|
|
4489 |
P1004B Sonya and Exhibition
|
0 / 0 |
普及-
|
|
|
4488 |
P1004C Sonya and Robots
|
0 / 0 |
普及-
|
|
|
4487 |
P1004D Sonya and Matrix
|
0 / 0 |
省选
|
|
|
4461 |
P1009D Relatively Prime Graph
|
0 / 0 |
普及
|
|
|
4448 |
P1012B Chemical table
|
0 / 0 |
普及
|
|
|
4446 |
P1012D AB-Strings
|
0 / 0 |
CTSC
|
|
|
4438 |
P1015D Walking Between Houses
|
0 / 0 |
普及
|
|
|
4431 |
P1016D Vasya And The Matrix
|
0 / 0 |
普及
|
|
|
4425 |
P1017C The Phone Number
|
0 / 0 |
普及
|
|
|
4417 |
P1019C Sergey's problem
|
0 / 0 |
CTSC
|
|
|
4409 |
P1023D Array Restoration
|
0 / 0 |
普及
|
|
|
4408 |
P1023E Down or Right
|
0 / 0 |
提高
|
|
|
4403 |
P1025C Plasticine zebra
|
0 / 0 |
普及
|
|
|
4401 |
P1025E Colored Cubes
|
0 / 0 |
CTSC
|
|
|
4399 |
P1025G Company Acquisitions
|
0 / 0 |
CTSC
|
|
|
4390 |
P1028B Unnatural Conditions
|
0 / 0 |
普及-
|
|
|
4387 |
P1028E Restore Array
|
0 / 0 |
NOI
|
|
|
4366 |
P1031E Triple Flips
|
0 / 0 |
CTSC
|
|
|
4362 |
P1032C Playing Piano
|
0 / 0 |
普及
|
|
|
4353 |
P1033E Hidden Bipartite Graph
|
0 / 0 |
CTSC
|
|
|
4349 |
P1034B Little C Loves 3 II
|
0 / 0 |
省选
|
|
|
4338 |
P1037A Packets
|
0 / 0 |
普及-
|
|
|
4329 |
P1038B Non-Coprime Partition
|
0 / 0 |
普及-
|
|
|
4324 |
P1039A Timetable
|
0 / 0 |
省选
|
|
|
4313 |
P1041E Tree Reconstruction
|
0 / 0 |
普及
|
|
|
4309 |
P1042C Array Product
|
0 / 0 |
普及
|
|
|
4303 |
P1043C Smallest Word
|
0 / 0 |
普及
|
|
|
4301 |
P1043E Train Hard, Win Easy
|
0 / 0 |
普及
|
|
|
4288 |
P1045E Ancient civilizations
|
0 / 0 |
CTSC
|
|
|
4270 |
P1053E Euler tour
|
0 / 0 |
CTSC
|
|
|
4267 |
P1054C Candies Distribution
|
0 / 0 |
普及
|
|
|
4265 |
P1054E Chips Puzzle
|
0 / 0 |
NOI
|
|
|
4263 |
P1054G New Road Network
|
0 / 0 |
CTSC
|
|
|
4251 |
P1056D Decorate Apple Tree
|
0 / 0 |
普及
|
|
|
4241 |
P1059C Sequence Transformation
|
0 / 0 |
普及
|
|
|
4231 |
P1060H Sophisticated Device
|
0 / 0 |
CTSC
|
|
|
4218 |
P1063A Oh Those Palindromes
|
0 / 0 |
普及-
|
|
|
4216 |
P1063C Dwarves, Hats and Extrasensory Abilities
|
0 / 0 |
普及
|
|
|
4214 |
P1063E Lasers and Mirrors
|
0 / 0 |
CTSC
|
|
|
4209 |
P1065B Vasya and Isolated Vertices
|
0 / 0 |
普及-
|
|
|
4195 |
P1067C Knights
|
0 / 0 |
CTSC
|
|
|
4190 |
P1068C Colored Rooks
|
0 / 0 |
普及
|
|
|
4178 |
P1070L Odd Federalization
|
0 / 0 |
CTSC
|
|
|
4177 |
P1070M Algoland and Berland
|
0 / 0 |
CTSC
|
|
|
4152 |
P1078E Negative Time Summation
|
0 / 0 |
CTSC
|
|
|
4148 |
P1080D Olya and magical square
|
0 / 0 |
提高
|
|
|
4145 |
P1081A Definite Game
|
0 / 0 |
普及-
|
|
|
4144 |
P1081B Farewell Party
|
0 / 0 |
普及
|
|
|
4141 |
P1081E Missing Numbers
|
0 / 0 |
普及
|
|
|
4140 |
P1081F Tricky Interactor
|
0 / 0 |
CTSC
|
|
|
4134 |
P1082D Maximum Diameter Graph
|
0 / 0 |
普及
|
|
|
4118 |
P1085D Minimum Diameter Tree
