Problemset - Codeforces

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Codeforces Round #847 (Div. 3)
03:44:04
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Problems

#	Name
1792F2	Graph Coloring (hard version) brute force, divide and conquer, dp, fft, graphs		x109
1792F1	Graph Coloring (easy version) dp, graphs		x201
1792E	Divisors and Table brute force, dfs and similar, dp, implementation, number theory		x526
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings		x3015
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers		x6193
1792B	Stand-up Comedian greedy, math		x10539
1792A	GamingForces greedy, sortings		x17463
1783G	Weighed Tree Radius data structures, divide and conquer, implementation, trees	2800	x227
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x518
1783E	Game of the Year brute force, data structures, math, number theory	2300	x1392
1783D	Different Arrays brute force, dp, implementation	2000	x2762
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x6256
1783B	Matrix of Differences constructive algorithms, math	1100	x13419
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x20549
1781H2	Window Signals (hard version)	3500	x32
1781H1	Window Signals (easy version)	3200	x60
1781G	Diverse Coloring constructive algorithms, trees	3200	x93
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x419
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1030
1781D	Many Perfect Squares brute force, math, number theory	1800	x3443
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x4673
1781B	Going to the Cinema brute force, greedy, sortings	1000	x9870
1781A	Parallel Projection geometry, math	800	x12293
1780G	Delicious Dessert binary search, dsu, math, number theory, string suffix structures		x248
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings		x621
1780E	Josuke and Complete Graph binary search, brute force, data structures, math, number theory		x582
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive		x2589
1780B	GCD Partition brute force, greedy, math, number theory		x10768
1780A	Hayato and School constructive algorithms, greedy		x15868
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x90
1779G	The Game of the Century constructive algorithms, graphs, shortest paths	3000	x191
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x915
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1309
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x5305
1779C	Least Prefix Sum data structures, greedy	1600	x8649
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x18077
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x20030
1777F	Comfortably Numb bitmasks, data structures, divide and conquer, strings, trees		x402
1777E	Edge Reverse binary search, dfs and similar, graphs, trees		x879
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees		x1818
1777C	Quiz Master binary search, math, number theory, sortings, two pointers		x4513
1777B	Emordnilap combinatorics, greedy, math		x12343
1777A	Everybody Likes Good Arrays! greedy, math		x15604
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x499
1775E	The Human Equation greedy, implementation	2100	x2094
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x3490
1775C	Interesting Sequence bitmasks, math	1600	x6436
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x8709
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x13979
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x15355
1774H	Maximum Permutation constructive algorithms	3500	x93
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x167
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x435
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x799
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x2403
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x5328
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x8778
1774B	Coloring constructive algorithms, greedy, math	1500	x8115
1774A	Add Plus Minus Sign constructive algorithms, math	800	x18908
1773L	Lisa's Sequences dp	3500	x4
1773K	King's Puzzle constructive algorithms	1900	x960
1773J	Jumbled Trees constructive algorithms, math	2900	x56
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x305
1773H	Hot and Cold binary search, interactive	2600	x213
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x180
1773F	Football constructive algorithms	800	x2771
1773E	Easy Assembly greedy, sortings	1400	x2454
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x249
1773C	Cactus Meets Torus	3500	x19
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x503
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x949
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x859
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x1397
1772E	Permutation Game games	1700	x4240
1772D	Absolute Sorting constructive algorithms, math	1400	x8957
1772C	Different Differences constructive algorithms, greedy, math	1000	x16587
1772B	Matrix Rotation brute force, implementation	800	x21663
1772A	A+B? implementation	800	x27149
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x559
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x498
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x1868
1771C	Hossam and Trainees greedy, math, number theory	1600	x5904
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x8575
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x16925
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x48
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x93
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x315
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1012
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x2857
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x6667
1770B	Koxia and Permutation constructive algorithms	1000	x15752
1770A	Koxia and Whiteboards brute force, greedy	1000	x18009
1769D3	Игра в Девятку III *special problem, brute force	2300	x104
1769D2	Игра в Девятку II *special problem, brute force	2200	x174
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x312
1769C2	Подкрутка II *special problem, dp	1300	x677
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x709
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x724
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1096
1769A	Узкая дорога *special problem, math	800	x1517

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