greedy, math	1300	x19091
1667A	Make it Increasing brute force, greedy, math	1300	x14775
1666L	Labyrinth dfs and similar, graphs	1800	x3165
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3218
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8437
1661D	Progressions Covering data structures, greedy	1900	x4796
1661C	Water the Trees binary search, greedy, math	1700	x9439
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17993
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x7331
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7381
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x8756
1660C	Get an Even String dp, greedy, strings	1300	x19721
1659D	Reverse Sort Sum constructive algorithms, data structures, greedy, implementation, math, two pointers	1900	x4041
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10693
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x11004
1658D1	388535 (Easy Version) bitmasks, math	1600	x9164
1658C	Shinju and the Lost Permutation constructive algorithms, math	1700	x9391
1656D	K-good constructive algorithms, math, number theory	1900	x6925
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13572
1651D	Nearest Excluded Points binary search, data structures, dfs and similar, graphs, shortest paths	1900	x5204
1651C	Fault-tolerant Network brute force, data structures, implementation	1500	x10776
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4174
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x13107
1649B	Game of Ball Passing greedy, implementation	1300	x13125
1648C	Tyler and Strings combinatorics, data structures, implementation	1900	x2998
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6488
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x13149
1647D	Madoka and the Best School in Russia constructive algorithms, dp, math, number theory	1900	x5325
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12667
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x14344
1644E	Expand the Path brute force, combinatorics, data structures, implementation, math	1900	x3125
1644D	Cross Coloring data structures, implementation, math	1700	x7308
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13868
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14769
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7820
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x6306
1634B	Fortune Telling bitmasks, math	1400	x16842
1633D	Make Them Equal dp, greedy	1600	x14273
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12825
1630B	Range and Partition binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5797
1630A	And Matching bitmasks, constructive algorithms	1500	x14648
1628B	Peculiar Movie Preferences greedy, strings	1700	x11694
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15743
1627D	Not Adding brute force, dp, math, number theory	1900	x8382
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14644
1627B	Not Sitting games, greedy, sortings	1300	x16697
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10987
1625C	Road Optimization dp	1700	x10818
1624G	MinOr Tree bitmasks, dfs and similar, dsu, graphs, greedy	1900	x6027
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x17175
1623C	Balanced Stone Heaps binary search, greedy	1600	x12286
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x13199
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6945
1621B	Integers Shop data structures, greedy, implementation	1500	x13484
1620E	Replace the Numbers constructive algorithms, data structures, dsu, implementation	1900	x8365
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6617
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x9282
1619D	New Year's Problem binary search, greedy, sortings	1800	x7638
1618E	Singers' Tour constructive algorithms, math	1700	x7257
1618D	Array and Operations dp, greedy, math	1300	x19091
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4727
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x15073
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12306
1615C	Menorah brute force, graphs, greedy, math	1600	x8422
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x16105
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x10320
1613D	MEX Sequences dp, math	1900	x4744
1612D	X-Magic Pair math, number theory	1600	x9287
1612C	Chat Ban binary search, math	1300	x17833
1611F	ATM and Students binary search, data structures, two pointers	1800	x6510
1611E2	Escape The Maze (hard version) dfs and similar, dp, greedy, shortest paths, trees	1900	x3853
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x7378
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9951
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x11741
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7357
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9805
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6739
1607E	Robot on the Board 1 implementation	1600	x9398
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16959
1606C	Banknotes greedy, number theory	1400	x14252
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x17132
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13685
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16765
1601B	Frog Traveler data structures, dfs and similar, dp, graphs, shortest paths, two pointers	1900	x5026
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14855
1600J	Robot Factory bitmasks, dfs and similar	1400	x3967
1600E	Array Game games, greedy, two pointers	1900	x2126
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8787
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11246
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7603
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12580
1593D2	Half of Same brute force, math, number theory	1900	x5085
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x8083
1585D	Yet Another Sorting Problem data structures, math	1900	x3892
1585C	Minimize Distance greedy	1300	x12128
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5428
1583C	Omkar and Determination data structures, dp	1700	x6975
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5695