Problemset - Codeforces

→ Pay attention

Contest is running
Helvetic Coding Contest 2024 online mirror (teams allowed, unrated)
00:59:27
Register now »

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x739
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x496
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3835
183A	Headquarters constructive algorithms, math	1700	x526
180F	Mathematical Analysis Rocks! constructive algorithms, implementation, math	1200	x2451
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	x4348
161B	Discounts constructive algorithms, greedy, sortings	1700	x1923
156B	Suspects constructive algorithms, data structures, implementation	1600	x2182
148C	Terse princess constructive algorithms, greedy	1700	x3065
148A	Insomnia cure constructive algorithms, implementation, math	800	x87015
145B	Lucky Number 2 constructive algorithms	1800	x2149
142B	Help General constructive algorithms, greedy, implementation	1800	x2132
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x808
141C	Queue constructive algorithms, greedy, sortings	1800	x2367
135C	Zero-One constructive algorithms, games, greedy	1900	x1314
134C	Swaps constructive algorithms, graphs, greedy	2200	x459
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x603
128D	Numbers constructive algorithms, implementation	2000	x1088
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2454
126C	E-reader Display constructive algorithms, greedy	2000	x710
125D	Two progressions constructive algorithms, greedy	2200	x391
125C	Hobbits' Party constructive algorithms, greedy	1600	x899
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1061
118B	Present from Lena constructive algorithms, implementation	1000	x28301
110B	Lucky String constructive algorithms, strings	1100	x9938
109D	Lucky Sorting constructive algorithms, sortings	2000	x615
103C	Russian Roulette constructive algorithms, greedy	1900	x936
98D	Help Monks constructive algorithms	2500	x179
97B	Superset constructive algorithms, divide and conquer	2300	x803
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x260
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x401
85A	Domino constructive algorithms, implementation	1300	x1755
82B	Sets constructive algorithms, hashing, implementation	1700	x2017
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x630
78B	Easter Eggs constructive algorithms, implementation	1200	x12714
74E	Shift It! constructive algorithms	2800	x142
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3045
63D	Dividing Island constructive algorithms	1900	x1201
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x601
53C	Little Frog constructive algorithms	1200	x6213
49C	Disposition constructive algorithms, math	1700	x1641
48H	Black and White constructive algorithms	2800	x133
45J	Planting Trees constructive algorithms	1800	x886
45E	Director constructive algorithms, greedy	2000	x522
44J	Triminoes constructive algorithms, greedy	2000	x554
43D	Journey brute force, constructive algorithms, implementation	2000	x1046
42D	Strange town constructive algorithms, math	2300	x385
42C	Safe cracking brute force, constructive algorithms	2200	x444
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1896
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3840
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x495
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x673
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2299
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2687
26E	Multithreading constructive algorithms	2400	x362
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x820
23C	Oranges and Apples constructive algorithms, sortings	2500	x1356
23B	Party constructive algorithms, graphs, math	1600	x3195
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3088
12E	Start of the session constructive algorithms	2100	x1160
11A	Increasing Sequence constructive algorithms, implementation, math	900	x12403
10E	Greedy Change constructive algorithms	2600	x801
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4070
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x6840
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x12650
4B	Before an Exam constructive algorithms, greedy	1200	x23619

→