Problemset - Codeforces

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Codeforces Round 961 (Div. 2)
05:17:02
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Problems

#	Name
530C	Diophantine equation *special problem	1500	x546
530B	String inside out *special problem	1600	x541
530A	Quadratic equation *special problem	1500	x672
529B	Group Photo 2 (online mirror version) brute force, greedy, sortings	1900	x856
528E	Triangles 3000 geometry, sortings	3100	x216
528D	Fuzzy Search bitmasks, brute force, fft	2500	x2107
527E	Data Center Drama dfs and similar, graphs	2600	x1914
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4688
527C	Glass Carving binary search, data structures, implementation	1500	x6736
527B	Error Correct System greedy	1500	x3861
527A	Playing with Paper implementation, math	1100	x14311
526G	Spiders Evil Plan greedy, trees	3300	x705
526F	Pudding Monsters data structures, divide and conquer	3000	x2405
526E	Transmitting Levels dp, implementation	2400	x1065
526D	Om Nom and Necklace hashing, string suffix structures, strings	2200	x2126
526C	Om Nom and Candies brute force, greedy, math	2000	x2447
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4476
526A	King of Thieves brute force, implementation	1300	x4741
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x3047
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1714
525C	Ilya and Sticks greedy, math, sortings	1600	x5767
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9271
525A	Vitaliy and Pie greedy, hashing, strings	1100	x14250
524F	And Yet Another Bracket Sequence data structures, greedy, hashing, string suffix structures, strings	2700	x525
524E	Rooks and Rectangles data structures, sortings	2400	x1179
524D	Social Network greedy, two pointers	2100	x948
524C	The Art of Dealing with ATM binary search, sortings	1900	x2027
524B	Фото на память - 2 (round version) dp, greedy	1700	x1449
524A	Возможно, вы знаете этих людей? implementation	1600	x1396
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2270
523C	Name Quest *special problem, greedy	1400	x2480
523B	Mean Requests *special problem, implementation	1500	x945
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2604
522D	Closest Equals *special problem, data structures	2000	x3062
522C	Chicken or Fish? greedy	2100	x714
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8758
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x16023
521E	Cycling City dfs and similar, graphs	3100	x957
521D	Shop greedy	2800	x1517
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1840
520D	Cubes games, greedy, implementation	2100	x1538
520C	DNA Alignment math, strings	1500	x4122
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x49450
520A	Pangram implementation, strings	800	x93385
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6603
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6319
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19482
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x38511
519A	A and B and Chess implementation	900	x18830
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x358
518E	Arthur and Questions greedy, implementation, math, ternary search	2200	x915
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6867
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x5954
518B	Tanya and Postcard greedy, implementation, strings	1400	x7889
518A	Vitaly and Strings constructive algorithms, strings	1600	x9168
516E	Drazil and His Happy Friends math, number theory	3100	x490
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1246
515E	Drazil and Park data structures	2300	x2076
515D	Drazil and Tiles constructive algorithms, greedy	2000	x2825
515C	Drazil and Factorial greedy, math, sortings	1400	x25463
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1300	x7399
515A	Drazil and Date math	1000	x19884
514E	Darth Vader and Tree dp, matrices	2200	x1394
514D	R2D2 and Droid Army binary search, data structures, two pointers	2000	x4222
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6657
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20505
514A	Chewbaсca and Number greedy, implementation	1200	x48936
513G3	Inversions problem dp	3100	x259
513G2	Inversions problem dp, probabilities	2400	x640
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1772
513F2	Scaygerboss flows	2800	x336
513F1	Scaygerboss flows	2700	x311
513E2	Subarray Cuts dp	2700	x559
513E1	Subarray Cuts dp	2600	x473
513D2	Constrained Tree constructive algorithms, data structures	2600	x370
513D1	Constrained Tree dfs and similar	2400	x480
513C	Second price auction bitmasks, probabilities	2000	x1527
513B2	Permutations bitmasks, divide and conquer, math	1800	x2576
513B1	Permutations brute force	1400	x3590
513A	Game constructive algorithms, math	800	x20082
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x507
512D	Fox And Travelling dp, trees	2900	x948
510E	Fox And Dinner flows	2300	x2167
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5277
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15665
510B	Fox And Two Dots dfs and similar	1500	x13692
510A	Fox And Snake implementation	800	x80103
509F	Progress Monitoring dp, trees	2300	x925
509E	Pretty Song math, strings	2000	x1780
509D	Restoring Numbers constructive algorithms, math	2200	x739
509C	Sums of Digits dp, greedy, implementation	2000	x2046
509B	Painting Pebbles constructive algorithms, greedy, implementation	1300	x9571
509A	Maximum in Table brute force, implementation	800	x37806
508E	Arthur and Brackets dp, greedy	2200	x1735
508D	Tanya and Password dfs and similar, graphs	2500	x3306
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4433
508B	Anton and currency you all know greedy, math, strings	1300	x22352
508A	Pasha and Pixels brute force	1100	x7825
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2813
507D	The Maths Lecture dp, implementation	2200	x1717