11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

320 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2234B	Palindrome, Twelve and Two Terms brute force constructive algorithms math	800	21.8k
2231F	Quadratic Jumps brute force constructive algorithms greedy math number theory	2600	787
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2219A	Grid L brute force constructive algorithms math number theory	1400	10.7k
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2205A	Simons and Making It Beautiful brute force constructive algorithms	800	18.5k
2204E	Sum of Digits (and Again) brute force constructive algorithms math	1800	5.2k
2196F	Indivisible brute force constructive algorithms graphs	3300	118
2195H	Codeforces Heuristic Contest 001 brute force constructive algorithms geometry implementation	2400	509
2181E	Elevator Against Humanity brute force constructive algorithms greedy sortings	2900	160
2173C	Kanade's Perfect Multiples brute force constructive algorithms greedy number theory	1400	13.2k
2162B	Beautiful String brute force constructive algorithms	1000	28.9k
2158D	Palindrome Flipping brute force constructive algorithms graphs implementation shortest paths strings	2000	3.4k
2157F	Git Gud brute force constructive algorithms divide and conquer math ternary search	2400	1.5k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2157H	Keygen 3 brute force combinatorics constructive algorithms dfs and similar math	3200	238
2156A	Pizza Time brute force constructive algorithms greedy	800	27.5k
2155D	Batteries brute force constructive algorithms graph matchings graphs interactive math	1800	6.2k
2154F1	Bombing (Easy Version) brute force combinatorics constructive algorithms implementation math	2700	594
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2144A	Cut the Array brute force constructive algorithms math number theory	800	22.3k
2144F	Bracket Groups brute force constructive algorithms dp string suffix structures strings	2700	1.1k
2138E1	Determinant Construction (Easy Version) brute force constructive algorithms math matrices number theory	3100	270
2138E2	Determinant Construction (Hard Version) brute force constructive algorithms math matrices number theory	3100	197
2135D2	From the Unknown (Hard Version) brute force constructive algorithms interactive math	2500	1.2k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2113C	Smilo and Minecraft brute force constructive algorithms greedy	1700	8.2k
2111F	Puzzle brute force constructive algorithms greedy math	2400	1.5k
2104C	Card Game brute force constructive algorithms games greedy math	1100	17.8k
2094B	Bobritto Bandito brute force constructive algorithms	800	33.8k
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
2092D	Mishkin Energizer brute force constructive algorithms greedy implementation strings	1800	7k
2092F	Andryusha and CCB brute force constructive algorithms greedy math number theory strings	2900	438
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2086F	Online Palindrome brute force constructive algorithms interactive	3000	142
2084D	Arcology On Permafrost binary search brute force constructive algorithms greedy math	1600	9.1k
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search brute force constructive algorithms dp geometry greedy math	1500	12.6k
2071B	Perfecto brute force constructive algorithms greedy math	1100	21.3k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2067A	Adjacent Digit Sums brute force constructive algorithms math	800	25.9k
2065A	Skibidus and Amog'u brute force constructive algorithms greedy implementation strings	800	56.9k
2064C	Remove the Ends brute force constructive algorithms dp greedy	1300	18.1k
2059B	Cost of the Array brute force constructive algorithms greedy math	1300	19.1k
2059C	Customer Service brute force constructive algorithms graph matchings greedy math sortings	1600	12.8k
2059E1	Stop Gaming (Easy Version) brute force constructive algorithms greedy hashing strings	2500	907
2059E2	Stop Gaming (Hard Version) brute force constructive algorithms data structures hashing strings	2900	355
2056C	Palindromic Subsequences brute force constructive algorithms math	1200	19.8k
2055C	The Trail brute force constructive algorithms greedy math two pointers	1400	17.6k
2055E	Haystacks brute force constructive algorithms data structures greedy sortings	2800	496
2049B	pspspsps brute force constructive algorithms graph matchings implementation	1300	19.2k
2049C	MEX Cycle brute force constructive algorithms greedy implementation	1500	13.9k
2049E	Broken Queries binary search bitmasks brute force constructive algorithms implementation interactive	2400	1.6k
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2033B	Sakurako and Water brute force constructive algorithms greedy	900	29.3k
2029E	Common Generator brute force constructive algorithms math number theory	2100	3.6k
2026B	Black Cells binary search brute force constructive algorithms greedy	1300	16.8k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2022D1	Asesino (Easy Version) binary search brute force constructive algorithms implementation interactive	1900	4.1k
2008A	Sakurako's Exam brute force constructive algorithms greedy math	800	42.3k
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
2001D	Longest Max Min Subsequence brute force constructive algorithms data structures greedy implementation	1900	6.6k
1999B	Card Game brute force constructive algorithms implementation	1000	42.6k
1998C	Perform Operations to Maximize Score binary search brute force constructive algorithms greedy implementation	1900	7.2k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1993F1	Dyn-scripted Robot (Easy Version) brute force chinese remainder theorem constructive algorithms math number theory	2400	1.2k
1992A	Only Pluses brute force constructive algorithms greedy math sortings	800	50.1k
1992E	Novice's Mistake brute force constructive algorithms implementation math strings	1700	11k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1979D	Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings	1800	8k
1979F	Kostyanych's Theorem brute force constructive algorithms graphs interactive	2900	451
1970A2	Balanced Unshuffle (Medium) brute force constructive algorithms trees	2400	621
1970D1	Arithmancy (Easy) brute force constructive algorithms interactive strings	2100	967
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1955H	The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings shortest paths	2300	1.6k
1952J	Help, what does it mean to be "Based" *special brute force constructive algorithms expression parsing implementation sortings	unrated	910
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1948A	Special Characters brute force constructive algorithms	800	31.3k
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k
1946D	Birthday Gift bitmasks brute force constructive algorithms greedy implementation	1900	5.7k
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1934E	Weird LCM Operations brute force constructive algorithms number theory	3000	379
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics constructive algorithms dfs and similar math	2300	1.2k
1930B	Permutation Printing brute force constructive algorithms math	1000	17.9k
1929C	Sasha and the Casino binary search brute force constructive algorithms games greedy math	1400	17.5k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1916D	Mathematical Problem brute force constructive algorithms geometry math	1700	9.9k
1909E	Multiple Lamps bitmasks brute force constructive algorithms math number theory	2400	1.7k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1904D1	Set To Max (Easy Version) brute force constructive algorithms greedy	1600	8.8k
1903B	StORage room bitmasks brute force constructive algorithms greedy	1200	15k
1902C	Insert and Equalize brute force constructive algorithms greedy math number theory	1300	17.5k
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1886A	Sum of Three brute force constructive algorithms math	800	27.9k
1882B	Sets and Union bitmasks brute force constructive algorithms greedy	1300	17.6k

showing 1–100 of 320