Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
04:51:11
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Problems

#	Name
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6603
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x774
283D	Cows and Cool Sequences dp, math, number theory	2400	x535
283C	Coin Troubles dp	2100	x1447
283B	Cow Program dfs and similar, dp, graphs	1700	x3670
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6581
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3633
282D	Yet Another Number Game dp, games	2100	x1445
282C	XOR and OR constructive algorithms, implementation, math	1500	x9439
282B	Painting Eggs greedy, math	1500	x13016
282A	Bit++ implementation	800	x266956
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3036
281A	Word Capitalization implementation, strings	800	x214641
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x207
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1317
280C	Game on Tree implementation, math, probabilities, trees	2200	x4136
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4730
280A	Rectangle Puzzle geometry	2000	x1472
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1449
279D	The Minimum Number of Variables bitmasks, dp	2200	x736
279C	Ladder dp, implementation, two pointers	1700	x8283
279B	Books binary search, brute force, implementation, two pointers	1400	x53818
279A	Point on Spiral brute force, geometry, implementation	1400	x5618
278B	New Problem brute force, strings	1500	x3461
278A	Circle Line implementation	800	x11692
277E	Binary Tree on Plane flows, trees	2400	x1293
277D	Google Code Jam dp, probabilities	2800	x336
277C	Game games, implementation	2400	x452
277B	Set of Points constructive algorithms, geometry	2300	x811
277A	Learning Languages dfs and similar, dsu	1400	x19020
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1613
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13942
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x27123
276B	Little Girl and Game games, greedy	1300	x28767
276A	Lunch Rush implementation	900	x27781
275B	Convex Shape constructive algorithms, implementation	1700	x2827
275A	Lights Out implementation	900	x30417
274E	Mirror Room data structures, implementation	3000	x313
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1042
274C	The Last Hole! brute force, geometry	2600	x350
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5042
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10094
273E	Dima and Game dp, games	2600	x366
273D	Dima and Figure dp	2400	x417
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1230
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2629
272C	Dima and Staircase data structures, implementation	1500	x6802
272B	Dima and Sequence implementation, math	1400	x4034
272A	Dima and Friends implementation, math	1000	x24754
271E	Three Horses constructive algorithms, math, number theory	2200	x505
271D	Good Substrings data structures, strings	1800	x11467
271C	Secret constructive algorithms, implementation	1500	x2998
271B	Prime Matrix binary search, brute force, math, number theory	1300	x13186
271A	Beautiful Year brute force	800	x140191
270B	Multithreading data structures, greedy, implementation	1400	x4178
270A	Fancy Fence geometry, implementation, math	1100	x45750
269E	String Theory geometry, math, strings	3100	x109
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x450
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1687
269B	Greenhouse Effect dp	1700	x6342
269A	Magical Boxes greedy, math	1600	x3535
268E	Playlist math, probabilities, sortings	2100	x1026
268D	Wall Bars dp	2300	x510
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13693
268B	Buttons implementation, math	1000	x32619
268A	Games brute force	800	x87323
267C	Berland Traffic math, matrices	2700	x164
267B	Dominoes dfs and similar, graphs	2000	x644
267A	Subtractions math, number theory	900	x7558
266E	More Queries to Array... data structures, math	2500	x929
266D	BerDonalds graphs, math, shortest paths	2400	x899
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1353
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x136644
266A	Stones on the Table implementation	800	x193568
265B	Roadside Trees (Simplified Edition) greedy, implementation	1000	x17260
265A	Colorful Stones (Simplified Edition) implementation	800	x37038
264E	Roadside Trees data structures, dp	3000	x436
264D	Colorful Stones dp, two pointers	2500	x422
264C	Choosing Balls dp	2000	x2954
264B	Good Sequences dp, number theory	1500	x10356
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10816
263E	Rhombus brute force, data structures, dp	2500	x402
263D	Cycle in Graph dfs and similar, graphs	1800	x3636
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1078
263B	Squares greedy, implementation, sortings	900	x8944
263A	Beautiful Matrix implementation	800	x248038
262B	Roma and Changing Signs greedy	1200	x11423
262A	Roma and Lucky Numbers implementation	800	x20048
261E	Maxim and Calculator brute force, dp, two pointers	2800	x416
261D	Maxim and Increasing Subsequence dp	2600	x563
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x779
261B	Maxim and Restaurant dp, math, probabilities	1900	x1415
261A	Maxim and Discounts greedy, sortings	1400	x5205
260E	Dividing Kingdom binary search, brute force, data structures	2500	x457
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1549
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2984
260B	Ancient Prophesy brute force, implementation, strings	1600	x3823
260A	Adding Digits implementation, math	1400	x14839
259B	Little Elephant and Magic Square brute force, implementation	1100	x13984
259A	Little Elephant and Chess brute force, strings	1000	x9186