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Problemset

118 problems · filtered by 3 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
2219A	Grid L brute force constructive algorithms math number theory	1400	10.7k
2204E	Sum of Digits (and Again) brute force constructive algorithms math	1800	5.2k
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
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
2144A	Cut the Array brute force constructive algorithms math number theory	800	22.3k
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
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2111F	Puzzle brute force constructive algorithms greedy math	2400	1.5k
2104C	Card Game brute force constructive algorithms games greedy math	1100	17.8k
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
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
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
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
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
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2029E	Common Generator brute force constructive algorithms math number theory	2100	3.6k
2008A	Sakurako's Exam brute force constructive algorithms greedy math	800	42.3k
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
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
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
1902C	Insert and Equalize brute force constructive algorithms greedy math number theory	1300	17.5k
1886A	Sum of Three brute force constructive algorithms math	800	27.9k
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1854E	Game Bundles brute force constructive algorithms dp greedy math	3000	575
1851A	Escalator Conversations brute force constructive algorithms math	800	31.7k
1844F1	Min Cost Permutation (Easy Version) brute force constructive algorithms greedy math	2600	937
1835C	Twin Clusters bitmasks brute force constructive algorithms math probabilities	2600	1.2k
1806C	Sequence Master brute force constructive algorithms math	1600	8.8k
1799B	Equalize by Divide brute force constructive algorithms greedy math	1200	12.9k
1758D	Range = √Sum binary search brute force constructive algorithms math two pointers	1800	8.6k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1691C	Sum of Substrings brute force constructive algorithms greedy math strings	1400	17.4k
1674E	Breaking the Wall binary search brute force constructive algorithms greedy math	2000	7.8k
1666I	Interactive Treasure Hunt brute force constructive algorithms geometry interactive math	2200	1.8k
1658F	Juju and Binary String brute force constructive algorithms greedy math	2700	1k
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	669
1650D	Twist the Permutation brute force constructive algorithms implementation math	1300	15.3k
1648B	Integral Array brute force constructive algorithms data structures math	1800	7.4k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1619F	Let's Play the Hat? brute force constructive algorithms greedy math	2000	2.4k
1617B	GCD Problem brute force constructive algorithms math number theory	900	27.2k
1571D	Sweepstake *special brute force constructive algorithms implementation math	1800	373
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1543D2	RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math	2200	2.2k
1526D	Kill Anton brute force constructive algorithms data structures math strings	2200	2.8k
1490B	Balanced Remainders brute force constructive algorithms math	1000	28.1k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1469D	Ceil Divisions brute force constructive algorithms math number theory	1700	10.3k
1455E	Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search	2400	1.7k
1453D	Checkpoints brute force constructive algorithms greedy math probabilities	1900	4.5k
1437A	Marketing Scheme brute force constructive algorithms greedy math	800	18.5k
1430A	Number of Apartments brute force constructive algorithms math	900	21.9k
1426E	Rock, Paper, Scissors brute force constructive algorithms flows greedy math	1800	8.2k
1421D	Hexagons brute force constructive algorithms greedy implementation math shortest paths	1900	4.4k
1419B	Stairs brute force constructive algorithms greedy implementation math	1200	17.1k
1368B	Codeforces Subsequences brute force constructive algorithms greedy math strings	1500	21.7k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1334C	Circle of Monsters brute force constructive algorithms greedy math	1600	18.1k
1332B	Composite Coloring brute force constructive algorithms greedy math number theory	1400	19.3k
1286C1	Madhouse (Easy version) brute force constructive algorithms interactive math	2400	1.6k
1286C2	Madhouse (Hard version) brute force constructive algorithms hashing interactive math	2800	767
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1250B	The Feast and the Bus brute force constructive algorithms greedy math	1800	2.8k
1196A	Three Piles of Candies brute force constructive algorithms math	800	29.3k
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k

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