Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
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Problems

#	Name
550E	Brackets in Implications constructive algorithms, greedy, implementation, math	2200	x1391
550D	Regular Bridge constructive algorithms, graphs, implementation	1900	x3340
550C	Divisibility by Eight brute force, dp, math	1500	x28471
550B	Preparing Olympiad bitmasks, brute force	1400	x20975
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x37834
549H	Degenerate Matrix binary search, math	2100	x1990
549G	Happy Line constructive algorithms, greedy, sortings	2200	x2436
549F	Yura and Developers data structures, divide and conquer	2800	x869
549E	Sasha Circle geometry, math	2700	x154
549D	Haar Features greedy, implementation	1900	x2141
549C	The Game Of Parity games	2200	x1735
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1498
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8422
547E	Mike and Friends data structures, string suffix structures, strings, trees	2800	x2091
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2571
547C	Mike and Foam bitmasks, combinatorics, dp, math, number theory	2300	x2829
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x8631
547A	Mike and Frog brute force, greedy, implementation, math	2200	x2541
546E	Soldier and Traveling flows, graphs, math	2100	x3601
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11744
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17520
545E	Paths and Trees graphs, greedy, shortest paths	2000	x4613
545C	Woodcutters dp, greedy	1500	x27706
544B	Sea and Islands constructive algorithms, implementation	1400	x8002
543E	Listening to Music constructive algorithms, data structures	3200	x288
543D	Road Improvement dp, trees	2300	x2699
543C	Remembering Strings bitmasks, dp	2500	x1381
543B	Destroying Roads constructive algorithms, graphs, shortest paths	2100	x4091
543A	Writing Code dp	1800	x7931
542F	Quest dp, greedy	2100	x924
542E	Playing on Graph graphs, shortest paths	2600	x849
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x510
542C	Idempotent functions constructive algorithms, graphs, math	2000	x1122
542B	Duck Hunt data structures	3100	x201
542A	Place Your Ad Here data structures, sortings	2400	x571
540E	Infinite Inversions binary search, data structures, implementation, sortings, trees	2100	x2108
540D	Bad Luck Island dp, probabilities	1900	x5450
540C	Ice Cave dfs and similar	2000	x7278
540B	School Marks greedy, implementation	1700	x4700
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x654
538G	Berserk Robot constructive algorithms, math, sortings	3100	x456
538F	A Heap of Heaps brute force, data structures, math, sortings	2200	x1725
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1537
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2424
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5806
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17999
538A	Cutting Banner brute force, implementation	1400	x7129
536E	Tavas on the Path data structures, divide and conquer, trees	3100	x386
536D	Tavas in Kansas dp, games	2900	x729
535E	Tavas and Pashmaks geometry, math	2600	x806
535D	Tavas and Malekas greedy, hashing, string suffix structures, strings	1900	x3948
535C	Tavas and Karafs binary search, greedy, math	1900	x3778
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x470
534E	Berland Local Positioning System constructive algorithms, greedy, hashing, implementation	2400	x350
534D	Handshakes binary search, constructive algorithms, data structures, greedy	1900	x2405
534C	Polycarpus' Dice math	1600	x5005
534B	Covered Path dp, greedy, math	1400	x10214
533F	Encoding hashing, string suffix structures, strings	2400	x894
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2258
533D	Landmarks data structures, dp	3000	x235
533C	Board Game games, greedy, implementation, math	1700	x2192
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2381
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x389
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
530C	Diophantine equation *special problem	1500	x555
530B	String inside out *special problem	1600	x542
530A	Quadratic equation *special problem	1500	x673
529B	Group Photo 2 (online mirror version) brute force, greedy, sortings	1900	x869
528E	Triangles 3000 geometry, sortings	3100	x218
528D	Fuzzy Search bitmasks, brute force, fft	2500	x2159
527E	Data Center Drama dfs and similar, graphs	2600	x1989
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4768
527C	Glass Carving binary search, data structures, implementation	1500	x6891
527B	Error Correct System greedy	1500	x3879
526G	Spiders Evil Plan greedy, trees	3300	x727
526F	Pudding Monsters data structures, divide and conquer	3000	x2526
526E	Transmitting Levels dp, implementation	2400	x1070
526D	Om Nom and Necklace hashing, string suffix structures, strings	2200	x2151
526C	Om Nom and Candies brute force, greedy, math	2000	x2482
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4495
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x3174
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1760
525C	Ilya and Sticks greedy, math, sortings	1600	x5804
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9364
524F	And Yet Another Bracket Sequence data structures, greedy, hashing, string suffix structures, strings	2700	x527
524E	Rooks and Rectangles data structures, sortings	2400	x1191
524D	Social Network greedy, two pointers	2100	x954
524C	The Art of Dealing with ATM binary search, sortings	1900	x2048
524B	Фото на память - 2 (round version) dp, greedy	1700	x1458
524A	Возможно, вы знаете этих людей? implementation	1600	x1409
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2329
523C	Name Quest *special problem, greedy	1400	x2496
523B	Mean Requests *special problem, implementation	1500	x952
522D	Closest Equals *special problem, data structures	2000	x3162
522C	Chicken or Fish? greedy	2100	x720