Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
4 days

Before contest
Codeforces Round 941 (Div. 2)
4 days

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16540
1713C	Build Permutation constructive algorithms, dp, math	1200	x16780
1375B	Neighbor Grid constructive algorithms, greedy	1200	x16904
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x17174
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17407
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17645
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17848
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x17991
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18188
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18227
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18359
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18426
1497B	M-arrays constructive algorithms, greedy, math	1200	x18438
1694B	Paranoid String constructive algorithms, greedy	1200	x18457
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x18645
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18804
776B	Sherlock and his girlfriend constructive algorithms, number theory	1200	x19218
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x19392
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x19639
1455B	Jumps constructive algorithms, math	1200	x21202
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21614
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21671
4B	Before an Exam constructive algorithms, greedy	1200	x23544
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x24076
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x24434
1339B	Sorted Adjacent Differences constructive algorithms, sortings	1200	x25499
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x26224
1352B	Same Parity Summands constructive algorithms, math	1200	x35121
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x830
638A	Home Numbers *special problem, constructive algorithms, math	1100	x3747
667B	Coat of Anticubism constructive algorithms, geometry	1100	x5450
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x6827
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7694
618B	Guess the Permutation constructive algorithms	1100	x7829
731B	Coupons and Discounts constructive algorithms, greedy	1100	x7851
1173B	Nauuo and Chess constructive algorithms, greedy	1100	x8749
609B	The Best Gift constructive algorithms, implementation	1100	x8778
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x8847
355A	Vasya and Digital Root constructive algorithms, implementation	1100	x9256
110B	Lucky String constructive algorithms, strings	1100	x9917
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x10972
225A	Dice Tower constructive algorithms, greedy	1100	x11004
1166B	All the Vowels Please constructive algorithms, math, number theory	1100	x11112
1221B	Knights constructive algorithms, greedy	1100	x11570
1942B	Bessie and MEX constructive algorithms, math	1100	x11886
1523B	Lord of the Values constructive algorithms	1100	x11951
534A	Exam constructive algorithms, implementation, math	1100	x12003
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x12871
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x12897
1038B	Non-Coprime Partition constructive algorithms, math	1100	x13070
1602B	Divine Array constructive algorithms, implementation	1100	x13804
1944B	Equal XOR bitmasks, constructive algorithms	1100	x13817
1797B	Li Hua and Pattern constructive algorithms, greedy	1100	x14406
1717B	Madoka and Underground Competitions constructive algorithms, implementation	1100	x14461
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x14583
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14700
1793B	Fedya and Array constructive algorithms, math	1100	x15182
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15705
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15769
1395B	Boboniu Plays Chess constructive algorithms	1100	x15770
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16146
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16435
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17084
1783B	Matrix of Differences constructive algorithms, math	1100	x17111
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17405
1375A	Sign Flipping constructive algorithms, math	1100	x18026
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18218
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18589
1811C	Restore the Array constructive algorithms, greedy	1100	x18805
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x18999
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19173
1455C	Ping-pong constructive algorithms, games, math	1100	x19204
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19314
1708B	Difference of GCDs constructive algorithms, math	1100	x19411
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20059
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20381
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20712
1739B	Array Recovery constructive algorithms, greedy, math	1100	x21337
300A	Array brute force, constructive algorithms, implementation	1100	x21819
1511B	GCD Length constructive algorithms, math, number theory	1100	x21911
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23041
1342B	Binary Period constructive algorithms, strings	1100	x23127
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x23945
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31610
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x35644
649A	Любимые числа Поликарпа constructive algorithms, implementation	1000	x1085
491A	Up the hill constructive algorithms, implementation	1000	x2817
644A	Parliament of Berland *special problem, constructive algorithms	1000	x4374
637A	Voting for Photos *special problem, constructive algorithms, implementation	1000	x5302
359A	Table constructive algorithms, greedy, implementation	1000	x8361
998A	Balloons constructive algorithms, implementation	1000	x9177
779A	Pupils Redistribution constructive algorithms, math	1000	x9209
777A	Shell Game constructive algorithms, implementation, math	1000	x10032
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11519
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x12976
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13346
1266B	Dice Tower constructive algorithms, math	1000	x14303
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14321
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14369
1894B	Two Out of Three constructive algorithms	1000	x14589