Problemset - Codeforces

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Problems

#	Name
549E	Sasha Circle geometry, math	2700	x155
549D	Haar Features greedy, implementation	1900	x2141
549C	The Game Of Parity games	2200	x1738
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1503
547E	Mike and Friends data structures, string suffix structures, strings, trees	2800	x2115
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2633
547C	Mike and Foam bitmasks, combinatorics, dp, math, number theory	2300	x2899
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x8828
547A	Mike and Frog brute force, greedy, implementation, math	2200	x2596
546E	Soldier and Traveling flows, graphs, math	2100	x3674
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11973
545E	Paths and Trees graphs, greedy, shortest paths	2000	x4684
543E	Listening to Music constructive algorithms, data structures	3200	x300
543D	Road Improvement dp, trees	2300	x2758
543C	Remembering Strings bitmasks, dp	2500	x1405
543B	Destroying Roads constructive algorithms, graphs, shortest paths	2100	x4138
543A	Writing Code dp	1800	x8009
542F	Quest dp, greedy	2100	x927
542E	Playing on Graph graphs, shortest paths	2600	x865
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x514
542C	Idempotent functions constructive algorithms, graphs, math	2000	x1135
542B	Duck Hunt data structures	3100	x205
542A	Place Your Ad Here data structures, sortings	2400	x575
540E	Infinite Inversions binary search, data structures, implementation, sortings, trees	2100	x2137
540D	Bad Luck Island dp, probabilities	1900	x5531
540C	Ice Cave dfs and similar	2000	x7353
540B	School Marks greedy, implementation	1700	x4711
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x662
538G	Berserk Robot constructive algorithms, math, sortings	3100	x470
538F	A Heap of Heaps brute force, data structures, math, sortings	2200	x1738
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1547
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2430
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5827
536E	Tavas on the Path data structures, divide and conquer, trees	3100	x398
536D	Tavas in Kansas dp, games	2900	x734
535E	Tavas and Pashmaks geometry, math	2600	x806
535D	Tavas and Malekas greedy, hashing, string suffix structures, strings	1900	x3961
535C	Tavas and Karafs binary search, greedy, math	1900	x3800
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x473
534E	Berland Local Positioning System constructive algorithms, greedy, hashing, implementation	2400	x351
534D	Handshakes binary search, constructive algorithms, data structures, greedy	1900	x2419
534C	Polycarpus' Dice math	1600	x5037
533F	Encoding hashing, string suffix structures, strings	2400	x906
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2267
533D	Landmarks data structures, dp	3000	x235
533C	Board Game games, greedy, implementation, math	1700	x2199
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2410
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x392
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	x107
530E	Sum and product *special problem	1700	x308
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	x876
528E	Triangles 3000 geometry, sortings	3100	x219
528D	Fuzzy Search bitmasks, brute force, fft	2500	x2246
527E	Data Center Drama dfs and similar, graphs	2600	x2005
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4803
526G	Spiders Evil Plan greedy, trees	3300	x749
526F	Pudding Monsters data structures, divide and conquer	3000	x2582
526E	Transmitting Levels dp, implementation	2400	x1085
526D	Om Nom and Necklace hashing, string suffix structures, strings	2200	x2180
526C	Om Nom and Candies brute force, greedy, math	2000	x2525
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x3315
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1789
525C	Ilya and Sticks greedy, math, sortings	1600	x5827
524F	And Yet Another Bracket Sequence data structures, greedy, hashing, string suffix structures, strings	2700	x535
524E	Rooks and Rectangles data structures, sortings	2400	x1209
524D	Social Network greedy, two pointers	2100	x956
524C	The Art of Dealing with ATM binary search, sortings	1900	x2058
524B	Фото на память - 2 (round version) dp, greedy	1700	x1464
524A	Возможно, вы знаете этих людей? implementation	1600	x1413
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2348
522D	Closest Equals *special problem, data structures	2000	x3243
522C	Chicken or Fish? greedy	2100	x722
521E	Cycling City dfs and similar, graphs	3100	x1059
521D	Shop greedy	2800	x1615
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1882
520D	Cubes games, greedy, implementation	2100	x1564
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6936
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6397
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x374
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x1004
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x7052
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x6034
518A	Vitaly and Strings constructive algorithms, strings	1600	x9230
516E	Drazil and His Happy Friends math, number theory	3100	x505
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1319
515E	Drazil and Park data structures	2300	x2145
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2867
514E	Darth Vader and Tree dp, matrices	2200	x1445
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4485
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6955
513G3	Inversions problem dp	3100	x265
513G2	Inversions problem dp, probabilities	2400	x662
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1793
513F2	Scaygerboss flows	2800	x358
513F1	Scaygerboss flows	2700	x324