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Problemset

11,320 problems

#	Name	Rating↕	Solved↕
1907E	Good Triples brute force combinatorics number theory	1600	16.7k
1907F	Shift and Reverse greedy sortings	1800	6.1k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1906A	Easy As ABC brute force	1000	6.2k
1906B	Button Pressing bitmasks constructive algorithms hashing	2600	865
1906C	Cursed Game interactive	3000	296
1906D	Spaceship Exploration binary search geometry	2800	174
1906E	Merge Not Sort constructive algorithms dp	1900	2.5k
1906F	Maximize The Value data structures sortings	2100	1.8k
1906G	Grid Game 2 games number theory	2900	430
1906H	Twin Friends combinatorics dp	2200	1.1k
1906I	Contingency Plan 2 graph matchings	2900	306
1906J	Count BFS Graph combinatorics dp	2100	1.1k
1906K	Deck-Building Game divide and conquer math	2500	618
1906L	Palindromic Parentheses constructive algorithms	2500	792
1906M	Triangle Construction greedy math	1700	3.5k
1905A	Constructive Problems constructive algorithms math	800	24.6k
1905B	Begginer's Zelda greedy trees	1100	18.9k
1905C	Largest Subsequence greedy strings	1400	14.4k
1905D	Cyclic MEX data structures implementation math two pointers	2000	4.8k
1905E	One-X combinatorics dfs and similar dp math trees	2400	1.3k
1905F	Field Should Not Be Empty brute force data structures divide and conquer	2600	796
1904A	Forked! brute force implementation	900	43.8k
1904B	Collecting Game binary search dp greedy sortings two pointers	1100	30.1k
1904C	Array Game binary search brute force data structures sortings two pointers	1400	25.2k
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
1904E	Tree Queries data structures dfs and similar graphs implementation trees	2500	1.4k
1904F	Beautiful Tree data structures dfs and similar graphs implementation trees	2800	582
1903A	Halloumi Boxes brute force greedy sortings	800	86.9k
1903B	StORage room bitmasks brute force constructive algorithms greedy	1200	15k
1903C	Theofanis' Nightmare constructive algorithms greedy	1400	14.8k
1903D1	Maximum And Queries (easy version) binary search bitmasks brute force greedy	1700	7.4k
1903D2	Maximum And Queries (hard version) bitmasks divide and conquer dp greedy	2500	1.1k
1903E	Geo Game greedy interactive math	2000	2.6k
1903F	Babysitting 2-sat binary search data structures graphs trees	2500	976
1902A	Binary Imbalance constructive algorithms	800	23.4k
1902B	Getting Points binary search brute force greedy	1100	16.6k
1902C	Insert and Equalize brute force constructive algorithms greedy math number theory	1300	17.5k
1902D	Robot Queries binary search data structures dp implementation	1900	5.4k
1902E	Collapsing Strings data structures strings trees	1900	5.9k
1902F	Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees	2400	1.5k
1901A	Line Trip greedy math	800	81.8k
1901B	Chip and Ribbon greedy math	1100	17.2k
1901C	Add, Divide and Floor constructive algorithms greedy math	1400	14.5k
1901D	Yet Another Monster Fight binary search dp greedy implementation math	1700	8.8k
1901E	Compressed Tree dfs and similar dp graphs greedy sortings trees	2200	2k
1901F	Landscaping binary search geometry two pointers	2900	274
1900A	Cover in Water constructive algorithms greedy implementation strings	800	70k
1900B	Laura and Operations dp math	900	20.8k
1900C	Anji's Binary Tree dfs and similar dp trees	1300	15.3k
1900D	Small GCD bitmasks brute force dp math number theory	2000	5.6k
1900E	Transitive Graph dfs and similar dp dsu graphs implementation	2100	2.7k
1900F	Local Deletions binary search data structures implementation	2800	370
1899A	Game with Integers games math number theory	800	100.1k
1899B	250 Thousand Tons of TNT brute force implementation number theory	1100	35.5k
1899C	Yarik and Array dp greedy two pointers	1100	37.2k
1899D	Yarik and Musical Notes hashing math number theory	1300	15.9k
1899E	Queue Sort greedy implementation sortings	1300	18.6k
1899F	Alex's whims constructive algorithms graphs greedy shortest paths trees	1600	9.7k
1899G	Unusual Entertainment data structures dfs and similar dsu shortest paths sortings trees two pointers	1900	4.1k
1898A	Milica and String brute force implementation strings	800	17.6k
1898B	Milena and Admirer greedy math	1500	14.9k
1898C	Colorful Grid constructive algorithms	1700	6.6k
1898D	Absolute Beauty greedy math	1900	6.8k
1898E	Sofia and Strings data structures greedy sortings strings two pointers	2200	2.8k
1898F	Vova Escapes the Matrix brute force dfs and similar divide and conquer shortest paths	2600	1k
1896A	Jagged Swaps sortings	800	62.8k
1896B	AB Flipping greedy strings two pointers	900	18.8k
1896C	Matching Arrays binary search constructive algorithms greedy sortings	1400	11.8k
1896D	Ones and Twos binary search data structures divide and conquer math two pointers	1700	7.1k
1896E	Permutation Sorting data structures sortings	2100	2.8k
1896F	Bracket Xoring constructive algorithms greedy implementation math	2600	1k
1896G	Pepe Racing constructive algorithms implementation interactive sortings	3200	451
1896H1	Cyclic Hamming (Easy Version) brute force divide and conquer dp fft math number theory	3400	181
1896H2	Cyclic Hamming (Hard Version) brute force dp fft math number theory	3500	164
1895A	Treasure Chest math	800	26.1k
1895B	Points and Minimum Distance greedy math sortings	800	21.7k
1895C	Torn Lucky Ticket brute force dp hashing implementation math	1400	13.3k
1895D	XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees	1900	7.2k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1895F	Fancy Arrays combinatorics dp math matrices	2600	1.1k
1895G	Two Characters, Two Colors binary search data structures dp flows greedy	3100	405
1894A	Secret Sport implementation strings	800	20.5k
1894B	Two Out of Three constructive algorithms	1000	18.3k
1893A	Anonymous Informant brute force dfs and similar graphs implementation	1400	15.3k
1893B	Neutral Tonality constructive algorithms greedy sortings two pointers	1700	11.8k
1893C	Freedom of Choice brute force greedy implementation	2000	3.3k
1893D	Colorful Constructive constructive algorithms data structures greedy	2600	1.1k
1893E	Cacti Symphony combinatorics dfs and similar dp graphs	3500	342
1891A	Sorting with Twos constructive algorithms sortings	800	20.6k
1891B	Deja Vu brute force math sortings	1100	30.9k
1891C	Smilo and Monsters binary search constructive algorithms greedy sortings two pointers	1500	21.5k
1891D	Suspicious logarithms binary search brute force math	1900	4.6k
1891E	Brukhovich and Exams brute force greedy implementation math sortings	2500	1.1k
1891F	A Growing Tree data structures dfs and similar trees	2000	4.9k
1890A	Doremy's Paint 3 constructive algorithms	800	61.9k
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

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