Problemset - Codeforces

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Codeforces Round 961 (Div. 2)
15:15:20
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Problems

#	Name
305C	Ivan and Powers of Two greedy, implementation	1600	x2432
305B	Continued Fractions brute force, implementation, math	1700	x2047
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4693
304B	Calendar brute force, implementation	1300	x2954
304A	Pythagorean Theorem II brute force, math	1200	x10335
303E	Random Ranking dp, math, probabilities	3000	x316
303D	Rotatable Number math, number theory	2600	x293
303C	Minimum Modular brute force, graphs, math, number theory	2400	x866
303B	Rectangle Puzzle II implementation, math	1700	x1336
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7800
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7946
302A	Eugeny and Array implementation	800	x9014
301E	Yaroslav and Arrangements dp	2800	x364
301D	Yaroslav and Divisors data structures	2200	x2296
301C	Yaroslav and Algorithm constructive algorithms	2500	x461
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2370
301A	Yaroslav and Sequence constructive algorithms	1800	x3059
300E	Empire Strikes Back binary search, math, number theory	2300	x1029
300D	Painting Square dp, fft	2300	x743
300C	Beautiful Numbers brute force, combinatorics	1800	x9133
300B	Coach brute force, dfs and similar, graphs	1500	x6200
300A	Array brute force, constructive algorithms, implementation	1100	x22349
299B	Ksusha the Squirrel brute force, implementation	900	x5227
299A	Ksusha and Array brute force, number theory, sortings	1000	x7855
298B	Sail brute force, greedy, implementation	1200	x13805
298A	Snow Footprints greedy, implementation	1300	x10717
297E	Mystic Carvings data structures	3000	x367
297D	Color the Carpet constructive algorithms	2500	x501
297C	Splitting the Uniqueness constructive algorithms	2400	x934
297B	Fish Weight constructive algorithms, greedy	1600	x3463
297A	Parity Game constructive algorithms	1700	x3603
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2170
296A	Yaroslav and Permutations greedy, math	1100	x22550
295E	Yaroslav and Points data structures	2500	x659
295D	Greg and Caves combinatorics, dp	2400	x642
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1669
295B	Greg and Graph dp, graphs, shortest paths	1700	x13596
295A	Greg and Array data structures, implementation	1400	x16879
294E	Shaass the Great dp, trees	2300	x920
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x308
294C	Shaass and Lights combinatorics, number theory	1900	x3753
294B	Shaass and Bookshelf dp, greedy	1700	x4453
294A	Shaass and Oskols implementation, math	800	x22803
293E	Close Vertices data structures, divide and conquer, trees	2700	x1374
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x236
293C	Cube Problem brute force, math, number theory	2400	x564
293B	Distinct Paths brute force, combinatorics	2700	x839
293A	Weird Game games, greedy	1500	x2852
292E	Copying Data data structures	1900	x4010
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2376
292C	Beautiful IP Addresses brute force	2000	x1127
292B	Network Topology graphs, implementation	1200	x8002
292A	SMSC implementation	1100	x2675
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1287
291D	Parallel Programming *special problem, greedy	1600	x1470
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1670
291B	Command Line Arguments *special problem, implementation, strings	1300	x3021
291A	Spyke Talks *special problem, implementation, sortings	800	x6033
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x130
290E	HQ *special problem, constructive algorithms	2500	x198
290D	Orange *special problem, implementation	1400	x1789
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1529
290B	QR code *special problem, implementation	1500	x2417
290A	Mysterious strings *special problem, implementation	1400	x2979
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17035
289A	Polo the Penguin and Segments brute force, implementation	1100	x8964
288E	Polo the Penguin and Lucky Numbers dp, implementation, math	2800	x288
288D	Polo the Penguin and Trees combinatorics, dfs and similar, trees	2400	x737
288C	Polo the Penguin and XOR operation implementation, math	1700	x2268
288B	Polo the Penguin and Houses combinatorics	1500	x2893
288A	Polo the Penguin and Strings greedy	1300	x6457
287B	Pipeline binary search, math	1700	x9284
287A	IQ Test brute force, implementation	1100	x19277
286E	Ladies' Shop constructive algorithms, fft, math	2800	x826
286D	Tourists data structures, sortings	2600	x373
286C	Main Sequence greedy, implementation	2100	x1478
286B	Shifting implementation	2200	x1110
286A	Lucky Permutation constructive algorithms, math	1400	x3138
285E	Positions in Permutations combinatorics, dp, math	2600	x964
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1513
285C	Building Permutation greedy, implementation, sortings	1200	x22830
285B	Find Marble implementation	1200	x14884
285A	Slightly Decreasing Permutations greedy, implementation	1100	x13220
284B	Cows and Poker Game brute force, implementation	1000	x6720
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6484
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x727
283D	Cows and Cool Sequences dp, math, number theory	2400	x529
283C	Coin Troubles dp	2100	x1418
283B	Cow Program dfs and similar, dp, graphs	1700	x3630
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6515
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3512
282D	Yet Another Number Game dp, games	2100	x1396
282C	XOR and OR constructive algorithms, implementation, math	1500	x9229
282B	Painting Eggs greedy, math	1500	x12746
282A	Bit++ implementation	800	x247131
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2953
281A	Word Capitalization implementation, strings	800	x202539
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x203
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1237
280C	Game on Tree implementation, math, probabilities, trees	2200	x3812