Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
19:53:12
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
2038N	Fixing the Expression implementation	800	x5420
2038M	Royal Flush dp, implementation	2800	x165
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x2851
2038K	Grid Walk brute force, dp, greedy, math, number theory	2100	x815
2038J	Waiting for... greedy, implementation	800	x4220
2038I	Polyathlon binary search, data structures, hashing, string suffix structures, strings	2500	x372
2038H	Galactic Council flows	3000	x79
2038G	Guess One Character constructive algorithms, implementation, interactive	1900	x1460
2038F	Alternative Platforms combinatorics, data structures, fft, math, sortings	2500	x289
2038E	Barrels data structures, greedy, math	2900	x81
2038D	Divide OR Conquer bitmasks, data structures, dp, implementation	2400	x415
2038C	DIY data structures, geometry, greedy, sortings	1400	x2600
2038B	Make It Equal binary search, brute force, greedy, math	2100	x961
2038A	Bonus Project games, greedy	1400	x2238
2037G	Natlan Exploring bitmasks, combinatorics, data structures, dp, math, number theory	2000	x1825
2037F	Ardent Flames binary search, data structures, math, sortings, two pointers	2100	x1424
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x4018
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x8023
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x14522
2037B	Intercepted Inputs brute force, implementation	800	x16863
2037A	Twice implementation	800	x21748
2036G	Library of Magic binary search, constructive algorithms, divide and conquer, interactive, math, number theory	2200	x1060
2036F	XORificator 3000 bitmasks, dp, number theory, two pointers	1900	x3256
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x6343
2036D	I Love 1543 brute force, implementation, matrices	1300	x11373
2036C	Anya and 1100 brute force, implementation	1100	x16159
2036B	Startup greedy, sortings	800	x22716
2036A	Quintomania implementation	800	x30122
2035H	Peak Productivity Forces constructive algorithms	3500	x56
2035G2	Go Learn! (Hard Version) divide and conquer, dp	3500	x72
2035G1	Go Learn! (Easy Version) dp, trees	3300	x129
2035F	Tree Operations binary search, brute force, dfs and similar, dp, trees	2500	x772
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1501
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x4393
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x7915
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x14501
2035A	Sliding implementation, math	800	x14727
2033G	Sakurako and Chefir data structures, dfs and similar, dp, greedy, trees	2200	x1254
2033F	Kosuke's Sloth brute force, math, number theory	1800	x5187
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x9818
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x12917
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x12523
2033B	Sakurako and Water brute force, constructive algorithms, greedy	900	x22813
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x32694
2032F	Peanuts combinatorics, dp, games, math	2700	x259
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math	2400	x939
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x4492
2032C	Trinity binary search, math, sortings, two pointers	1400	x10981
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x15396
2032A	Circuit greedy, implementation, math, number theory	800	x20080
2031F	Penchick and Even Medians binary search, constructive algorithms, interactive, probabilities	2800	x227
2031E	Penchick and Chloe's Trees data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees	2100	x1545
2031D	Penchick and Desert Rabbit binary search, data structures, dfs and similar, dp, dsu, greedy, implementation, two pointers	1700	x5142
2031C	Penchick and BBQ Buns constructive algorithms, math, number theory	1300	x8942
2031B	Penchick and Satay Sticks brute force, greedy, sortings	900	x13072
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x14276
2030G2	The Destruction of the Universe (Hard Version) combinatorics, math	3100	x109
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x147
2030F	Orangutan Approved Subarrays binary search, data structures, dp, greedy, implementation, two pointers	2400	x674
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1318
2030D	QED's Favorite Permutation data structures, implementation, sortings	1700	x6207
2030C	A TRUE Battle brute force, games, greedy	1100	x15662
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x19971
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x23312
2029I	Variance Challenge flows, graphs, greedy	3400	x26
2029H	Message Spread bitmasks, brute force, combinatorics, dp	3500	x41
2029G	Balanced Problem data structures, dp	3000	x124
2029F	Palindrome Everywhere constructive algorithms, graphs, greedy	2500	x612
2029E	Common Generator brute force, constructive algorithms, math, number theory	2100	x2355
2029D	Cool Graph constructive algorithms, data structures, dfs and similar, dsu, graphs, greedy, trees	1900	x2594
2029C	New Rating binary search, data structures, dp, greedy	1700	x4743
2029B	Replacement constructive algorithms, games, strings	1100	x8112
2029A	Set greedy, math	800	x10804
2028F	Alice's Adventures in Addition bitmasks, brute force, dp, implementation	2700	x290
2028E	Alice's Adventures in the Rabbit Hole combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees	2300	x1086
2028D	Alice's Adventures in Cards constructive algorithms, data structures, dp, graphs, greedy, implementation, ternary search	2000	x2274
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x5746
2028B	Alice's Adventures in Permuting binary search, implementation, math	1400	x8341
2028A	Alice's Adventures in ''Chess'' brute force, implementation, math	900	x13590
2027E2	Bit Game (Hard Version) bitmasks, dp, math	3100	x48
2027E1	Bit Game (Easy Version) bitmasks, brute force, games, math	2800	x126
2027D2	The Endspeaker (Hard Version) binary search, data structures, dp, greedy, implementation, two pointers	2200	x1289
2027D1	The Endspeaker (Easy Version) binary search, dp, graphs, greedy, implementation, two pointers	1700	x4656
2027C	Add Zeros brute force, data structures, dfs and similar, dp, graphs, greedy	1500	x8802
2027B	Stalin Sort brute force, greedy	1100	x13503
2027A	Rectangle Arrangement geometry, implementation, math	800	x18402
2026F	Bermart Ice Cream data structures, dfs and similar, divide and conquer, dp, implementation, trees	2700	x169
2026E	Best Subsequence bitmasks, dfs and similar, flows, graph matchings, graphs	2500	x1093
2026D	Sums of Segments binary search, data structures, dp, implementation, math	1900	x3938
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x8538
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x11649
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x15809
2025G	Variable Damage data structures, flows	3000	x136
2025F	Choose Your Queries constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2700	x681
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1748
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x5870
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14427
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x16385
2025A	Two Screens binary search, greedy, strings, two pointers	800	x23385
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x13056

←