Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
4 days

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Difficulty: —

math

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Problems

#	Name
1107B	Digital root math, number theory	1000	x14836
221A	Little Elephant and Function implementation, math	1000	x14701
1834B	Maximum Strength greedy, math	1000	x14542
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14428
1266B	Dice Tower constructive algorithms, math	1000	x14343
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14334
1825B	LuoTianyi and the Table greedy, math	1000	x14176
1260A	Heating math	1000	x14174
1245A	Good ol' Numbers Coloring math, number theory	1000	x13894
114A	Cifera math	1000	x13855
389A	Fox and Number Game greedy, math	1000	x13842
1117B	Emotes greedy, math, sortings	1000	x13826
1248A	Integer Points geometry, math	1000	x13765
1041B	Buying a TV Set math	1000	x13696
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13635
979A	Pizza, Pizza, Pizza!!! math	1000	x13438
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13211
1181A	Chunga-Changa greedy, math	1000	x13125
1584B	Coloring Rectangles greedy, math	1000	x13082
143A	Help Vasilisa the Wise 2 brute force, math	1000	x13069
1802B	Settlement of Guinea Pigs greedy, implementation, math	1000	x12909
1765M	Minimum LCM math, number theory	1000	x12696
1195A	Drinks Choosing greedy, math	1000	x12520
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11530
1153A	Serval and Bus brute force, math	1000	x11329
1215A	Yellow Cards greedy, implementation, math	1000	x11266
1023B	Pair of Toys math	1000	x10618
990A	Commentary Boxes implementation, math	1000	x10445
1073B	Vasya and Books implementation, math	1000	x10425
777A	Shell Game constructive algorithms, implementation, math	1000	x10040
1036A	Function Height math	1000	x10038
336A	Vasily the Bear and Triangle implementation, math	1000	x9872
1765E	Exchange brute force, math	1000	x9540
552A	Vanya and Table implementation, math	1000	x9333
779A	Pupils Redistribution constructive algorithms, math	1000	x9224
608A	Saitama Destroys Hotel implementation, math	1000	x9146
622A	Infinite Sequence implementation, math	1000	x9095
1020A	New Building for SIS math	1000	x8864
753A	Santa Claus and Candies dp, greedy, math	1000	x8771
195A	Let's Watch Football binary search, brute force, math	1000	x8485
13A	Numbers implementation, math	1000	x7371
967B	Watering System math, sortings	1000	x6838
859B	Lazy Security Guard brute force, geometry, math	1000	x6746
847M	Weather Tomorrow implementation, math	1000	x6181
628A	Tennis Tournament implementation, math	1000	x6180
371A	K-Periodic Array greedy, implementation, math	1000	x5948
90A	Cableway greedy, math	1000	x4513
120A	Elevator brute force, implementation, math	1000	x4500
1346A	Color Revolution *special problem, math	1000	x1942
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1313
270A	Fancy Fence geometry, implementation, math	1100	x43500
1327A	Sum of Odd Integers math	1100	x36962
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x31459
82A	Double Cola implementation, math	1100	x29458
1366A	Shovels and Swords binary search, greedy, math	1100	x28978
1409B	Minimum Product brute force, greedy, math	1100	x28265
463B	Caisa and Pylons brute force, implementation, math	1100	x25857
1345B	Card Constructions binary search, brute force, dp, math	1100	x25490
224A	Parallelepiped brute force, geometry, math	1100	x25400
1463A	Dungeon binary search, math	1100	x24471
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x24047
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23105
651A	Joysticks dp, greedy, implementation, math	1100	x22512
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22442
483A	Counterexample brute force, implementation, math, number theory	1100	x22238
1857B	Maximum Rounding greedy, implementation, math	1100	x22143
258A	Little Elephant and Bits greedy, math	1100	x22077
1872C	Non-coprime Split math, number theory	1100	x22012
296A	Yaroslav and Permutations greedy, math	1100	x21989
1511B	GCD Length constructive algorithms, math, number theory	1100	x21979
1840B	Binary Cafe bitmasks, combinatorics, math	1100	x21526
1618C	Paint the Array math	1100	x21489
1739B	Array Recovery constructive algorithms, greedy, math	1100	x21437
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20905
1914C	Quests greedy, math	1100	x20775
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20736
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20524
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20510
630C	Lucky Numbers combinatorics, math	1100	x20426
1638B	Odd Swap Sort data structures, math, sortings	1100	x20416
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20344
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20079
1633C	Kill the Monster brute force, math	1100	x19628
1593D1	All are Same math, number theory	1100	x19580
1708B	Difference of GCDs constructive algorithms, math	1100	x19538
1760E	Binary Inversions data structures, greedy, math	1100	x19288
1920B	Summation Game games, greedy, math, sortings	1100	x19287
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19265
1455C	Ping-pong constructive algorithms, games, math	1100	x19235
1332A	Exercising Walk greedy, implementation, math	1100	x19144
1471B	Strange List brute force, greedy, implementation, math	1100	x19119
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19022
1594B	Special Numbers bitmasks, math	1100	x18913
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18261
1606B	Update Files greedy, implementation, math	1100	x18254
1492B	Card Deck data structures, greedy, math	1100	x18136
1375A	Sign Flipping constructive algorithms, math	1100	x18040
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18038
1946B	Maximum Sum dp, greedy, math	1100	x17920
1288A	Deadline binary search, brute force, math, ternary search	1100	x17883