Problemset - Codeforces

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Codeforces Round 962 (Div. 3)
23:48:55
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Problems

#	Name
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2506
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3911
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1603
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4467
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1621
1927G	Paint Charges data structures, dp, greedy, math	2300	x1578
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x19890
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3301
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1602
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x11131
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x24998
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3426
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x142
1924D	Balanced Subsequences combinatorics, dp, math	2700	x913
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x13164
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3496
1923B	Monsters Attack! dp, greedy, implementation	1100	x17029
1922F	Replace on Segment dp, graph matchings	2500	x1285
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1186
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3647
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2500
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x785
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x816
1919C	Grouping Increases data structures, dp, greedy	1400	x17876
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4519
1917F	Construct Tree bitmasks, constructive algorithms, dp, trees	2500	x932
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1716
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x20779
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x519
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x600
1916G	Optimizations From Chelsu divide and conquer, dp, number theory, trees	3500	x143
1914G2	Light Bulbs (Hard Version) combinatorics, data structures, dfs and similar, dp, graphs, hashing	2300	x1274
1914G1	Light Bulbs (Easy Version) brute force, combinatorics, dfs and similar, dp, dsu, graphs, math, trees	2100	x1751
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3893
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x19913
1913D	Array Collapse data structures, divide and conquer, dp, trees	2100	x2929
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x2235
1910I	Inverse Problem *special problem, combinatorics, dp	2700	x47
1910E	Maximum Sum Subarrays *special problem, dp	2100	x184
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x116
1909F2	Small Permutation Problem (Hard Version) combinatorics, dp, math	2500	x875
1909F1	Small Permutation Problem (Easy Version) brute force, combinatorics, dp, math	2200	x1709
1906J	Count BFS Graph combinatorics, dp	2100	x704
1906H	Twin Friends combinatorics, dp	2200	x640
1906E	Merge Not Sort constructive algorithms, dp	1900	x1414
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x906
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x14118
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x742
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3900
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1451
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6547
1900E	Transitive Graph dfs and similar, dp, dsu, graphs, implementation	2100	x1948
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3950
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x11020
1900B	Laura and Operations dp, math	900	x16811
1899C	Yarik and Array dp, greedy, two pointers	1100	x19638
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x98
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x87
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x182
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x706
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1514
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10593
1893E	Cacti Symphony combinatorics, dfs and similar, dp, graphs	3500	x188
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x73
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x930
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3138
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1391
1884D	Counting Rhyme dp, math, number theory	2100	x3039
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5826
1883C	Raspberries dp, math	1000	x25110
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5208
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6467
1881E	Block Sequence dp	1500	x12930
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7043
1879C	Make it Alternating combinatorics, dp, greedy	1300	x16012
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x261
1875D	Jellyfish and Mex dp	1600	x8182
1874G	Jellyfish and Inscryption dp	3500	x80
1874F	Jellyfish and OEIS dp	3500	x193
1874E	Jellyfish and Hack dp, math	3000	x295
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x693
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1560
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1109
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12842
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2280
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11161
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x79
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1116
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2343
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x711
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x425
1866J	Jackets and Packets dp	2800	x273
1866I	Imagination Castle dp, games, two pointers	2300	x691
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1577
1866E	Elevators of Tamem dp	2700	x284
1866D	Digital Wallet dp, greedy	2300	x1235
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x2942
1864H	Asterism Stream dp, math, matrices	3200	x277
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6552
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x74