Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 940 (Div. 2) and CodeCraft-23
41:05:12
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x126041
148A	Insomnia cure constructive algorithms, implementation, math	800	x86646
443A	Anton and Letters constructive algorithms, implementation	800	x83352
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x66725
1343B	Balanced Array constructive algorithms, math	800	x53397
1454A	Special Permutation constructive algorithms, probabilities	800	x38889
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x38851
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x38155
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x37920
1335B	Construct the String constructive algorithms	900	x36846
1337A	Ichihime and Triangle constructive algorithms, math	800	x35852
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x35600
686A	Free Ice Cream constructive algorithms, implementation	800	x35258
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x35164
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35104
1352B	Same Parity Summands constructive algorithms, math	1200	x35076
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x34816
1702A	Round Down the Price constructive algorithms	800	x33291
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32425
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31588
1372A	Omkar and Completion constructive algorithms, implementation	800	x31362
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x30865
1520C	Not Adjacent Matrix constructive algorithms	1000	x30495
1611A	Make Even constructive algorithms, math	800	x30486
688B	Lovely Palindromes constructive algorithms, math	1000	x30069
1927B	Following the String constructive algorithms, greedy, strings	900	x29895
1878B	Aleksa and Stack constructive algorithms, math	800	x29645
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29335
1326A	Bad Ugly Numbers constructive algorithms, number theory	1000	x29304
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x28941
1859A	United We Stand constructive algorithms, math, number theory	800	x28940
1837A	Grasshopper on a Line constructive algorithms, math	800	x28822
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms, strings	1000	x28619
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28536
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28497
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28482
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x28337
1914B	Preparing for the Contest constructive algorithms, math	800	x28306
1862B	Sequence Game constructive algorithms	800	x28291
1626A	Equidistant Letters constructive algorithms, sortings	800	x28277
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x28231
118B	Present from Lena constructive algorithms, implementation	1000	x28205
1537B	Bad Boy constructive algorithms, greedy, math	900	x27771
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27054
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x26992
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x26926
1401A	Distance and Axis constructive algorithms, math	900	x26849
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x26514
1400A	String Similarity constructive algorithms, strings	800	x26511
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x26411
1433C	Dominant Piranha constructive algorithms, greedy	900	x26293
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x26204
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x26162
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x26009
1365B	Trouble Sort constructive algorithms, implementation	1300	x25952
1922A	Tricky Template constructive algorithms, implementation, strings	800	x25674
1509A	Average Height constructive algorithms	800	x25658
1674A	Number Transformation constructive algorithms, math	800	x25591
1948A	Special Characters brute force, constructive algorithms	800	x25530
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x25509
1339B	Sorted Adjacent Differences constructive algorithms, sortings	1200	x25492
1935A	Entertainment in MAC constructive algorithms, strings	800	x25036
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x24948
1711A	Perfect Permutation constructive algorithms	800	x24761
1741B	Funny Permutation constructive algorithms, math	800	x24705
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x24483
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x24413
1886A	Sum of Three brute force, constructive algorithms, math	800	x24383
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24377
1312B	Bogosort constructive algorithms, sortings	1000	x24326
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24308
1747A	Two Groups constructive algorithms, greedy	800	x24293
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x24277
1841A	Game with Board constructive algorithms, games	800	x24153
1525B	Permutation Sort constructive algorithms, greedy	900	x24138
1333A	Little Artem constructive algorithms	1000	x24054
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x24046
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x23998
1917A	Least Product constructive algorithms, math	800	x23994
1391A	Suborrays constructive algorithms, math	800	x23972
1831A	Twin Permutations constructive algorithms	800	x23929
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x23922
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x23820
1526A	Mean Inequality constructive algorithms, sortings	800	x23814
1627A	Not Shading constructive algorithms, implementation	800	x23767
1844A	Subtraction Game constructive algorithms, games	800	x23757
1699A	The Third Three Number Problem constructive algorithms, math	800	x23601
4B	Before an Exam constructive algorithms, greedy	1200	x23522
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23518
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23515
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23488
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23437
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23367
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23358
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x23284
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23245
1715A	Crossmarket constructive algorithms, greedy, math	800	x23142
1342B	Binary Period constructive algorithms, strings	1100	x23125
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23031
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23004

←