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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1925A	We Got Everything Covered! constructive algorithms greedy strings	800	31.3k
1924A	Did We Get Everything Covered? constructive algorithms dp greedy shortest paths strings	1500	17k
1924F	Anti-Proxy Attendance constructive algorithms dp interactive ternary search	3500	234
1923C	Find B constructive algorithms greedy	1400	18.8k
1923D	Slimes binary search constructive algorithms data structures greedy two pointers	1800	8.5k
1922A	Tricky Template constructive algorithms implementation strings	800	29k
1922B	Forming Triangles combinatorics constructive algorithms math sortings	1200	23.7k
1922E	Increasing Subsequences bitmasks constructive algorithms divide and conquer greedy math	1800	9.3k
1919D	01 Tree constructive algorithms data structures dsu greedy sortings trees	2100	4.6k
1919E	Counting Prefixes combinatorics constructive algorithms dp implementation math	2600	1.2k
1919G	Tree LGM constructive algorithms divide and conquer games trees	3500	219
1918A	Brick Wall constructive algorithms greedy implementation math	800	32.6k
1918B	Minimize Inversions constructive algorithms data structures greedy implementation sortings	900	27.5k
1918E	ace5 and Task Order constructive algorithms divide and conquer implementation interactive probabilities sortings	2200	2.1k
1918G	Permutation of Given constructive algorithms math	2700	706
1917A	Least Product constructive algorithms math	800	27.4k
1917E	Construct Matrix constructive algorithms math	2500	1.7k
1917F	Construct Tree bitmasks constructive algorithms dp trees	2500	1.3k
1916A	2023 constructive algorithms implementation math number theory	800	28.5k
1916B	Two Divisors constructive algorithms math number theory	1000	32.8k
1916C	Training Before the Olympiad constructive algorithms games greedy implementation math	1200	20.1k
1916D	Mathematical Problem brute force constructive algorithms geometry math	1700	9.9k
1916F	Group Division constructive algorithms dfs and similar graphs greedy	2900	756
1914B	Preparing for the Contest constructive algorithms math	800	33.5k
1912C	Cactus Transformation constructive algorithms	3300	74
1912E	Evaluate It and Back Again constructive algorithms implementation math	2200	1.3k
1909B	Make Almost Equal With Mod bitmasks constructive algorithms math number theory	1200	33.3k
1909C	Heavy Intervals constructive algorithms data structures dsu greedy math sortings	1400	13.4k
1909E	Multiple Lamps bitmasks brute force constructive algorithms math number theory	2400	1.7k
1909H	Parallel Swaps Sort constructive algorithms data structures	3500	115
1907C	Removal of Unattractive Pairs constructive algorithms greedy math strings	1200	23.5k
1907D	Jumping Through Segments binary search constructive algorithms	1400	25.2k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1906B	Button Pressing bitmasks constructive algorithms hashing	2600	865
1906E	Merge Not Sort constructive algorithms dp	1900	2.5k
1906L	Palindromic Parentheses constructive algorithms	2500	792
1905A	Constructive Problems constructive algorithms math	800	24.6k
1904D1	Set To Max (Easy Version) brute force constructive algorithms greedy	1600	8.8k
1904D2	Set To Max (Hard Version) constructive algorithms data structures divide and conquer greedy implementation sortings	1800	5.8k
1903B	StORage room bitmasks brute force constructive algorithms greedy	1200	15k
1903C	Theofanis' Nightmare constructive algorithms greedy	1400	14.8k
1902A	Binary Imbalance constructive algorithms	800	23.4k
1902C	Insert and Equalize brute force constructive algorithms greedy math number theory	1300	17.5k
1901C	Add, Divide and Floor constructive algorithms greedy math	1400	14.5k
1900A	Cover in Water constructive algorithms greedy implementation strings	800	69.9k
1899F	Alex's whims constructive algorithms graphs greedy shortest paths trees	1600	9.7k
1898C	Colorful Grid constructive algorithms	1700	6.6k
1896C	Matching Arrays binary search constructive algorithms greedy sortings	1400	11.8k
