Problemset - Codeforces

→ Pay attention

Before contest
Pinely Round 4 (Div. 1 + Div. 2)
07:58:19
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4852
1059C	Sequence Transformation constructive algorithms, math	1600	x7062
1057B	DDoS *special problem, brute force	1400	x1814
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5782
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2345
1056B	Divide Candies math, number theory	1600	x4173
1054C	Candies Distribution constructive algorithms, implementation	1500	x4253
1051D	Bicolorings bitmasks, dp	1700	x7316
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9214
1046F	Splitting money implementation	1400	x2742
1046C	Space Formula greedy	1400	x3058
1045I	Palindrome Pairs hashing, strings	1600	x4298
1044A	The Tower is Going Home binary search, two pointers	1700	x2877
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4400
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6826
1042D	Petya and Array data structures, divide and conquer, two pointers	1800	x5942
1042C	Array Product constructive algorithms, greedy, math	1700	x4649
1041D	Glider binary search, data structures, two pointers	1700	x5887
1041C	Coffee Break binary search, data structures, greedy, two pointers	1600	x9365
1038D	Slime dp, greedy, implementation	1800	x8254
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x14354
1036D	Vasya and Arrays greedy, two pointers	1600	x9154
1036B	Diagonal Walking v.2 math	1600	x5664
1034A	Enlarge GCD number theory	1800	x8501
1033C	Permutation Game brute force, dp, games	1600	x5490
1032C	Playing Piano constructive algorithms, dp	1700	x3930
1031C	Cram Time greedy	1600	x5241
1031B	Curiosity Has No Limits	1500	x3898
1030D	Vasya and Triangle geometry, number theory	1800	x5850
1029C	Maximal Intersection greedy, math, sortings	1600	x7429
1028C	Rectangles geometry, implementation, sortings	1600	x4453
1027D	Mouse Hunt dfs and similar, graphs	1700	x7321
1027C	Minimum Value Rectangle greedy	1600	x6811
1025C	Plasticine zebra constructive algorithms, implementation	1600	x6055
1025B	Weakened Common Divisor brute force, greedy, number theory	1600	x7839
1023D	Array Restoration constructive algorithms, data structures	1700	x4003
1019A	Elections brute force, greedy	1700	x4602
1017C	The Phone Number constructive algorithms, greedy	1600	x5963
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4653
1016C	Vasya And The Mushrooms dp, implementation	1800	x3669
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5604
1015D	Walking Between Houses constructive algorithms, greedy	1600	x8082
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6259
1010C	Border number theory	1800	x4735
1010B	Rocket binary search, interactive	1800	x5104
1010A	Fly binary search, math	1500	x8024
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6192
1009C	Annoying Present greedy, math	1700	x5207
1009B	Minimum Ternary String greedy, implementation	1400	x9996
1006E	Military Problem dfs and similar, graphs, trees	1600	x9665
1006D	Two Strings Swaps implementation	1700	x5917
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3831
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9994
1004C	Sonya and Robots constructive algorithms, implementation	1400	x7483
1003D	Coins and Queries greedy	1600	x7634
1002E1	Bernstein-Vazirani algorithm	1500	x320
1002D3	Oracle for majority function	1600	x331
1002C2	Distinguish zero state and plus state without errors	1800	x265
1002C1	Distinguish zero state and plus state with minimum error	1700	x300
1002B4	Distinguish four 2-qubit states - 2	1700	x307
1002B3	Distinguish four 2-qubit states	1600	x409
1002B2	Distinguish GHZ state and W state	1600	x444
1002A3	Generate superposition of two basis states	1500	x473
1001I	Deutsch-Jozsa algorithm *special problem	1700	x399
1001G	Oracle for f(x) = k-th element of x *special problem	1400	x535
1001E	Distinguish Bell states *special problem	1600	x556
1001D	Distinguish plus state and minus state *special problem	1400	x680
1001C	Generate GHZ state *special problem	1400	x651
1001B	Generate Bell state *special problem	1400	x709
1000C	Covered Points Count data structures, implementation, sortings	1700	x6580
1000B	Light It Up greedy	1500	x5737
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8267
995B	Suit and Tie greedy, implementation, math	1400	x7049
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5608
993A	Two Squares geometry, implementation	1600	x3955
992C	Nastya and a Wardrobe math	1600	x4533
992B	Nastya Studies Informatics math, number theory	1600	x6215
991E	Bus Number brute force, combinatorics, math	1800	x3440
991D	Bishwock dp, greedy	1500	x7102
991C	Candies binary search, implementation	1500	x10193
990D	Graph And Its Complement constructive algorithms, graphs, implementation	1700	x3772
990C	Bracket Sequences Concatenation Problem implementation	1500	x5837
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3757
988D	Points and Powers of Two brute force, math	1800	x7053
988C	Equal Sums implementation, sortings	1400	x10052
987C	Three displays brute force, dp, implementation	1400	x13287
986B	Petr and Permutations combinatorics, math	1800	x4610
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6758
985C	Liebig's Barrels greedy	1500	x5734
983B	XOR-pyramid dp	1800	x5379
983A	Finite or not? implementation, math	1700	x4475
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11183
981C	Useful Decomposition implementation, trees	1400	x5292
980C	Posterized games, greedy	1700	x3756
980B	Marlin constructive algorithms	1600	x4658
979C	Kuro and Walking Route dfs and similar, trees	1600	x6169
979B	Treasure Hunt greedy	1800	x4383
978G	Petya's Exams greedy, implementation, sortings	1700	x4289
978F	Mentors binary search, data structures, implementation	1500	x8164
978E	Bus Video System combinatorics, math	1400	x9411