|
5732 |
P723F st-Spanning Tree
|
0 / 0 |
省选
|
|
5691 |
P731C Socks
|
0 / 0 |
普及
|
|
5676 |
P733F Drivers Dissatisfaction
|
0 / 0 |
省选
|
|
5652 |
P741B Arpa's weak amphitheater and Mehrdad's valuable Hoses
|
0 / 0 |
普及
|
|
5603 |
P750H New Year and Snowy Grid
|
0 / 0 |
CTSC
|
|
5592 |
P755C PolandBall and Forest
|
0 / 0 |
普及-
|
|
5554 |
P763A Timofey and a tree
|
0 / 0 |
普及
|
|
5550 |
P763E Timofey and our friends animals
|
0 / 0 |
CTSC
|
|
5544 |
P765D Artsem and Saunders
|
0 / 0 |
普及
|
|
5537 |
P766D Mahmoud and a Dictionary
|
0 / 0 |
提高
|
|
5515 |
P771A Bear and Friendship Condition
|
0 / 0 |
普及
|
|
5482 |
P776D The Door Problem
|
0 / 0 |
提高
|
|
5471 |
P778C Peterson Polyglot
|
0 / 0 |
NOI
|
|
5437 |
P788B Weird journey
|
0 / 0 |
提高
|
|
5334 |
P811E Vladik and Entertaining Flags
|
0 / 0 |
CTSC
|
|
5323 |
P813F Bipartite Checking
|
0 / 0 |
NOI
|
|
5307 |
P817D Imbalanced Array
|
0 / 0 |
普及
|
|
5208 |
P843A Sorting by Subsequences
|
0 / 0 |
普及-
|
|
5121 |
P859E Desk Disorder
|
0 / 0 |
提高
|
|
5074 |
P870E Points, Lines and Ready-made Titles
|
0 / 0 |
省选
|
|
5066 |
P873F Forbidden Indices
|
0 / 0 |
NOI
|
|
5064 |
P875B Sorting the Coins
|
0 / 0 |
普及
|
|
5060 |
P875F Royal Questions
|
0 / 0 |
NOI
|
|
5027 |
P884E Binary Matrix
|
0 / 0 |
NOI
|
|
5023 |
P886C Petya and Catacombs
|
0 / 0 |
普及-
|
|
5003 |
P891C Envy
|
0 / 0 |
省选
|
|
4978 |
P896E Welcome home, Chtholly
|
0 / 0 |
CTSC
|
|
4965 |
P899E Segments Removal
|
0 / 0 |
提高
|
|
4956 |
P901C Bipartite Segments
|
0 / 0 |
省选
|
|
4952 |
P902B Coloring a Tree
|
0 / 0 |
普及-
|
|
4887 |
P915F Imbalance Value of a Tree
|
0 / 0 |
NOI
|
|
4863 |
P920E Connected Components?
|
0 / 0 |
提高
|
|
4862 |
P920F SUM and REPLACE
|
0 / 0 |
提高
|
|
4767 |
P938G Shortest Path Queries
|
0 / 0 |
CTSC
|
|
4763 |
P939D Love Rescue
|
0 / 0 |
普及
|
|
4698 |
P959B Mahmoud and Ehab and the message
|
0 / 0 |
普及-
|
|
4672 |
P962G Visible Black Areas
|
0 / 0 |
CTSC
|
|
4642 |
P977E Cyclic Components
|
0 / 0 |
普及
|
|
4630 |
P979D Kuro and GCD and XOR and SUM
|
0 / 0 |
省选
|
|
4611 |
P982D Shark
|
0 / 0 |
普及
|
|
4592 |
P986C AND Graph
|
0 / 0 |
NOI
|
|
4568 |
P990G GCD Counting
|
0 / 0 |
NOI
|
|
4459 |
P1009F Dominant Indices
|
0 / 0 |
省选
|
|
4448 |
P1012B Chemical table
|
0 / 0 |
普及
|
|
4445 |
P1012E Cycle sort
|
0 / 0 |
CTSC
|
|
4407 |
P1023F Mobile Phone Network
|
0 / 0 |
CTSC
|
|
4393 |
P1027F Session in BSU
|
0 / 0 |
NOI
|
|
4322 |
P1039C Network Safety
|
0 / 0 |
省选
|
|
4306 |
P1042F Leaf Sets
|
0 / 0 |
NOI
|
|
4295 |
