Problemset - Codeforces

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Problems

#	Name
1781G	Diverse Coloring constructive algorithms, trees	3200	x219
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x811
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1290
1780G	Delicious Dessert binary search, dsu, hashing, math, number theory, string suffix structures	2400	x683
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1419
1780E	Josuke and Complete Graph binary search, brute force, data structures, math, number theory	2400	x1348
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x137
1779G	The Game of the Century constructive algorithms, graphs, shortest paths	3000	x309
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1239
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1726
1778F	Maximizing Root dfs and similar, dp, graphs, math, number theory, trees	2600	x633
1778E	The Tree Has Fallen! bitmasks, dfs and similar, math, trees	2500	x845
1778D	Flexible String Revisit combinatorics, dp, math, probabilities	2100	x2658
1777F	Comfortably Numb bitmasks, data structures, divide and conquer, strings, trees	2400	x868
1777E	Edge Reverse binary search, dfs and similar, graphs, trees	2200	x1767
1776N	Count Permutations math	3500	x79
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x364
1776K	Uniform Chemistry dp, math	3200	x65
1776J	Italian Data Centers graphs, shortest paths	2500	x622
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x652
1776G	Another Wine Tasting Event combinatorics, constructive algorithms, math, strings	2100	x1984
1776E	Crossing the Railways data structures, dp	3500	x67
1776D	Teamwork constructive algorithms, greedy, math	2800	x350
1776C	Library game games, greedy, interactive, sortings	2500	x773
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1288
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x755
1775E	The Human Equation greedy, implementation	2100	x3120
1774H	Maximum Permutation constructive algorithms	3500	x132
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x431
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x661
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x1049
1773L	Lisa's Sequences dp	3500	x31
1773J	Jumbled Trees constructive algorithms, math	2900	x104
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x465
1773H	Hot and Cold binary search, interactive	2600	x352
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x350
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x451
1773C	Cactus Meets Torus	3500	x30
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x745
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1312
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2312
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x1044
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x677
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2674
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x101
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x158
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x640
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1325
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3760
1769D3	Игра в Девятку III *special problem, brute force	2300	x119
1769D2	Игра в Девятку II *special problem, brute force	2200	x190
1768F	Wonderful Jump dp, greedy	2900	x805
1768E	Partial Sorting combinatorics, math, number theory	2300	x1818
1767F	Two Subtrees data structures, trees	3100	x264
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x881
1767C	Count Binary Strings data structures, dp	2100	x2591
1766F	MCF flows	2800	x267
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1160
1765L	Project Manager brute force, data structures, implementation	2400	x576
1765J	Hero to Zero graph matchings, math	2900	x189
1765I	Infinite Chess implementation, shortest paths	2800	x187
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1228
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x380
1765F	Chemistry Lab dp, geometry, probabilities	2200	x590
1765C	Card Guessing combinatorics, dp, probabilities	2600	x376
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x685
1764H	Doremy's Paint 2 data structures	3400	x176
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x444
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x510
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x564
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x943
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1206
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2709
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x442
1763E	Node Pairs dp, graphs, math, number theory	2200	x1750
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x1996
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x6427
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x101
1762F	Good Pairs binary search, data structures, dp	2600	x581
1762E	Tree Sum combinatorics, math, trees	2600	x629
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x3379
1761G	Centroid Guess interactive, probabilities, trees	3500	x104
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x79
1761F1	Anti-median (Easy Version) dp, math	3100	x205
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1773
1761D	Carry Bit combinatorics, math	2100	x2393
1758F	Decent Division constructive algorithms, data structures	3000	x162
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x823
1753F	Minecraft Series brute force, two pointers	3500	x196
1753E	N Machines binary search, brute force, greedy	3300	x320
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1709
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4281
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x78
1750G	Doping combinatorics, dp, math	3300	x232
1750F	Majority combinatorics, dp, math, strings	2700	x886
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1384
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x491
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1662
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x328
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1825