Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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Problems

#	Name
283C	Coin Troubles dp	2100	x1469
283B	Cow Program dfs and similar, dp, graphs	1700	x3681
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6612
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3702
282D	Yet Another Number Game dp, games	2100	x1452
282C	XOR and OR constructive algorithms, implementation, math	1500	x9531
282B	Painting Eggs greedy, math	1500	x13148
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3049
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x208
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1364
280C	Game on Tree implementation, math, probabilities, trees	2200	x4222
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4792
280A	Rectangle Puzzle geometry	2000	x1476
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1459
279D	The Minimum Number of Variables bitmasks, dp	2200	x784
279C	Ladder dp, implementation, two pointers	1700	x8345
279B	Books binary search, brute force, implementation, two pointers	1400	x55796
279A	Point on Spiral brute force, geometry, implementation	1400	x5645
278B	New Problem brute force, strings	1500	x3475
277E	Binary Tree on Plane flows, trees	2400	x1339
277D	Google Code Jam dp, probabilities	2800	x341
277C	Game games, implementation	2400	x458
277B	Set of Points constructive algorithms, geometry	2300	x818
277A	Learning Languages dfs and similar, dsu	1400	x19330
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1652
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x14189
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x28629
275B	Convex Shape constructive algorithms, implementation	1700	x2847
274E	Mirror Room data structures, implementation	3000	x313
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1048
274C	The Last Hole! brute force, geometry	2600	x350
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5086
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10153
273E	Dima and Game dp, games	2600	x368
273D	Dima and Figure dp	2400	x425
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1234
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2646
272C	Dima and Staircase data structures, implementation	1500	x6838
272B	Dima and Sequence implementation, math	1400	x4060
271E	Three Horses constructive algorithms, math, number theory	2200	x518
271D	Good Substrings data structures, strings	1800	x11722
271C	Secret constructive algorithms, implementation	1500	x3010
270B	Multithreading data structures, greedy, implementation	1400	x4204
269E	String Theory geometry, math, strings	3100	x109
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x455
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1695
269B	Greenhouse Effect dp	1700	x6402
269A	Magical Boxes greedy, math	1600	x3551
268E	Playlist math, probabilities, sortings	2100	x1031
268D	Wall Bars dp	2300	x513
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13838
267C	Berland Traffic math, matrices	2700	x166
267B	Dominoes dfs and similar, graphs	2000	x654
266E	More Queries to Array... data structures, math	2500	x934
266D	BerDonalds graphs, math, shortest paths	2400	x905
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1363
264E	Roadside Trees data structures, dp	3000	x438
264D	Colorful Stones dp, two pointers	2500	x423
264C	Choosing Balls dp	2000	x2992
264B	Good Sequences dp, number theory	1500	x10629
263E	Rhombus brute force, data structures, dp	2500	x409
263D	Cycle in Graph dfs and similar, graphs	1800	x3675
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1082
261E	Maxim and Calculator brute force, dp, two pointers	2800	x418
261D	Maxim and Increasing Subsequence dp	2600	x585
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x781
261B	Maxim and Restaurant dp, math, probabilities	1900	x1426
261A	Maxim and Discounts greedy, sortings	1400	x5275
260E	Dividing Kingdom binary search, brute force, data structures	2500	x465
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1567
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2999
260B	Ancient Prophesy brute force, implementation, strings	1600	x3846
260A	Adding Digits implementation, math	1400	x15116
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1146
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1301
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1807
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1454
257E	Greedy Elevator data structures, implementation	2200	x301
257D	Sum greedy, math	1900	x1638
257C	View Angle brute force, geometry, math	1800	x4435
256E	Lucky Arrays data structures	2400	x670
256D	Liars and Serge dp	2700	x258
255E	Furlo and Rublo and Game games, implementation, math	2200	x878
255D	Mr. Bender and Square binary search, implementation, math	1800	x2028
255C	Almost Arithmetical Progression brute force, dp	1500	x4759
254E	Dormitory dp, implementation	2100	x687
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x583
254C	Anagram greedy, strings	1800	x1504
254B	Jury Size brute force, implementation	1500	x2163
253E	Printer binary search, data structures, implementation, sortings	2200	x554
253D	Table with Letters - 2 brute force, two pointers	2000	x852
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2660
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10942
252B	Unsorting Array brute force, sortings	1800	x1729
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x176
251D	Two Sets bitmasks, math	2700	x483
251C	Number Transformation dp, greedy, number theory	2000	x1051
251B	Playing with Permutations implementation, math	1800	x1281
250E	Mad Joe brute force	2000	x476
250D	Building Bridge geometry, ternary search, two pointers	1900	x916