Problemset - Codeforces

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Codeforces Round (Div. 1 + Div. 2)
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constructive algorithms

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Problems

#	Name
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9459
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x8939
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4894
213D	Stars constructive algorithms, geometry	2300	x334
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x695
209B	Pixels constructive algorithms, math	2100	x358
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2965
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x25215
198D	Cube Snake constructive algorithms	2700	x104
197A	Plate Game constructive algorithms, games, math	1600	x6049
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x740
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x496
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3852
183A	Headquarters constructive algorithms, math	1700	x528
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2458
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x464
173D	Deputies constructive algorithms, graphs, greedy, implementation	2500	x246
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4364
161B	Discounts constructive algorithms, greedy, sortings	1700	x1924
156B	Suspects constructive algorithms, data structures, implementation	1600	x2189
148C	Terse princess constructive algorithms, greedy	1700	x3068
148A	Insomnia cure constructive algorithms, implementation, math	800	x87591
145B	Lucky Number 2 constructive algorithms	1800	x2153
142B	Help General constructive algorithms, greedy, implementation	1800	x2137
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x853
141C	Queue constructive algorithms, greedy, sortings	1800	x2371
135C	Zero-One constructive algorithms, games, greedy	1900	x1322
134C	Swaps constructive algorithms, graphs, greedy	2200	x459
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x604
128D	Numbers constructive algorithms, implementation	2000	x1088
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2467
126C	E-reader Display constructive algorithms, greedy	2000	x711
125D	Two progressions constructive algorithms, greedy	2200	x391
125C	Hobbits' Party constructive algorithms, greedy	1600	x904
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1066
118B	Present from Lena constructive algorithms, implementation	1000	x28484
110B	Lucky String constructive algorithms, strings	1100	x9969
109D	Lucky Sorting constructive algorithms, sortings	2000	x616
103C	Russian Roulette constructive algorithms, greedy	1900	x937
98D	Help Monks constructive algorithms	2500	x179
97B	Superset constructive algorithms, divide and conquer	2300	x804
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x261
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x401
85A	Domino constructive algorithms, implementation	1300	x1762
82B	Sets constructive algorithms, hashing, implementation	1700	x2017
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x631
78B	Easter Eggs constructive algorithms, implementation	1200	x12783
74E	Shift It! constructive algorithms	2800	x142
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3059
63D	Dividing Island constructive algorithms	1900	x1222
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x603
53C	Little Frog constructive algorithms	1200	x6229
49C	Disposition constructive algorithms, math	1700	x1645
48H	Black and White constructive algorithms	2800	x134
45J	Planting Trees constructive algorithms	1800	x898
45E	Director constructive algorithms, greedy	2000	x524
44J	Triminoes constructive algorithms, greedy	2000	x555
43D	Journey brute force, constructive algorithms, implementation	2000	x1049
42D	Strange town constructive algorithms, math	2300	x388
42C	Safe cracking brute force, constructive algorithms	2200	x450
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1904
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3864
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x496
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x674
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2323
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2696
26E	Multithreading constructive algorithms	2400	x362
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x824
23C	Oranges and Apples constructive algorithms, sortings	2500	x1359
23B	Party constructive algorithms, graphs, math	1600	x3202
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3098
12E	Start of the session constructive algorithms	2100	x1166
11A	Increasing Sequence constructive algorithms, implementation, math	900	x12466
10E	Greedy Change constructive algorithms	2600	x804
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4084
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x6871
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x12745
4B	Before an Exam constructive algorithms, greedy	1200	x23755

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