Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
27:01:38
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number theory

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Problems

#	Name
1114F	Please, another Queries on Array? bitmasks, data structures, divide and conquer, math, number theory	2400	x1824
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2778
1114C	Trailing Loves (or L'oeufs?) brute force, implementation, math, number theory	1700	x7265
1113B	Sasha and Magnetic Machines greedy, number theory	1300	x7682
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x8968
1109E	Sasha and a Very Easy Test data structures, number theory	2700	x496
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22525
1107D	Compression dp, implementation, math, number theory	1800	x3685
1107B	Digital root math, number theory	1000	x15110
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x955
1103E	Radix sum fft, math, number theory	3400	x222
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4450
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x215
1097F	Alex and a TV Show bitmasks, combinatorics, number theory	2500	x1216
1097D	Makoto and a Blackboard dp, math, number theory, probabilities	2200	x2567
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x198
1091C	New Year and the Sphere Transmission math, number theory	1400	x9833
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2542
1076B	Divisor Subtraction implementation, math, number theory	1200	x12588
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2265
1068B	LCM math, number theory	1200	x11141
1062B	Math greedy, math, number theory	1500	x8466
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8444
1056B	Divide Candies math, number theory	1600	x4088
1055C	Lucky Days math, number theory	1900	x1845
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x176
1051B	Relatively Prime Pairs greedy, math, number theory	1000	x16674
1045B	Space Isaac hashing, number theory	2400	x499
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2201
1036F	Relatively Prime Powers combinatorics, math, number theory	2400	x1416
1036E	Covered Points fft, geometry, number theory	2400	x1417
1034C	Region Separation combinatorics, dp, number theory, trees	2700	x856
1034A	Enlarge GCD number theory	1800	x8364
1033D	Divisors interactive, math, number theory	2000	x2314
1033B	Square Difference math, number theory	1100	x9280
1030G	Linear Congruential Generator number theory	2900	x350
1030D	Vasya and Triangle geometry, number theory	1800	x5689
1029F	Multicolored Markers binary search, brute force, math, number theory	2000	x2484
1027G	X-mouse in the Campus bitmasks, math, number theory	2600	x298
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3366
1025B	Weakened Common Divisor brute force, greedy, number theory	1600	x7784
1016G	Appropriate Team bitmasks, math, number theory	2700	x258
1010C	Border number theory	1800	x4681
1007B	Pave the Parallelepiped bitmasks, brute force, combinatorics, math, number theory	2400	x942
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9873
995E	Number Clicker divide and conquer, graphs, meet-in-the-middle, number theory	2700	x621
992B	Nastya Studies Informatics math, number theory	1600	x6116
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1738
986F	Oppa Funcan Style Remastered graphs, math, number theory, shortest paths	3300	x567
986E	Prince's Problem brute force, data structures, math, number theory, trees	2800	x705
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6584
982E	Billiard geometry, number theory	2600	x690
980D	Perfect Groups dp, math, number theory	2100	x2420
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1695
963C	Cutting Rectangle brute force, math, number theory	2600	x561
963A	Alternating Sum math, number theory	1800	x3234
961G	Partitions combinatorics, math, number theory	2700	x1309
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3059
955C	Sad powers binary search, math, number theory	2100	x2517
946B	Weird Subtraction Process math, number theory	1100	x10711
937B	Vile Grasshoppers brute force, math, number theory	1400	x6802
926B	Add Points math, number theory	1800	x1613
923A	Primal Sport math, number theory	1700	x4978
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x619
922C	Cave Painting brute force, number theory	1600	x6895
920G	List Of Integers binary search, bitmasks, brute force, combinatorics, math, number theory	2200	x1685
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6295
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x1849
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x27068
915G	Coprime Arrays math, number theory	2300	x1150
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5076
913G	Power Substring math, number theory	3200	x196
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1494
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x11490
906D	Power Tower chinese remainder theorem, math, number theory	2700	x1982
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3015
900B	Position in Fraction math, number theory	1300	x7652
898B	Proper Nutrition brute force, implementation, number theory	1100	x9324
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x519
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4389
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3289
891A	Pride brute force, dp, greedy, math, number theory	1500	x9682
876B	Divisiblity of Differences implementation, math, number theory	1300	x8813
870F	Paths data structures, number theory	2700	x595
870C	Maximum splitting dp, greedy, math, number theory	1300	x8975
858A	k-rounding brute force, math, number theory	1100	x7879
852F	Product transformation combinatorics, math, number theory	2200	x561
850B	Arpa and a list of numbers implementation, number theory	2100	x1979
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3423
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6961
839D	Winter is here combinatorics, dp, math, number theory	2200	x2700
838D	Airplane Arrangements math, number theory	2700	x821
833A	The Meaningless Game math, number theory	1700	x6035
830C	Bamboo Partition brute force, data structures, implementation, math, number theory, sortings, two pointers	2300	x1188
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2968
822A	I'm bored with life implementation, math, number theory	800	x31859
819D	Mister B and Astronomers number theory	2900	x217
819C	Mister B and Beacons on Field number theory	2900	x206
818E	Card Game Again binary search, data structures, number theory, two pointers	1900	x2008
817A	Treasure Hunt implementation, math, number theory	1200	x6080