1896F	Bracket Xoring constructive algorithms greedy implementation math	2600	1k
1896G	Pepe Racing constructive algorithms implementation interactive sortings	3200	451
1895D	XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees	1900	7.2k
1894B	Two Out of Three constructive algorithms	1000	18.3k
1893B	Neutral Tonality constructive algorithms greedy sortings two pointers	1700	11.8k
1893D	Colorful Constructive constructive algorithms data structures greedy	2600	1.1k
1891A	Sorting with Twos constructive algorithms sortings	800	20.6k
1891C	Smilo and Monsters binary search constructive algorithms greedy sortings two pointers	1500	21.5k
1890A	Doremy's Paint 3 constructive algorithms	800	61.8k
1890B	Qingshan Loves Strings constructive algorithms implementation	800	18.8k
1889A	Qingshan Loves Strings 2 constructive algorithms greedy implementation	1300	15.5k
1889B	Doremy's Connecting Plan constructive algorithms greedy math sortings	1700	8.7k
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1887E	Good Colorings binary search constructive algorithms graphs interactive	3100	534
1887F	Minimum Segments constructive algorithms	3400	280
1886A	Sum of Three brute force constructive algorithms math	800	27.9k
1886E	I Wanna be the Team Leader bitmasks constructive algorithms dp greedy math sortings two pointers	2400	1.9k
1882B	Sets and Union bitmasks brute force constructive algorithms greedy	1300	17.6k
1882E1	Two Permutations (Easy Version) brute force constructive algorithms greedy number theory	2400	1.3k
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	415
1879B	Chips on the Board constructive algorithms greedy	900	25.3k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1878B	Aleksa and Stack constructive algorithms math	800	34.5k
1876C	Autosynthesis constructive algorithms dfs and similar graphs greedy sortings	2100	2.8k
1876E	Ball-Stackable constructive algorithms data structures dp trees	3300	373
1873G	ABBC or BACB constructive algorithms greedy	1500	17.2k
1870A	MEXanized Array constructive algorithms greedy math	800	20.3k
1869A	Make It Zero constructive algorithms	900	43.1k
1868A	Fill in the Matrix constructive algorithms implementation	1300	13.7k
1868B1	Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math	1700	8.4k
1868B2	Candy Party (Hard Version) bitmasks constructive algorithms dp greedy implementation math	2100	2.8k
1868D	Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	3000	418
1868E	Min-Sum-Max constructive algorithms dp greedy	3500	120
1867A	green_gold_dog, array and permutation constructive algorithms sortings	800	21.2k
1867B	XOR Palindromes bitmasks constructive algorithms strings	1100	18.8k
1867C	Salyg1n and the MEX Game constructive algorithms data structures games greedy interactive	1300	12.8k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1867E1	Salyg1n and Array (simple version) constructive algorithms interactive math	2000	4.4k
1867E2	Salyg1n and Array (hard version) constructive algorithms interactive	2200	3.8k
1867F	Most Different Tree brute force constructive algorithms dfs and similar greedy hashing	2700	554
1864A	Increasing and Decreasing constructive algorithms greedy implementation math	800	21.5k
1864B	Swap and Reverse constructive algorithms greedy sortings strings	1100	16.8k
1864C	Divisor Chain bitmasks constructive algorithms math number theory	1300	15.5k
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1864G	Magic Square combinatorics constructive algorithms implementation	3100	358
1863D	Two-Colored Dominoes constructive algorithms greedy	1400	10.9k
1863I	Redundant Routes constructive algorithms dp trees	3500	133
1862B	Sequence Game constructive algorithms	800	59.1k
1862D	Ice Cream Balls binary search combinatorics constructive algorithms math	1300	20.2k
1862E	Kolya and Movie Theatre constructive algorithms data structures greedy	1600	13k
1861A	Prime Deletion constructive algorithms math	800	26.2k
1861B	Two Binary Strings constructive algorithms dp greedy	1000	24.3k

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