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

Problemset

702 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2056F2	Xor of Median (Hard Version) bitmasks brute force combinatorics dp math	3000	362
2055C	The Trail brute force constructive algorithms greedy math two pointers	1400	17.6k
2055F	Cosmic Divide brute force geometry hashing math strings	3200	90
2053F	Earnest Matrix Complement brute force data structures dp greedy implementation math	2600	963
2053G	Naive String Splits binary search brute force greedy hashing math number theory strings	3400	228
2051F	Joker brute force greedy implementation math	2000	4.1k
2050B	Transfusion brute force greedy math	1100	27.6k
2050C	Uninteresting Number brute force dp math	1200	25.6k
2050D	Digital string maximization brute force greedy math strings	1300	19.4k
2048A	Kevin and Combination Lock brute force greedy implementation math number theory	800	23k
2048F	Kevin and Math Class brute force data structures divide and conquer dp implementation math trees	2500	1.3k
2048G	Kevin and Matrices brute force combinatorics dp math	2800	761
2044A	Easy Problem brute force math	800	62.9k
2044F	Easy Demon Problem binary search brute force data structures math number theory	1900	6.4k
2043A	Coin Transformation brute force math	800	27.2k
2043C	Sums on Segments binary search brute force data structures dp greedy math	1600	11.5k
2043D	Problem about GCD brute force flows math number theory	1800	7.9k
2041B	Bowling Frame binary search brute force math	1200	7.4k
2039C1	Shohag Loves XOR (Easy Version) bitmasks brute force math number theory	1200	13.8k
2039C2	Shohag Loves XOR (Hard Version) bitmasks brute force math number theory	1800	5.1k
2038B	Make It Equal binary search brute force greedy math	2100	2k
2038K	Grid Walk brute force dp greedy math number theory	2100	1.8k
2038L	Bridge Renovation brute force dp greedy math two pointers	1400	8.3k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2034A	King Keykhosrow's Mystery brute force chinese remainder theorem math number theory	800	18.6k
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2033F	Kosuke's Sloth brute force math number theory	1800	7.3k
2029E	Common Generator brute force constructive algorithms math number theory	2100	3.6k
2028A	Alice's Adventures in ''Chess'' brute force implementation math	900	20.7k
2027E1	Bit Game (Easy Version) bitmasks brute force games math	2800	270
2025D	Attribute Checks brute force data structures dp implementation math two pointers	1800	8k
2023D	Many Games brute force dp greedy math probabilities	2900	612
2021B	Maximize Mex brute force greedy math number theory	1200	19.2k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2020A	Find Minimum Operations bitmasks brute force greedy math number theory	800	26.2k
2020D	Connect the Dots brute force dp dsu graphs math trees	1800	7.6k
2018A	Cards Partition 2-sat brute force greedy implementation math	1600	12.9k
2013E	Prefix GCD brute force dp greedy math number theory	2200	4.4k
2010A	Alternating Sum of Numbers brute force implementation math	800	21.5k
2010B	Three Brothers brute force implementation math	800	25k
2009A	Minimize! brute force math	800	75.1k
2008A	Sakurako's Exam brute force constructive algorithms greedy math	800	42.3k
2008B	Square or Not brute force math strings	800	33.3k
2008C	Longest Good Array binary search brute force math	800	37k
2008H	Sakurako's Test binary search brute force greedy math number theory	2100	3.7k
2006B	Iris and the Tree brute force data structures dfs and similar dsu math trees	1800	4.4k
2004E	Not a Nim Problem brute force games math number theory	2100	5.2k
2004F	Make a Palindrome binary search brute force data structures greedy math	2600	1.4k
2003E1	Turtle and Inversions (Easy Version) brute force divide and conquer dp greedy math	2600	902
2003E2	Turtle and Inversions (Hard Version) brute force data structures divide and conquer dp greedy math two pointers	2700	654
2003F	Turtle and Three Sequences brute force data structures dp greedy math probabilities two pointers	2800	838
2002C	Black Circles brute force geometry greedy math	1200	18k
2002F1	Court Blue (Easy Version) brute force dfs and similar dp math number theory	2600	1k
2002F2	Court Blue (Hard Version) brute force dp math number theory	2800	597
1997F	Chips on a Line brute force combinatorics dp greedy math	2700	1.3k
1996D	Fun binary search brute force combinatorics math number theory	1500	20k
1995A	Diagonals brute force greedy implementation math	800	26.6k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1994G	Minecraft bitmasks brute force dp graphs math	2600	1.7k
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
1991F	Triangle Formation brute force greedy implementation math sortings	2200	2.8k
1990C	Mad MAD Sum brute force greedy math	1500	14.9k
1989D	Smithing Skill brute force data structures dp greedy math sortings two pointers	1900	7.2k
1988A	Split the Multiset brute force greedy implementation math	900	27.3k
1986A	X Axis brute force geometry math sortings	800	48.6k
1986D	Mathematical Problem brute force dp greedy implementation math two pointers	1400	18.2k
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1986G2	Permutation Problem (Hard Version) brute force data structures hashing math number theory	2500	1.5k
1985B	Maximum Multiple Sum brute force math number theory	800	57.8k
1985E	Secret Box brute force combinatorics math	1200	23.9k
1984D	''a'' String Problem brute force hashing implementation math string suffix structures strings	2000	4k
1984F	Reconstruction brute force dp math	2500	1.2k
1982B	Collatz Conjecture brute force implementation math number theory	1200	20k
1982D	Beauty of the mountains brute force data structures implementation math number theory	1700	10.2k
1982E	Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle	2300	1.9k
1981A	Turtle and Piggy Are Playing a Game brute force greedy math	800	24.4k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1977C	Nikita and LCM brute force data structures dp greedy math number theory sortings	1900	8.2k
1975B	378QAQ and Mocha's Array brute force greedy math sortings	1000	21.3k
1975F	Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math	2600	1.1k
1973A	Chess For Three brute force dp implementation math	900	28.9k
1973D	Cat, Fox and Maximum Array Split brute force interactive math	2400	2.3k
1971F	Circle Perimeter binary search brute force dfs and similar geometry implementation math	1600	12.7k
1968A	Maximize? brute force math number theory	800	39.9k
1968D	Permutation Game brute force dfs and similar games graphs greedy math	1300	17.7k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1967B1	Reverse Card (Easy Version) brute force math number theory	1400	16.3k
1967B2	Reverse Card (Hard Version) brute force math number theory	2200	5k
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1957D	A BIT of an Inequality bitmasks brute force dp math	1900	6k
1957E	Carousel of Combinations brute force combinatorics dp math number theory	2400	1.7k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1956E1	Nene vs. Monsters (Easy Version) brute force implementation math	2500	1.7k
1956E2	Nene vs. Monsters (Hard Version) brute force greedy implementation math	2700	1.1k
1955G	GCD on a grid brute force dfs and similar dp implementation math number theory	1900	6.1k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1949E	Damage per Second brute force math	2900	154
1945H	GCD is Greater brute force data structures math number theory	2600	971

showing 101–200 of 702