P1044D Deduction Queries
|
0 / 0 |
NOI
|
|
4271 |
P1051G Distinctification
|
0 / 0 |
CTSC
|
|
4260 |
P1055B Alice and Hairdresser
|
0 / 0 |
普及-
|
|
4142 |
P1081D Maximum Distance
|
0 / 0 |
普及
|
|
4054 |
P1095F Make It Connected
|
0 / 0 |
普及
|
|
3985 |
P1107G Vasya and Maximum Profit
|
0 / 0 |
NOI
|
|
3978 |
P1108F MST Unification
|
0 / 0 |
提高
|
|
3905 |
P1120D Power Tree
|
0 / 0 |
NOI
|
|
3891 |
P1130C Connect
|
0 / 0 |
普及-
|
|
3887 |
P1131D Gourmet choice
|
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
|
|
3854 |
P1139C Edgy Trees
|
0 / 0 |
普及
|
|
3845 |
P1140F Extending Set of Points
|
0 / 0 |
CTSC
|
|
3749 |
P1156D 0-1-Tree
|
0 / 0 |
省选
|
|
3748 |
P1156E Special Segments of Permutation
|
0 / 0 |
省选
|
|
3706 |
P1166F Vicky's Delivery Service
|
0 / 0 |
NOI
|
|
3703 |
P1167C News Distribution
|
0 / 0 |
普及-
|
|
3656 |
P1176E Cover it!
|
0 / 0 |
普及
|
|
3603 |
P1184E3 Daleks' Invasion (hard)
|
0 / 0 |
NOI
|
|
3465 |
P1209D Cow and Snacks
|
0 / 0 |
普及
|
|
3461 |
P1209G1 Into Blocks (easy version)
|
0 / 0 |
提高
|
|
3435 |
P1213F Unstable String Sort
|
0 / 0 |
提高
|
|
3434 |
P1213G Path Queries
|
0 / 0 |
普及
|
|
3407 |
P1217F Forced Online Queries Problem
|
0 / 0 |
CTSC
|
|
3391 |
P1220E Tourism
|
0 / 0 |
省选
|
|
3336 |
P1236E Alice and the Unfair Game
|
0 / 0 |
NOI
|
|
3310 |
P1242B 0-1 MST
|
0 / 0 |
普及
|
|
3293 |
P1245D Shichikuji and Power Grid
|
0 / 0 |
普及
|
|
3285 |
P1249B1 Books Exchange (easy version)
|
0 / 0 |
普及-
|
|
3284 |
P1249B2 Books Exchange (hard version)
|
0 / 0 |
普及-
|
|
3241 |
P1253D Harmonious Graph
|
0 / 0 |
普及
|
|
3239 |
P1253F Cheap Robot
|
0 / 0 |
NOI
|
|
3233 |
P1254E Send Tree to Charlie
|
0 / 0 |
CTSC
|
|
3206 |
P1263D Secret Passwords
|
0 / 0 |
普及
|
|
3144 |
P1276B Two Fairs
|
0 / 0 |
普及
|
|
3133 |
P1278D Segment Tree
|
0 / 0 |
提高
|
|
3074 |
P1290C Prefix Enlightenment
|
0 / 0 |
NOI
|
|
3067 |
P1292A NEKO's Maze Game
|
0 / 0 |
普及-
|
|
3003 |
P1303F Number of Components
|
0 / 0 |
CTSC
|
|
2988 |
P1305G Kuroni and Antihype
|
0 / 0 |
CTSC
|
|
2981 |
P1307F Cow and Vacation
|
0 / 0 |
CTSC
|
|
2878 |
P1332C K-Complete Word
|
0 / 0 |
普及
|
|
2854 |
P1335F Robots on a Grid
|
0 / 0 |
省选
|
|
2816 |
P1344B Monopole Magnets
|
0 / 0 |
提高
|
|
2705 |
P1361C Johnny and Megan's Necklace
|
0 / 0 |
NOI
|
|
2677 |
P1365D Solve The Maze
|
0 / 0 |
普及
|
|
2641 |
P1370D Odd-Even Subsequence
|
0 / 0 |
提高
|
|
2590 |
P1380E Merging Towers
|
0 / 0 |
省选
|
|
2579 |
P1383A String Transformation 1
|
0 / 0 |
普及
|
|
2564 |
P1385G Columns Swaps
|
0 / 0 |
省选
|