Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
06:07:56
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Problems

#	Name
301C	Yaroslav and Algorithm constructive algorithms	2500	x461
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2369
300E	Empire Strikes Back binary search, math, number theory	2300	x1029
300D	Painting Square dp, fft	2300	x743
297D	Color the Carpet constructive algorithms	2500	x500
297C	Splitting the Uniqueness constructive algorithms	2400	x934
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2162
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
294E	Shaass the Great dp, trees	2300	x920
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x308
293C	Cube Problem brute force, math, number theory	2400	x564
292C	Beautiful IP Addresses brute force	2000	x1021
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1286
290E	HQ *special problem, constructive algorithms	2500	x198
288D	Polo the Penguin and Trees combinatorics, dfs and similar, trees	2400	x683
286C	Main Sequence greedy, implementation	2100	x1478
286B	Shifting implementation	2200	x1110
283D	Cows and Cool Sequences dp, math, number theory	2400	x529
283C	Coin Troubles dp	2100	x1418
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3505
282D	Yet Another Number Game dp, games	2100	x1395
280C	Game on Tree implementation, math, probabilities, trees	2200	x3742
280A	Rectangle Puzzle geometry	2000	x1452
279D	The Minimum Number of Variables bitmasks, dp	2200	x716
277E	Binary Tree on Plane flows, trees	2400	x1251
277C	Game games, implementation	2400	x448
277B	Set of Points constructive algorithms, geometry	2300	x787
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1572
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1016
273D	Dima and Figure dp	2400	x390
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1180
271E	Three Horses constructive algorithms, math, number theory	2200	x481
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1626
268E	Playlist math, probabilities, sortings	2100	x981
268D	Wall Bars dp	2300	x503
267B	Dominoes dfs and similar, graphs	2000	x621
266E	More Queries to Array... data structures, math	2500	x771
266D	BerDonalds graphs, math, shortest paths	2400	x759
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1340
264D	Colorful Stones dp, two pointers	2500	x411
264C	Choosing Balls dp	2000	x2805
263E	Rhombus brute force, data structures, dp	2500	x397
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1063
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x765
260E	Dividing Kingdom binary search, brute force, data structures	2500	x453
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1519
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1077
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1768
257E	Greedy Elevator data structures, implementation	2200	x281
256E	Lucky Arrays data structures	2400	x659
255E	Furlo and Rublo and Game games, implementation, math	2200	x836
254E	Dormitory dp, implementation	2100	x661
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x527
253E	Printer binary search, data structures, implementation, sortings	2200	x525
253D	Table with Letters - 2 brute force, two pointers	2000	x824
251C	Number Transformation dp, greedy, number theory	2000	x1013
250E	Mad Joe brute force	2000	x456
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x487
248C	Robo-Footballer binary search, geometry	2000	x804
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x3060
245G	Suggested Friends brute force, graphs	2200	x428
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x872
243C	Colorado Potato Beetle dfs and similar, implementation	2200	x524
243B	Hydra graphs, sortings	2000	x1211
242E	XOR on Segment bitmasks, data structures	2000	x8736
242D	Dispute dfs and similar, graphs, greedy	2100	x1854
241F	Race brute force, implementation	2300	x261
241C	Mirror Box geometry, implementation	2000	x509
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1215
237E	Build String flows, graphs	2000	x1681
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x550
235B	Let's Play Osu! dp, math, probabilities	2000	x3414
234H	Merging Two Decks constructive algorithms, greedy	2000	x558
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1768
229D	Towers dp, greedy, two pointers	2100	x2177
228D	Zigzag data structures	2100	x377
228C	Fractal Detector dp, hashing	2000	x446
226D	The table constructive algorithms, greedy	2100	x956
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x853
225E	Unsolvable math, number theory	2100	x790
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x919
220E	Little Elephant and Inversions data structures, two pointers	2400	x1349
220D	Little Elephant and Triangle geometry, math	2500	x280
220C	Little Elephant and Shifts data structures	2100	x928
219E	Parking Lot data structures	2200	x606
217B	Blackboard Fibonacci brute force, math	2100	x873
216E	Martian Luck math, number theory	2000	x563
215E	Periodical Numbers combinatorics, dp, number theory	2100	x545
215C	Crosses brute force, implementation	2100	x661
213D	Stars constructive algorithms, geometry	2300	x335
213C	Relay Race dp	2000	x2781
212D	Cutting a Fence binary search, data structures, dsu	2500	x463
212C	Cowboys combinatorics, dp, math	2100	x377
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x329
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x722
209B	Pixels constructive algorithms, math	2100	x363
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6296
207D8	The Beaver's Problem - 3	2300	x89