Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
15:05:49
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Problems

#	Name
1881E	Block Sequence dp	1500	x14748
1881D	Divide and Equalize math, number theory	1300	x17838
1881C	Perfect Square brute force, implementation	1200	x17263
1881B	Three Threadlets math	900	x25759
1881A	Don't Try to Count brute force, strings	800	x33119
1879F	Last Man Standing brute force, data structures, number theory	2800	x519
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1283
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7607
1879C	Make it Alternating combinatorics, dp, greedy	1300	x17439
1879B	Chips on the Board constructive algorithms, greedy	900	x22798
1879A	Rigged! greedy	800	x23270
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1204
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x4182
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x13224
1878D	Reverse Madness data structures, greedy	1600	x8525
1878C	Vasilije in Cacak math	900	x34126
1878B	Aleksa and Stack constructive algorithms, math	800	x31681
1878A	How Much Does Daytona Cost? greedy	800	x46046
1877C	Joyboard math, number theory	1200	x11177
1877A	Goals of Victory math	800	x24632
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x141
1876F	Indefinite Clownfish binary search, graphs	3500	x148
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x272
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x894
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2344
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8472
1876A	Helmets in Night Light greedy, sortings	1000	x18606
1875D	Jellyfish and Mex dp	1600	x8932
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11936
1875A	Jellyfish and Undertale brute force, greedy	900	x26585
1874G	Jellyfish and Inscryption dp	3500	x88
1874F	Jellyfish and OEIS dp	3500	x217
1874E	Jellyfish and Hack dp, math	3000	x325
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x744
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1750
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1161
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x17278
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7578
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13646
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15981
1873E	Building an Aquarium binary search, sortings	1100	x27700
1873D	1D Eraser greedy, implementation, two pointers	800	x35838
1873C	Target Practice implementation, math	800	x42243
1873B	Good Kid brute force, greedy, math	800	x49994
1873A	Short Sort brute force, implementation	800	x55895
1872G	Replace With Product brute force, greedy, math	2000	x4358
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6463
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x14036
1872D	Plus Minus Permutation math	1200	x24720
1872C	Non-coprime Split math, number theory	1100	x23686
1872B	The Corridor or There and Back Again greedy, implementation	900	x28143
1872A	Two Vessels brute force, greedy, math	800	x39527
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x87
1870G	MEXanization data structures	3300	x219
1870F	Lazy Numbers binary search, math	2900	x496
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2416
1870D	Prefix Purchase greedy, implementation, sortings	1800	x7107
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11651
1870B	Friendly Arrays bitmasks, greedy, math	1200	x14335
1870A	MEXanized Array constructive algorithms, greedy, math	800	x19151
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x16549
1869A	Make It Zero constructive algorithms	900	x22494
1868F	LIS? data structures, greedy, implementation	3500	x78
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x86
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x290
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1179
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2440
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x7107
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x12146
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x425
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x3239
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3816
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5887
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x11397
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x16900
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x20068
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x822
1866L	Lihmuf Balling binary search, brute force, math	2400	x728
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x451
1866J	Jackets and Packets dp	2800	x292
1866I	Imagination Castle dp, games, two pointers	2300	x776
1866H	Happy Sets combinatorics	2100	x1673
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1739
1866F	Freak Joker Process binary search, data structures, sortings	3100	x137
1866E	Elevators of Tamem dp	2700	x420
1866D	Digital Wallet dp, greedy	2300	x1345
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x3077
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7852
1866A	Ambitious Kid math	800	x23457
1864I	Future Dominators graphs, greedy	3500	x89
1864H	Asterism Stream dp, math, matrices	3200	x296
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x280
1864F	Exotic Queries data structures, implementation, sortings	2300	x1453
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2686
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6869
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x13672
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15483
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20422
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x84
1863H	Goldberg Machine 3 dp, trees	3500	x90