|
0 / 0 |
普及
|
|
|
4113 |
P1088A Ehab and another construction problem
|
0 / 0 |
普及-
|
|
|
4111 |
P1088C Ehab and a 2-operation task
|
0 / 0 |
普及-
|
|
|
4110 |
P1088D Ehab and another another xor problem
|
0 / 0 |
提高
|
|
|
4092 |
P1090C New Year Presents
|
0 / 0 |
NOI
|
|
|
4091 |
P1090D Similar Arrays
|
0 / 0 |
普及
|
|
|
4080 |
P1091B New Year and the Treasure Geolocation
|
0 / 0 |
普及-
|
|
|
4076 |
P1091F New Year and the Mallard Expedition
|
0 / 0 |
CTSC
|
|
|
4068 |
P1092E Minimal Diameter Forest
|
0 / 0 |
提高
|
|
|
4065 |
P1093B Letters Rearranging
|
0 / 0 |
普及-
|
|
|
4042 |
P1097E Egor and an RPG game
|
0 / 0 |
CTSC
|
|
|
4038 |
P1098A Sum in the tree
|
0 / 0 |
普及
|
|
|
4037 |
P1098B Nice table
|
0 / 0 |
提高
|
|
|
4036 |
P1098C Construct a tree
|
0 / 0 |
NOI
|
|
|
4031 |
P1099B Squares and Segments
|
0 / 0 |
普及-
|
|
|
4030 |
P1099C Postcard
|
0 / 0 |
普及-
|
|
|
4025 |
P1100D Dasha and Chess
|
0 / 0 |
NOI
|
|
|
4009 |
P1103A Grid game
|
0 / 0 |
普及-
|
|
|
4008 |
P1103B Game with modulo
|
0 / 0 |
提高
|
|
|
4007 |
P1103C Johnny Solving
|
0 / 0 |
CTSC
|
|
|
4004 |
P1104A Splitting into digits
|
0 / 0 |
普及-
|
|
|
3985 |
P1107G Vasya and Maximum Profit
|
0 / 0 |
NOI
|
|
|
3981 |
P1108D Diverse Garland
|
0 / 0 |
普及-
|
|
|
3976 |
P1109B Sasha and One More Name
|
0 / 0 |
普及
|
|
|
3969 |
P1110C Meaningless Operations
|
0 / 0 |
普及
|
|
|
3967 |
P1110E Magic Stones
|
0 / 0 |
省选
|
|
|
3965 |
P1110G Tree-Tac-Toe
|
0 / 0 |
CTSC
|
|
|
3955 |
P1114B Yet Another Array Partitioning Task
|
0 / 0 |
普及
|
|
|
3927 |
P1117E Decypher the String
|
0 / 0 |
省选
|
|
|
3922 |
P1118C Palindromic Matrix
|
0 / 0 |
普及
|
|
|
3919 |
P1118E Yet Another Ball Problem
|
0 / 0 |
普及
|
|
|
3914 |
P1119C Ramesses and Corner Inversion
|
0 / 0 |
普及
|
|
|
3910 |
P1119G Get Ready for the Battle
|
0 / 0 |
CTSC
|
|
|
3907 |
P1120B Once in a casino
|
0 / 0 |
CTSC
|
|
|
3897 |
P1129B Wrong Answer
|
0 / 0 |
提高
|
|
|
3885 |
P1131F Asya And Kittens
|
0 / 0 |
普及
|
|
|
3870 |
P1133F2 Spanning Tree with One Fixed Degree
|
0 / 0 |
普及
|
|
|
3868 |
P1136B Nastya Is Playing Computer Games
|
0 / 0 |
普及-
|
|
|
3867 |
P1136C Nastya Is Transposing Matrices
|
0 / 0 |
普及
|
|
|
3861 |
P1137D Cooperative Game
|
0 / 0 |
NOI
|
|
|
3836 |
P1141G Privatization of Roads in Treeland
|
0 / 0 |
普及
|
|
|
3825 |
P1144C Two Shuffled Sequences
|
0 / 0 |
普及-
|
|
|
3824 |
P1144D Equalize Them All
|
0 / 0 |
普及-
|
|
|
3797 |
P1148C Crazy Diamond
|
0 / 0 |
普及
|
|
|
3795 |
P1148E Earth Wind and Fire
|
0 / 0 |
省选
|
|
|
3794 |
P1148F Foo Fighters
|
0 / 0 |
CTSC
|
|
|
3793 |
P1148G Gold Experience
|
0 / 0 |
CTSC
|
|
|
3791 |
P1149A Prefix Sum Primes
|
0 / 0 |
普及-
|
|
|
3783 |
P1151B Dima and a Bad XOR
|
0 / 0 |
普及
|
