Problemset - Codeforces

→ Pay attention

Before contest
Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
5 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1016C	Vasya And The Mushrooms dp, implementation	1800	x3770
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5896
1015D	Walking Between Houses constructive algorithms, greedy	1600	x8256
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6437
1010C	Border number theory	1800	x4876
1010B	Rocket binary search, interactive	1800	x5198
1010A	Fly binary search, math	1500	x8095
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6270
1009C	Annoying Present greedy, math	1700	x5309
1009B	Minimum Ternary String greedy, implementation	1400	x10164
1006E	Military Problem dfs and similar, graphs, trees	1600	x9982
1006D	Two Strings Swaps implementation	1700	x6015
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3930
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x10236
1004C	Sonya and Robots constructive algorithms, implementation	1400	x7550
1003D	Coins and Queries greedy	1600	x7819
1002E1	Bernstein-Vazirani algorithm	1500	x322
1002D3	Oracle for majority function	1600	x333
1002C2	Distinguish zero state and plus state without errors	1800	x267
1002C1	Distinguish zero state and plus state with minimum error	1700	x302
1002B4	Distinguish four 2-qubit states - 2	1700	x309
1002B3	Distinguish four 2-qubit states	1600	x411
1002B2	Distinguish GHZ state and W state	1600	x446
1002A3	Generate superposition of two basis states	1500	x476
1001I	Deutsch-Jozsa algorithm *special problem	1700	x401
1001G	Oracle for f(x) = k-th element of x *special problem	1400	x538
1001E	Distinguish Bell states *special problem	1600	x558
1001D	Distinguish plus state and minus state *special problem	1400	x682
1001C	Generate GHZ state *special problem	1400	x654
1001B	Generate Bell state *special problem	1400	x711
1000C	Covered Points Count data structures, implementation, sortings	1700	x6837
1000B	Light It Up greedy	1500	x5888
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8337
995B	Suit and Tie greedy, implementation, math	1400	x7112
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5738
993A	Two Squares geometry, implementation	1600	x4162
992C	Nastya and a Wardrobe math	1600	x4620
992B	Nastya Studies Informatics math, number theory	1600	x6292
991E	Bus Number brute force, combinatorics, math	1800	x3511
991D	Bishwock dp, greedy	1500	x7228
991C	Candies binary search, implementation	1500	x10540
990D	Graph And Its Complement constructive algorithms, graphs, implementation	1700	x3852
990C	Bracket Sequences Concatenation Problem implementation	1500	x5938
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3822
988D	Points and Powers of Two brute force, math	1800	x7350
988C	Equal Sums implementation, sortings	1400	x10277
987C	Three displays brute force, dp, implementation	1400	x13620
986B	Petr and Permutations combinatorics, math	1800	x4692
986A	Fair graphs, greedy, number theory, shortest paths	1600	x7021
985C	Liebig's Barrels greedy	1500	x5785
983B	XOR-pyramid dp	1800	x5573
983A	Finite or not? implementation, math	1700	x4556
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11712
981C	Useful Decomposition implementation, trees	1400	x5497
980C	Posterized games, greedy	1700	x3801
980B	Marlin constructive algorithms	1600	x4701
979C	Kuro and Walking Route dfs and similar, trees	1600	x6352
979B	Treasure Hunt greedy	1800	x4438
978G	Petya's Exams greedy, implementation, sortings	1700	x4397
978F	Mentors binary search, data structures, implementation	1500	x8362
978E	Bus Video System combinatorics, math	1400	x9629
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8859
977F	Consecutive Subsequence dp	1700	x19572
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x20930
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x18518
976C	Nested Segments greedy, implementation, sortings	1500	x7012
975C	Valhalla Siege binary search	1400	x9731
963A	Alternating Sum math, number theory	1800	x3334
962D	Merge Equals data structures, implementation	1600	x6915
962C	Make a Square brute force, implementation, math	1400	x7892
961C	Chessboard bitmasks, brute force, implementation	1400	x5319
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3935
960B	Minimize the error data structures, greedy, sortings	1500	x8157
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5792
958F2	Lightsabers (medium) binary search, two pointers	1800	x1240
958F1	Lightsabers (easy) implementation	1500	x1684
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1544
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2078
958A1	Death Stars (easy) implementation	1400	x1668
955B	Not simply beatiful strings implementation	1400	x4840
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6702
954C	Matrix Walk implementation	1700	x3796
954B	String Typing implementation, strings	1400	x7288
952D	I'm Feeling Lucky! probabilities	1800	x2453
952C	Ravioli Sort implementation	1600	x2914
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3732
949A	Zebras greedy	1600	x5408
946D	Timetable dp	1800	x4467
940D	Alena And The Heater binary search, implementation	1600	x3640
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5904
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x9041
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3164
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7365
939C	Convenient For Everybody binary search, two pointers	1600	x4645
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3325
937B	Vile Grasshoppers brute force, math, number theory	1400	x6919
936A	Save Energy! binary search, implementation, math	1700	x4372
935C	Fifa and Fafa geometry	1600	x4763
934A	A Compatible Pair brute force, games	1400	x7019
933A	A Twisty Movement dp	1800	x4996