Problemset - Codeforces

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Codeforces Round 1006 (Div. 3)
2 days
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Problems

#	Name
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1570
285C	Building Permutation greedy, implementation, sortings	1200	x23734
285B	Find Marble implementation	1200	x15208
285A	Slightly Decreasing Permutations greedy, implementation	1100	x13555
284B	Cows and Poker Game brute force, implementation	1000	x6980
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6700
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x783
283D	Cows and Cool Sequences dp, math, number theory	2400	x555
283C	Coin Troubles dp	2100	x1477
283B	Cow Program dfs and similar, dp, graphs	1700	x3698
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6624
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3725
282D	Yet Another Number Game dp, games	2100	x1470
282C	XOR and OR constructive algorithms, implementation, math	1500	x9566
282B	Painting Eggs greedy, math	1500	x13233
282A	Bit++ implementation	800	x285318
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3060
281A	Word Capitalization implementation, strings	800	x226558
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x214
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1390
280C	Game on Tree implementation, math, probabilities, trees	2200	x4261
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4812
280A	Rectangle Puzzle geometry	2000	x1478
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1465
279D	The Minimum Number of Variables bitmasks, dp	2200	x790
279C	Ladder dp, implementation, two pointers	1700	x8395
279B	Books binary search, brute force, implementation, two pointers	1400	x56979
279A	Point on Spiral brute force, geometry, implementation	1400	x5655
278B	New Problem brute force, strings	1500	x3506
278A	Circle Line implementation	800	x12001
277E	Binary Tree on Plane flows, trees	2400	x1348
277D	Google Code Jam dp, probabilities	2800	x342
277C	Game games, implementation	2400	x458
277B	Set of Points constructive algorithms, geometry	2300	x819
277A	Learning Languages dfs and similar, dsu	1400	x19499
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1668
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x14318
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x29451
276B	Little Girl and Game games, greedy	1300	x29434
276A	Lunch Rush implementation	900	x28232
275B	Convex Shape constructive algorithms, implementation	1700	x2850
275A	Lights Out implementation	900	x31380
274E	Mirror Room data structures, implementation	3000	x318
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1053
274C	The Last Hole! brute force, geometry	2600	x351
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5102
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10315
273E	Dima and Game dp, games	2600	x370
273D	Dima and Figure dp	2400	x427
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1234
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2649
272C	Dima and Staircase data structures, implementation	1500	x6865
272B	Dima and Sequence implementation, math	1400	x4078
272A	Dima and Friends implementation, math	1000	x25363
271E	Three Horses constructive algorithms, math, number theory	2200	x521
271D	Good Substrings data structures, strings	1800	x11892
271C	Secret constructive algorithms, implementation	1500	x3019
271B	Prime Matrix binary search, brute force, math, number theory	1300	x13536
271A	Beautiful Year brute force	800	x148547
270B	Multithreading data structures, greedy, implementation	1400	x4213
270A	Fancy Fence geometry, implementation, math	1100	x46775
269E	String Theory geometry, math, strings	3100	x110
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x466
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1702
269B	Greenhouse Effect dp	1700	x6452
269A	Magical Boxes greedy, math	1600	x3564
268E	Playlist math, probabilities, sortings	2100	x1034
268D	Wall Bars dp	2300	x513
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13890
268B	Buttons implementation, math	1000	x33414
268A	Games brute force	800	x90936
267C	Berland Traffic math, matrices	2700	x168
267B	Dominoes dfs and similar, graphs	2000	x661
267A	Subtractions math, number theory	900	x7887
266E	More Queries to Array... data structures, math	2500	x944
266D	BerDonalds graphs, math, shortest paths	2400	x911
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1373
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x142967
266A	Stones on the Table implementation	800	x203644
265B	Roadside Trees (Simplified Edition) greedy, implementation	1000	x17390
265A	Colorful Stones (Simplified Edition) implementation	800	x38351
264E	Roadside Trees data structures, dp	3000	x439
264D	Colorful Stones dp, two pointers	2500	x425
264C	Choosing Balls dp	2000	x3029
264B	Good Sequences dp, number theory	1500	x10721
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x11037
263E	Rhombus brute force, data structures, dp	2500	x413
263D	Cycle in Graph dfs and similar, graphs	1800	x3699
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1096
263B	Squares greedy, implementation, sortings	900	x9103
263A	Beautiful Matrix implementation	800	x261784
262B	Roma and Changing Signs greedy	1200	x11592
262A	Roma and Lucky Numbers implementation	800	x20387
261E	Maxim and Calculator brute force, dp, two pointers	2800	x419
261D	Maxim and Increasing Subsequence dp	2600	x589
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x782
261B	Maxim and Restaurant dp, math, probabilities	1900	x1430
261A	Maxim and Discounts greedy, sortings	1400	x5330
260E	Dividing Kingdom binary search, brute force, data structures	2500	x468
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1576