Problemset - Codeforces

Problems

#	Name
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x856
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x7402
1758C	Almost All Multiples greedy, number theory	1400	x13771
1758B	XOR = Average constructive algorithms	900	x21430
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x25334
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18981
1754A	Technical Support greedy	800	x23357
1753F	Minecraft Series brute force, two pointers	3500	x212
1753E	N Machines binary search, brute force, greedy	3300	x333
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1781
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4576
1753B	Factorial Divisibility math, number theory	1600	x12986
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x10480
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x15096
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x84
1750G	Doping combinatorics, dp, math	3300	x249
1750F	Majority combinatorics, dp, math, strings	2700	x926
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1443
1750D	Count GCD combinatorics, math, number theory	1800	x6005
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
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x525
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1744
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5623
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x14098
1749B	Death's Blessing greedy	900	x21089
1749A	Cowardly Rooks greedy, implementation	800	x22399
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x339
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1969
1748D	ConstructOR bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory	2100	x2844
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x11249
1748B	Diverse Substrings brute force, implementation, strings	1400	x15148
1748A	The Ultimate Square math	800	x24175
1747E	List Generation combinatorics, dp, math	2900	x527
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x4722
1747C	Swap Game games	1200	x21407
1747B	BAN BAN constructive algorithms	900	x23156
1747A	Two Groups constructive algorithms, greedy	800	x25050
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x97
1746F	Kazaee data structures, hashing, probabilities	2800	x1866
1746E2	Joking (Hard Version) dp, interactive	3200	x398
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1452
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4656
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x12894
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17273
1746A	Maxmina constructive algorithms, greedy	800	x19885
1744F	MEX vs MED math, two pointers	2000	x3144
1744E2	Divisible Numbers (hard version) brute force, math, number theory	1900	x5670
1744E1	Divisible Numbers (easy version) brute force, math, number theory	1500	x11011
1744D	Divisibility by 2^n greedy, math, sortings	1200	x21686
1744C	Traffic Light binary search, implementation, two pointers	1000	x28132
1744B	Even-Odd Increments implementation, math	800	x23615
1744A	Number Replacement greedy, implementation	800	x27272
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x260
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1537
1743E	FTL binary search, dp	2400	x1646
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7660
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x19306
1743B	Permutation Value constructive algorithms, greedy	800	x22296
1743A	Password brute force, combinatorics, implementation, math	800	x26914
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x10924
1742F	Smaller constructive algorithms, greedy, strings	1500	x11898
1742E	Scuza binary search, greedy, math	1200	x25381
1742D	Coprime brute force, greedy, number theory	1100	x24185
1742C	Stripes implementation	900	x33482
1742B	Increasing greedy, implementation, sortings	800	x48673
1742A	Sum implementation	800	x75114
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1525
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x2472
1741E	Sending a Sequence Over the Network dp	1600	x12590
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x15404
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17872
1741B	Funny Permutation constructive algorithms, math	800	x25550
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x31106
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x115
1740H	MEX Tree Manipulation data structures, trees	3300	x236
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x187
1740F	Conditional Mix combinatorics, dp, math	2600	x825
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4391
1740D	Knowledge Cards constructive algorithms, data structures	1500	x8172
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x11125
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13786
1740A	Factorise N+M constructive algorithms, number theory	800	x20415
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x548
1739E	Cleaning Robot bitmasks, dp	2400	x1241
1739D	Reset K Edges binary search, data structures, dfs and similar, graphs, greedy, trees	1900	x5231
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x9165
1739B	Array Recovery constructive algorithms, greedy, math	1100	x22568
1739A	Immobile Knight implementation	800	x22862
1738H	Palindrome Addicts data structures, strings	3300	x235
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x462
1738F	Connectivity Addicts constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees	2400	x1239
1738E	Balance Addicts combinatorics, dp, math, two pointers	2300	x1569
1738D	Permutation Addicts constructive algorithms, data structures, dfs and similar, dsu, graphs, trees	1900	x3457
1738C	Even Number Addicts dp, games, greedy, math	1500	x11300
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x15840
1738A	Glory Addicts greedy, implementation, sortings	800	x13561
1737G	Ela Takes Dancing Class binary search, data structures	3500	x117
1737F	Ela and Prime GCD constructive algorithms, math, number theory	3300	x126