Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
2 days
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Problems

#	Name
279D	The Minimum Number of Variables bitmasks, dp	2200	x712
279C	Ladder dp, implementation, two pointers	1700	x8090
279B	Books binary search, brute force, implementation, two pointers	1400	x48454
279A	Point on Spiral brute force, geometry, implementation	1400	x5516
278B	New Problem brute force, strings	1500	x3421
278A	Circle Line implementation	800	x11481
277E	Binary Tree on Plane flows, trees	2400	x1241
277D	Google Code Jam dp, probabilities	2800	x329
277C	Game games, implementation	2400	x448
277B	Set of Points constructive algorithms, geometry	2300	x784
277A	Learning Languages dfs and similar, dsu	1400	x18202
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1555
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13108
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x24294
276B	Little Girl and Game games, greedy	1300	x27411
276A	Lunch Rush implementation	900	x26835
275B	Convex Shape constructive algorithms, implementation	1700	x2788
275A	Lights Out implementation	900	x28807
274E	Mirror Room data structures, implementation	3000	x303
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1010
274C	The Last Hole! brute force, geometry	2600	x348
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x4906
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9895
273E	Dima and Game dp, games	2600	x362
273D	Dima and Figure dp	2400	x386
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1176
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2591
272C	Dima and Staircase data structures, implementation	1500	x6693
272B	Dima and Sequence implementation, math	1400	x3923
272A	Dima and Friends implementation, math	1000	x23672
271E	Three Horses constructive algorithms, math, number theory	2200	x480
271D	Good Substrings data structures, strings	1800	x10418
271C	Secret constructive algorithms, implementation	1500	x2907
271B	Prime Matrix binary search, brute force, math, number theory	1300	x12495
271A	Beautiful Year brute force	800	x128988
270B	Multithreading data structures, greedy, implementation	1400	x4087
270A	Fancy Fence geometry, implementation, math	1100	x43695
269E	String Theory geometry, math, strings	3100	x108
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x429
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1622
269B	Greenhouse Effect dp	1700	x6154
269A	Magical Boxes greedy, math	1600	x3481
268E	Playlist math, probabilities, sortings	2100	x978
268D	Wall Bars dp	2300	x500
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13295
268B	Buttons implementation, math	1000	x31081
268A	Games brute force	800	x81670
267C	Berland Traffic math, matrices	2700	x160
267B	Dominoes dfs and similar, graphs	2000	x616
267A	Subtractions math, number theory	900	x7185
266E	More Queries to Array... data structures, math	2500	x721
266D	BerDonalds graphs, math, shortest paths	2400	x713
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1336
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x127887
266A	Stones on the Table implementation	800	x179695
265B	Roadside Trees (Simplified Edition) greedy, implementation	1000	x16930
265A	Colorful Stones (Simplified Edition) implementation	800	x34715
264E	Roadside Trees data structures, dp	3000	x397
264D	Colorful Stones dp, two pointers	2500	x408
264C	Choosing Balls dp	2000	x2686
264B	Good Sequences dp, number theory	1500	x9730
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10627
263E	Rhombus brute force, data structures, dp	2500	x395
263D	Cycle in Graph dfs and similar, graphs	1800	x3263
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1056
263B	Squares greedy, implementation, sortings	900	x8740
263A	Beautiful Matrix implementation	800	x227479
262B	Roma and Changing Signs greedy	1200	x10968
262A	Roma and Lucky Numbers implementation	800	x19292
261E	Maxim and Calculator brute force, dp, two pointers	2800	x406
261D	Maxim and Increasing Subsequence dp	2600	x554
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x761
261B	Maxim and Restaurant dp, math, probabilities	1900	x1366
261A	Maxim and Discounts greedy, sortings	1400	x5104
260E	Dividing Kingdom binary search, brute force, data structures	2500	x422
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1317
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2930
260B	Ancient Prophesy brute force, implementation, strings	1600	x3747
260A	Adding Digits implementation, math	1400	x14184
259B	Little Elephant and Magic Square brute force, implementation	1100	x13713
259A	Little Elephant and Chess brute force, strings	1000	x8953
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1036
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1217
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1763
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1423
258A	Little Elephant and Bits greedy, math	1100	x22175
257E	Greedy Elevator data structures, implementation	2200	x276
257D	Sum greedy, math	1900	x1547
257C	View Angle brute force, geometry, math	1800	x4208
257B	Playing Cubes games, greedy, implementation	1300	x6883
257A	Sockets greedy, implementation, sortings	1100	x6394
256E	Lucky Arrays data structures	2400	x656
256D	Liars and Serge dp	2700	x256
255E	Furlo and Rublo and Game games, implementation, math	2200	x832
255D	Mr. Bender and Square binary search, implementation, math	1800	x1932
255C	Almost Arithmetical Progression brute force, dp	1500	x4641
255B	Code Parsing implementation	1200	x4881
255A	Greg's Workout implementation	800	x27799
254E	Dormitory dp, implementation	2100	x509
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x498