Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
11:53:59
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Problems

#	Name
286D	Tourists data structures, sortings	2600	x378
286C	Main Sequence greedy, implementation	2100	x1503
286B	Shifting implementation	2200	x1112
286A	Lucky Permutation constructive algorithms, math	1400	x3155
285E	Positions in Permutations combinatorics, dp, math	2600	x983
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1542
285C	Building Permutation greedy, implementation, sortings	1200	x23150
285B	Find Marble implementation	1200	x14985
285A	Slightly Decreasing Permutations greedy, implementation	1100	x13315
284B	Cows and Poker Game brute force, implementation	1000	x6767
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6554
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x768
283D	Cows and Cool Sequences dp, math, number theory	2400	x531
283C	Coin Troubles dp	2100	x1433
283B	Cow Program dfs and similar, dp, graphs	1700	x3653
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6551
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3572
282D	Yet Another Number Game dp, games	2100	x1422
282C	XOR and OR constructive algorithms, implementation, math	1500	x9369
282B	Painting Eggs greedy, math	1500	x12908
282A	Bit++ implementation	800	x256819
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3020
281A	Word Capitalization implementation, strings	800	x208739
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x205
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1275
280C	Game on Tree implementation, math, probabilities, trees	2200	x3950
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4525
280A	Rectangle Puzzle geometry	2000	x1461
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1435
279D	The Minimum Number of Variables bitmasks, dp	2200	x724
279C	Ladder dp, implementation, two pointers	1700	x8219
279B	Books binary search, brute force, implementation, two pointers	1400	x52032
279A	Point on Spiral brute force, geometry, implementation	1400	x5579
278B	New Problem brute force, strings	1500	x3447
278A	Circle Line implementation	800	x11632
277E	Binary Tree on Plane flows, trees	2400	x1277
277D	Google Code Jam dp, probabilities	2800	x336
277C	Game games, implementation	2400	x449
277B	Set of Points constructive algorithms, geometry	2300	x802
277A	Learning Languages dfs and similar, dsu	1400	x18781
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1596
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13704
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x26097
276B	Little Girl and Game games, greedy	1300	x28380
276A	Lunch Rush implementation	900	x27518
275B	Convex Shape constructive algorithms, implementation	1700	x2819
275A	Lights Out implementation	900	x29904
274E	Mirror Room data structures, implementation	3000	x313
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1029
274C	The Last Hole! brute force, geometry	2600	x350
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x4996
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10017
273E	Dima and Game dp, games	2600	x366
273D	Dima and Figure dp	2400	x412
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1218
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2613
272C	Dima and Staircase data structures, implementation	1500	x6771
272B	Dima and Sequence implementation, math	1400	x4010
272A	Dima and Friends implementation, math	1000	x24396
271E	Three Horses constructive algorithms, math, number theory	2200	x485
271D	Good Substrings data structures, strings	1800	x11138
271C	Secret constructive algorithms, implementation	1500	x2937
271B	Prime Matrix binary search, brute force, math, number theory	1300	x12942
271A	Beautiful Year brute force	800	x136154
270B	Multithreading data structures, greedy, implementation	1400	x4123
270A	Fancy Fence geometry, implementation, math	1100	x45037
269E	String Theory geometry, math, strings	3100	x108
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x449
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1672
269B	Greenhouse Effect dp	1700	x6281
269A	Magical Boxes greedy, math	1600	x3517
268E	Playlist math, probabilities, sortings	2100	x985
268D	Wall Bars dp	2300	x508
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13611
268B	Buttons implementation, math	1000	x32163
268A	Games brute force	800	x85580
267C	Berland Traffic math, matrices	2700	x161
267B	Dominoes dfs and similar, graphs	2000	x632
267A	Subtractions math, number theory	900	x7417
266E	More Queries to Array... data structures, math	2500	x918
266D	BerDonalds graphs, math, shortest paths	2400	x890
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1346
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x133763
266A	Stones on the Table implementation	800	x188615
265B	Roadside Trees (Simplified Edition) greedy, implementation	1000	x17182
265A	Colorful Stones (Simplified Edition) implementation	800	x36434
264E	Roadside Trees data structures, dp	3000	x428
264D	Colorful Stones dp, two pointers	2500	x419
264C	Choosing Balls dp	2000	x2897
264B	Good Sequences dp, number theory	1500	x10125
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10738
263E	Rhombus brute force, data structures, dp	2500	x400
263D	Cycle in Graph dfs and similar, graphs	1800	x3582
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1074
263B	Squares greedy, implementation, sortings	900	x8875
263A	Beautiful Matrix implementation	800	x240911
262B	Roma and Changing Signs greedy	1200	x11307
262A	Roma and Lucky Numbers implementation	800	x19827
261E	Maxim and Calculator brute force, dp, two pointers	2800	x413
261D	Maxim and Increasing Subsequence dp	2600	x561