Problemset - Codeforces

Problems

#	Name
1791A	Codeforces Checking implementation, strings	800	x62235
1790C	Premutation brute force, implementation, math	1000	x24212
1790A	Polycarp and the Day of Pi implementation, math, strings	800	x37393
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x728
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x825
1789D	Serval and Shift-Shift-Shift bitmasks, brute force, constructive algorithms, implementation	2200	x1699
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8660
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x16289
1788F	XOR, Tree, and Queries bitmasks, constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, trees	2500	x873
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x20214
1788A	One and Two brute force, implementation, math	800	x31785
1787F	Inverse Transformation constructive algorithms, implementation, math	2500	x690
1787D	Game on Axis combinatorics, dfs and similar, dsu, graphs, implementation	1900	x3430
1786A2	Alternating Deck (hard version) implementation	800	x11467
1786A1	Non-alternating Deck (easy version) implementation	800	x14097
1783G	Weighed Tree Radius data structures, divide and conquer, implementation, trees	2800	x482
1783D	Different Arrays brute force, dp, implementation	2000	x4507
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1310
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7737
1778A	Flip Flop Sum greedy, implementation	800	x24496
1775E	The Human Equation greedy, implementation	2100	x3294
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19742
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x716
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x1087
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7982
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x492
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x792
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1375
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2410
1772B	Matrix Rotation brute force, implementation	800	x29478
1772A	A+B? implementation	800	x48956
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x711
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3891
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1378
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x14315
1767A	Cut the Triangle implementation	800	x20654
1766C	Hamiltonian Wall dp, implementation	1300	x13743
1766B	Notepad# implementation	1000	x21289
1766A	Extremely Round brute force, implementation	800	x27366
1765L	Project Manager brute force, data structures, implementation	2400	x588
1765I	Infinite Chess implementation, shortest paths	2800	x206
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1313
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x2086
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14753
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x17055
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13517
1760D	Challenging Valleys implementation, two pointers	1000	x23942
1760C	Advantage data structures, implementation, sortings	800	x37770
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x45247
1760A	Medium Number implementation, sortings	800	x61177
1759A	Yes-Yes? implementation, strings	800	x30273
1750C	Complementary XOR constructive algorithms, implementation	1400	x9621
1750B	Maximum Substring brute force, greedy, implementation	800	x16276
1750A	Indirect Sort constructive algorithms, implementation, math	800	x17111
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x14098
1749A	Cowardly Rooks greedy, implementation	800	x22399
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x11249
1748B	Diverse Substrings brute force, implementation, strings	1400	x15149
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x97
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x12894
1744C	Traffic Light binary search, implementation, two pointers	1000	x28133
1744B	Even-Odd Increments implementation, math	800	x23616
1744A	Number Replacement greedy, implementation	800	x27272
1743A	Password brute force, combinatorics, implementation, math	800	x26915
1742C	Stripes implementation	900	x33483
1742B	Increasing greedy, implementation, sortings	800	x48676
1742A	Sum implementation	800	x75122
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x31106
1739A	Immobile Knight implementation	800	x22863
1738A	Glory Addicts greedy, implementation, sortings	800	x13561
1737D	Ela and the Wiring Wizard brute force, dp, graphs, greedy, implementation, shortest paths	2200	x1912
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5802
1737B	Ela's Fitness and the Luxury Number binary search, implementation, math	1300	x9455
1737A	Ela Sorting Books greedy, implementation, strings	900	x10177
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2524
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9977
1732D1	Balance (Easy version) brute force, data structures, implementation, number theory	1500	x8771
1732C2	Sheikh (Hard Version) binary search, bitmasks, brute force, greedy, implementation, two pointers	2100	x2595
1732B	Ugu brute force, dp, greedy, implementation	900	x15182
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x15167
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12978
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24727
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x87
1722F	L-shapes dfs and similar, implementation	1700	x7029
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x11029
1722C	Word Game data structures, implementation	800	x31489
1722B	Colourblindness implementation	800	x47032
1722A	Spell Check implementation	800	x51882
1721B	Deadly Laser implementation	1000	x22336
1721A	Image greedy, implementation	800	x27116
1720E	Misha and Paintings constructive algorithms, data structures, greedy, implementation, math	2700	x815
1720C	Corners greedy, implementation	1200	x16907
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x13342
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x120
1718B	Fibonacci Strings greedy, implementation, math, number theory	2000	x3046
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x532
1717B	Madoka and Underground Competitions constructive algorithms, implementation	1100	x14881
1716C	Robot in a Hallway data structures, dp, greedy, implementation, ternary search	2000	x4237
1715C	Monoblock combinatorics, data structures, implementation, math	1700	x8708
1714F	Build a Tree and That Is It constructive algorithms, implementation, trees	1900	x3281