Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
08:41:27
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Problems

#	Name
550E	Brackets in Implications constructive algorithms, greedy, implementation, math	2200	x1386
550D	Regular Bridge constructive algorithms, graphs, implementation	1900	x3330
549H	Degenerate Matrix binary search, math	2100	x1984
549G	Happy Line constructive algorithms, greedy, sortings	2200	x2429
549F	Yura and Developers data structures, divide and conquer	2800	x868
549E	Sasha Circle geometry, math	2700	x150
549D	Haar Features greedy, implementation	1900	x2138
549C	The Game Of Parity games	2200	x1731
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1494
547E	Mike and Friends data structures, string suffix structures, strings, trees	2800	x2089
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2563
547C	Mike and Foam bitmasks, combinatorics, dp, math, number theory	2300	x2808
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x8599
547A	Mike and Frog brute force, greedy, implementation, math	2200	x2541
546E	Soldier and Traveling flows, graphs, math	2100	x3596
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11718
545E	Paths and Trees graphs, greedy, shortest paths	2000	x4607
543E	Listening to Music constructive algorithms, data structures	3200	x288
543D	Road Improvement dp, trees	2300	x2692
543C	Remembering Strings bitmasks, dp	2500	x1380
543B	Destroying Roads constructive algorithms, graphs, shortest paths	2100	x4089
543A	Writing Code dp	1800	x7914
542F	Quest dp, greedy	2100	x924
542E	Playing on Graph graphs, shortest paths	2600	x825
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x509
542C	Idempotent functions constructive algorithms, graphs, math	2000	x1116
542B	Duck Hunt data structures	3100	x195
542A	Place Your Ad Here data structures, sortings	2400	x571
540E	Infinite Inversions binary search, data structures, implementation, sortings, trees	2100	x2105
540D	Bad Luck Island dp, probabilities	1900	x5435
540C	Ice Cave dfs and similar	2000	x7255
540B	School Marks greedy, implementation	1700	x4678
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x653
538G	Berserk Robot constructive algorithms, math, sortings	3100	x453
538F	A Heap of Heaps brute force, data structures, math, sortings	2200	x1724
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1530
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2422
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5798
536E	Tavas on the Path data structures, divide and conquer, trees	3100	x385
536D	Tavas in Kansas dp, games	2900	x727
535E	Tavas and Pashmaks geometry, math	2600	x805
535D	Tavas and Malekas greedy, hashing, string suffix structures, strings	1900	x3941
535C	Tavas and Karafs binary search, greedy, math	1900	x3772
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x470
534E	Berland Local Positioning System constructive algorithms, greedy, hashing, implementation	2400	x346
534D	Handshakes binary search, constructive algorithms, data structures, greedy	1900	x2399
534C	Polycarpus' Dice math	1600	x5000
533F	Encoding hashing, string suffix structures, strings	2400	x892
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2255
533D	Landmarks data structures, dp	3000	x231
533C	Board Game games, greedy, implementation, math	1700	x2187
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2374
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x387
530I	Different variables *special problem	2500	x47
530H	Points in triangle *special problem, geometry	2100	x123
530G	Levenshtein distance *special problem	2100	x158
530F	Jumping frogs *special problem	2100	x101
530E	Sum and product *special problem	1700	x307
530D	Set subtraction *special problem	1600	x452
530B	String inside out *special problem	1600	x542
529B	Group Photo 2 (online mirror version) brute force, greedy, sortings	1900	x866
528E	Triangles 3000 geometry, sortings	3100	x217
528D	Fuzzy Search bitmasks, brute force, fft	2500	x2132
527E	Data Center Drama dfs and similar, graphs	2600	x1977
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4754
526G	Spiders Evil Plan greedy, trees	3300	x724
526F	Pudding Monsters data structures, divide and conquer	3000	x2520
526E	Transmitting Levels dp, implementation	2400	x1070
526D	Om Nom and Necklace hashing, string suffix structures, strings	2200	x2148
526C	Om Nom and Candies brute force, greedy, math	2000	x2478
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x3166
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1758
525C	Ilya and Sticks greedy, math, sortings	1600	x5797
524F	And Yet Another Bracket Sequence data structures, greedy, hashing, string suffix structures, strings	2700	x527
524E	Rooks and Rectangles data structures, sortings	2400	x1189
524D	Social Network greedy, two pointers	2100	x950
524C	The Art of Dealing with ATM binary search, sortings	1900	x2042
524B	Фото на память - 2 (round version) dp, greedy	1700	x1455
524A	Возможно, вы знаете этих людей? implementation	1600	x1400
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2325
522D	Closest Equals *special problem, data structures	2000	x3148
522C	Chicken or Fish? greedy	2100	x717
521E	Cycling City dfs and similar, graphs	3100	x1001
521D	Shop greedy	2800	x1580
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1868
520D	Cubes games, greedy, implementation	2100	x1545
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6816
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6359
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x367
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x927
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6942
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x5979
518A	Vitaly and Strings constructive algorithms, strings	1600	x9199
516E	Drazil and His Happy Friends math, number theory	3100	x503
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1308
515E	Drazil and Park data structures	2300	x2107
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2835
514E	Darth Vader and Tree dp, matrices	2200	x1422
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4340
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6793