Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
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Problems

#	Name
538A	Cutting Banner brute force, implementation	1400	x7110
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
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x22375
535A	Tavas and Nafas brute force, implementation	1000	x12160
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	x2396
534C	Polycarpus' Dice math	1600	x4993
534B	Covered Path dp, greedy, math	1400	x10151
534A	Exam constructive algorithms, implementation, math	1100	x12228
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	x2373
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
530C	Diophantine equation *special problem	1500	x552
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	x866
528E	Triangles 3000 geometry, sortings	3100	x217
528D	Fuzzy Search bitmasks, brute force, fft	2500	x2131
527E	Data Center Drama dfs and similar, graphs	2600	x1977
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4754
527C	Glass Carving binary search, data structures, implementation	1500	x6874
527B	Error Correct System greedy	1500	x3874
527A	Playing with Paper implementation, math	1100	x14400
526G	Spiders Evil Plan greedy, trees	3300	x724
526F	Pudding Monsters data structures, divide and conquer	3000	x2519
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
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4491
526A	King of Thieves brute force, implementation	1300	x4759
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
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9355
525A	Vitaliy and Pie greedy, hashing, strings	1100	x14491
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	x2324
523C	Name Quest *special problem, greedy	1400	x2492
523B	Mean Requests *special problem, implementation	1500	x949
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2624
522D	Closest Equals *special problem, data structures	2000	x3148
522C	Chicken or Fish? greedy	2100	x717
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8807
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x16232
521E	Cycling City dfs and similar, graphs	3100	x1000
521D	Shop greedy	2800	x1578
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1868
520D	Cubes games, greedy, implementation	2100	x1545
520C	DNA Alignment math, strings	1500	x4138
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x50581
520A	Pangram implementation, strings	800	x96250
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6813
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6359
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19668
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x39023
519A	A and B and Chess implementation	900	x18944
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
518B	Tanya and Postcard greedy, implementation, strings	1400	x7946
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
515C	Drazil and Factorial greedy, math, sortings	1400	x25835
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1300	x7433
515A	Drazil and Date math	1000	x20156
514E	Darth Vader and Tree dp, matrices	2200	x1422
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4338
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6793
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20709
514A	Chewbaсca and Number greedy, implementation	1200	x51428
513G3	Inversions problem dp	3100	x263
513G2	Inversions problem dp, probabilities	2400	x652
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1779
513F2	Scaygerboss flows	2800	x353
513F1	Scaygerboss flows	2700	x321
513E2	Subarray Cuts dp	2700	x569
513E1	Subarray Cuts dp	2600	x479