Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
3 days
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Problems

#	Name
1882C	Card Game brute force, greedy	1500	x11331
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14279
1882A	Increasing Sequence greedy	800	x24284
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14961
1879B	Chips on the Board constructive algorithms, greedy	900	x21178
1879A	Rigged! greedy	800	x22079
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x11110
1878D	Reverse Madness data structures, greedy	1600	x7587
1878A	How Much Does Daytona Cost? greedy	800	x38916
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x117
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2142
1876A	Helmets in Night Light greedy, sortings	1000	x14855
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10790
1875A	Jellyfish and Undertale brute force, greedy	900	x21843
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1505
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x15806
1873G	ABBC or BACB constructive algorithms, greedy	1500	x11733
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13877
1873D	1D Eraser greedy, implementation, two pointers	800	x32760
1873B	Good Kid brute force, greedy, math	800	x44493
1872G	Replace With Product brute force, greedy, math	2000	x3996
1872B	The Corridor or There and Back Again greedy, implementation	900	x26648
1872A	Two Vessels brute force, greedy, math	800	x37323
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x77
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6434
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13356
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18500
1868F	LIS? data structures, greedy, implementation	3500	x69
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x73
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x248
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2276
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6458
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x400
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5335
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10564
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1516
1866D	Digital Wallet dp, greedy	2300	x1192
1864I	Future Dominators graphs, greedy	3500	x82
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6341
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14760
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19773
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2616
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x8942
1863B	Split Sort greedy, math, sortings	1100	x14592
1863A	Channel greedy, implementation	800	x17444
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x9611
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30807
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1861D	Sorting By Multiplication dp, greedy	1800	x6278
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20106
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12438
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16034
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6557
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16327
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24358
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2705
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21967
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10651
1858A	Buttons games, greedy, math	800	x34399
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4093
1857C	Assembly via Minimums greedy, sortings	1200	x23015
1857B	Maximum Rounding greedy, implementation, math	1100	x22144
1857A	Array Coloring greedy, math	800	x43660
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1314
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23835
1855A	Dalton the Teacher greedy, math	800	x27193
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x383
1853A	Desorting brute force, greedy, math	800	x28053
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x157
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x430
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1457
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4144
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5313
1851C	Tiles Comeback greedy	1000	x22268
1851B	Parity Sort greedy, sortings, two pointers	800	x28101
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7521
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32487
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x654
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x7780
1849B	Monsters greedy, math, sortings	1000	x22751
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13399
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x854
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3602
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12231
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19110
1847A	The Man who became a God greedy, sortings	800	x21682
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4060
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17958
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7330
1845C	Strong Password binary search, dp, greedy, strings	1400	x13343
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x369
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x737
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11633
1844C	Particles dp, greedy, implementation, math	1300	x14832
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4984
1843B	Long Long greedy, math, two pointers	800	x28064
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33006
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x108
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1245
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1540