|
|
4475 |
P1006C Three Parts of the Array
|
0 / 0 |
普及-
|
|
|
4474 |
P1006D Two Strings Swaps
|
0 / 0 |
普及
|
|
|
4473 |
P1006E Military Problem
|
0 / 0 |
普及
|
|
|
4472 |
P1006F Xor-Paths
|
0 / 0 |
提高
|
|
|
4471 |
P1007A Reorder the Array
|
0 / 0 |
普及-
|
|
|
4470 |
P1007B Pave the Parallelepiped
|
0 / 0 |
NOI
|
|
|
4469 |
P1007C Guess two numbers
|
0 / 0 |
CTSC
|
|
|
4468 |
P1007D Ants
|
0 / 0 |
CTSC
|
|
|
4467 |
P1007E Mini Metro
|
0 / 0 |
CTSC
|
|
|
4466 |
P1008A Romaji
|
0 / 0 |
普及-
|
|
|
4465 |
P1008B Turn the Rectangles
|
0 / 0 |
普及-
|
|
|
4464 |
P1009A Game Shopping
|
0 / 0 |
普及-
|
|
|
4463 |
P1009B Minimum Ternary String
|
0 / 0 |
普及-
|
|
|
4462 |
P1009C Annoying Present
|
0 / 0 |
普及
|
|
|
4461 |
P1009D Relatively Prime Graph
|
0 / 0 |
普及
|
|
|
4460 |
P1009E Intercity Travelling
|
0 / 0 |
提高
|
|
|
4459 |
P1009F Dominant Indices
|
0 / 0 |
省选
|
|
|
4458 |
P1009G Allowed Letters
|
0 / 0 |
NOI
|
|
|
4457 |
P1010A Fly
|
0 / 0 |
普及
|
|
|
4456 |
P1010B Rocket
|
0 / 0 |
普及
|
|
|
4455 |
P1010C Border
|
0 / 0 |
普及
|
|
|
4454 |
P1010D Mars rover
|
0 / 0 |
提高
|
|
|
4453 |
P1010E Store
|
0 / 0 |
CTSC
|
|
|
4452 |
P1010F Tree
|
0 / 0 |
CTSC
|
|
|
4451 |
P1011A Stages
|
0 / 0 |
普及-
|
|
|
4450 |
P1011B Planning The Expedition
|
0 / 0 |
普及-
|
|
|
4449 |
P1012A Photo of The Sky
|
0 / 0 |
普及
|
|
|
4448 |
P1012B Chemical table
|
0 / 0 |
普及
|
|
|
4447 |
P1012C Hills
|
0 / 0 |
普及
|
|
|
4446 |
P1012D AB-Strings
|
0 / 0 |
CTSC
|
|
|
4445 |
P1012E Cycle sort
|
0 / 0 |
CTSC
|
|
|
4444 |
P1012F Passports
|
0 / 0 |
CTSC
|
|
|
4443 |
P1013A Piles With Stones
|
0 / 0 |
普及-
|
|
|
4442 |
P1013B And
|
0 / 0 |
普及-
|
|
|
4441 |
P1015A Points in Segments
|
0 / 0 |
普及-
|
|
|
4440 |
P1015B Obtaining the String
|
0 / 0 |
普及-
|
|
|
4439 |
P1015C Songs Compression
|
0 / 0 |
普及-
|
|
|
4438 |
P1015D Walking Between Houses
|
0 / 0 |
普及
|
|
|
4437 |
P1015E1 Stars Drawing (Easy Edition)
|
0 / 0 |
普及
|
|
|
4436 |
P1015E2 Stars Drawing (Hard Edition)
|
0 / 0 |
普及
|
|
|
4435 |
P1015F Bracket Substring
|
0 / 0 |
省选
|
|
|
4434 |
P1016A Death Note
|
0 / 0 |
普及-
|
|
|
4433 |
P1016B Segment Occurrences
|
0 / 0 |
普及-
|
|
|
4432 |
P1016C Vasya And The Mushrooms
|
0 / 0 |
普及
|
|
|
4431 |
P1016D Vasya And The Matrix
|
0 / 0 |
普及
|
|
|
4430 |
P1016E Rest In The Shades
|
0 / 0 |
NOI
|
|
|
4429 |
P1016F Road Projects
|
0 / 0 |
CTSC
|
|
|
4428 |
P1016G Appropriate Team
|
0 / 0 |
CTSC
|
|
|
4427 |
P1017A The Rank
|
0 / 0 |
普及-
|
|
|
4426 |
P1017B The Bits
|
0 / 0 |
普及-
|
|
|
4425 |
P1017C The Phone Number
|
0 / 0 |
普及
