Problemset - Codeforces

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Before contest
Codeforces Round (Div. 3)
4 days

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Difficulty: —

constructive algorithms

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Problems

#	Name
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x765
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1376
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2939
254A	Cards with Numbers constructive algorithms, sortings	1200	x6919
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2612
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9137
245D	Restoring Table constructive algorithms, greedy	1500	x2260
241G	Challenging Balloons constructive algorithms	1900	x541
238B	Boring Partition constructive algorithms	1800	x1279
238A	Not Wool Sequences constructive algorithms, math	1300	x2020
234H	Merging Two Decks constructive algorithms, greedy	2000	x558
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1464
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x283
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2476
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3573
226D	The table constructive algorithms, greedy	2100	x953
225A	Dice Tower constructive algorithms, greedy	1100	x11320
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9633
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x9103
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4920
213D	Stars constructive algorithms, geometry	2300	x335
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x718
209B	Pixels constructive algorithms, math	2100	x363
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2979
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x25647
198D	Cube Snake constructive algorithms	2700	x105
197A	Plate Game constructive algorithms, games, math	1600	x6113
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x798
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x503
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3882
183A	Headquarters constructive algorithms, math	1700	x535
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2476
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x469
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x247
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4397
161B	Discounts constructive algorithms, greedy, sortings	1700	x1932
156B	Suspects constructive algorithms, data structures, implementation	1600	x2202
148C	Terse princess constructive algorithms, greedy	1700	x3080
148A	Insomnia cure constructive algorithms, implementation, math	800	x89177
145B	Lucky Number 2 constructive algorithms	1800	x2167
142B	Help General constructive algorithms, greedy, implementation	1800	x2149
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x915
141C	Queue constructive algorithms, greedy, sortings	1800	x2406
135C	Zero-One constructive algorithms, games, greedy	1900	x1325
134C	Swaps constructive algorithms, graphs, greedy	2200	x462
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x608
128D	Numbers constructive algorithms, implementation	2000	x1094
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2481
126C	E-reader Display constructive algorithms, greedy	2000	x714
125D	Two progressions constructive algorithms, greedy	2200	x394
125C	Hobbits' Party constructive algorithms, greedy	1600	x908
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1070
118B	Present from Lena constructive algorithms, implementation	1000	x29087
110B	Lucky String constructive algorithms, strings	1100	x10060
109D	Lucky Sorting constructive algorithms, sortings	2000	x658
103C	Russian Roulette constructive algorithms, greedy	1900	x939
98D	Help Monks constructive algorithms	2500	x182
97B	Superset constructive algorithms, divide and conquer	2300	x810
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x264
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x402
85A	Domino constructive algorithms, implementation	1300	x1771
82B	Sets constructive algorithms, hashing, implementation	1700	x2020
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x640
78B	Easter Eggs constructive algorithms, implementation	1200	x12997
74E	Shift It! constructive algorithms	2800	x148
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3089
63D	Dividing Island constructive algorithms	1900	x1240
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x609
53C	Little Frog constructive algorithms	1200	x6343
49C	Disposition constructive algorithms, math	1700	x1660
48H	Black and White constructive algorithms	2800	x137
45J	Planting Trees constructive algorithms	1800	x923
45E	Director constructive algorithms, greedy	2000	x530
44J	Triminoes constructive algorithms, greedy	2000	x559
43D	Journey brute force, constructive algorithms, implementation	2000	x1067
42D	Strange town constructive algorithms, math	2300	x391
42C	Safe cracking brute force, constructive algorithms	2200	x458
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1916
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3935
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x500
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x688
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2364
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2726
26E	Multithreading constructive algorithms	2400	x368
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x830
23C	Oranges and Apples constructive algorithms, sortings	2500	x1374
23B	Party constructive algorithms, graphs, math	1600	x3247
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3280
12E	Start of the session constructive algorithms	2100	x1175
11A	Increasing Sequence constructive algorithms, implementation, math	900	x12849
10E	Greedy Change constructive algorithms	2600	x813
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4265
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x7084
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x13160
4B	Before an Exam constructive algorithms, greedy	1200	x24133

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