|
|
|
4424 |
P1017D The Wu
|
0 / 0 |
普及
|
|
|
4423 |
P1017E The Supersonic Rocket
|
0 / 0 |
NOI
|
|
|
4422 |
P1017F The Neutral Zone
|
0 / 0 |
NOI
|
|
|
4421 |
P1017G The Tree
|
0 / 0 |
CTSC
|
|
|
4420 |
P1017H The Films
|
0 / 0 |
CTSC
|
|
|
4419 |
P1019A Elections
|
0 / 0 |
普及
|
|
|
4418 |
P1019B The hat
|
0 / 0 |
提高
|
|
|
4417 |
P1019C Sergey's problem
|
0 / 0 |
CTSC
|
|
|
4416 |
P1019D Large Triangle
|
0 / 0 |
CTSC
|
|
|
4415 |
P1019E Raining season
|
0 / 0 |
CTSC
|
|
|
4414 |
P1020A New Building for SIS
|
0 / 0 |
普及-
|
|
|
4413 |
P1020B Badge
|
0 / 0 |
普及-
|
|
|
4412 |
P1023A Single Wildcard Pattern Matching
|
0 / 0 |
普及-
|
|
|
4411 |
P1023B Pair of Toys
|
0 / 0 |
普及-
|
|
|
4410 |
P1023C Bracket Subsequence
|
0 / 0 |
普及-
|
|
|
4409 |
P1023D Array Restoration
|
0 / 0 |
普及
|
|
|
4408 |
P1023E Down or Right
|
0 / 0 |
提高
|
|
|
4407 |
P1023F Mobile Phone Network
|
0 / 0 |
CTSC
|
|
|
4406 |
P1023G Pisces
|
0 / 0 |
CTSC
|
|
|
4405 |
P1025A Doggo Recoloring
|
0 / 0 |
普及-
|
|
|
4404 |
P1025B Weakened Common Divisor
|
0 / 0 |
普及
|
|
|
4403 |
P1025C Plasticine zebra
|
0 / 0 |
普及
|
|
|
4402 |
P1025D Recovering BST
|
0 / 0 |
提高
|
|
|
4401 |
P1025E Colored Cubes
|
0 / 0 |
CTSC
|
|
|
4400 |
P1025F Disjoint Triangles
|
0 / 0 |
CTSC
|
|
|
4399 |
P1025G Company Acquisitions
|
0 / 0 |
CTSC
|
|
|
4398 |
P1027A Palindromic Twist
|
0 / 0 |
普及-
|
|
|
4397 |
P1027B Numbers on the Chessboard
|
0 / 0 |
普及-
|
|
|
4396 |
P1027C Minimum Value Rectangle
|
0 / 0 |
普及
|
|
|
4395 |
P1027D Mouse Hunt
|
0 / 0 |
普及
|
|
|
4394 |
P1027E Inverse Coloring
|
0 / 0 |
提高
|
|
|
4393 |
P1027F Session in BSU
|
0 / 0 |
NOI
|
|
|
4392 |
P1027G X-mouse in the Campus
|
0 / 0 |
CTSC
|
|
|
4391 |
P1028A Find Square
|
0 / 0 |
普及-
|
|
|
4390 |
P1028B Unnatural Conditions
|
0 / 0 |
普及-
|
|
|
4389 |
P1028C Rectangles
|
0 / 0 |
普及
|
|
|
4388 |
P1028D Order book
|
0 / 0 |
提高
|
|
|
4387 |
P1028E Restore Array
|
0 / 0 |
NOI
|
|
|
4386 |
P1028F Make Symmetrical
|
0 / 0 |
CTSC
|
|
|
4385 |
P1028G Guess the number
|
0 / 0 |
CTSC
|
|
|
4384 |
P1028H Make Square
|
0 / 0 |
CTSC
|
|
|
4383 |
P1029A Many Equal Substrings
|
0 / 0 |
普及-
|
|
|
4382 |
P1029B Creating the Contest
|
0 / 0 |
普及-
|
|
|
4381 |
P1029C Maximal Intersection
|
0 / 0 |
普及
|
|
|
4380 |
P1029D Concatenated Multiples
|
0 / 0 |
普及
|
|
|
4379 |
P1029E Tree with Small Distances
|
0 / 0 |
提高
|
|
|
4378 |
P1029F Multicolored Markers
|
0 / 0 |
提高
|
|
|
4377 |
P1030A In Search of an Easy Problem
|
0 / 0 |
普及-
|
|
|
4376 |
P1030B Vasya and Cornfield
|
0 / 0 |
普及-
|
