|
|
6480 |
P542C Idempotent functions
|
0 / 0 |
提高
|
|
|
6478 |
P542E Playing on Graph
|
0 / 0 |
CTSC
|
|
|
6475 |
P543B Destroying Roads
|
0 / 0 |
提高
|
|
|
6465 |
P545E Paths and Trees
|
0 / 0 |
提高
|
|
|
6460 |
P546E Soldier and Traveling
|
0 / 0 |
提高
|
|
|
6456 |
P547D Mike and Fish
|
0 / 0 |
CTSC
|
|
|
6451 |
P549B Looksery Party
|
0 / 0 |
省选
|
|
|
6441 |
P550D Regular Bridge
|
0 / 0 |
普及
|
|
|
6427 |
P553C Love Triangles
|
0 / 0 |
省选
|
|
|
6426 |
P553D Nudist Beach
|
0 / 0 |
省选
|
|
|
6425 |
P553E Kyoya and Train
|
0 / 0 |
CTSC
|
|
|
6418 |
P555E Case of Computer Network
|
0 / 0 |
CTSC
|
|
|
6412 |
P557D Vitaly and Cycle
|
0 / 0 |
提高
|
|
|
6411 |
P557E Ann and Half-Palindrome
|
0 / 0 |
省选
|
|
|
6408 |
P558C Amr and Chemistry
|
0 / 0 |
普及
|
|
|
6387 |
P567E President and Roads
|
0 / 0 |
省选
|
|
|
6375 |
P570D Tree Requests
|
0 / 0 |
省选
|
|
|
6371 |
P571C CNF 2
|
0 / 0 |
NOI
|
|
|
6360 |
P574B Bear and Three Musketeers
|
0 / 0 |
普及
|
|
|
6358 |
P575B Bribes
|
0 / 0 |
省选
|
|
|
6333 |
P580C Kefa and Park
|
0 / 0 |
普及
|
|
|
6311 |
P585B Phillip and Trains
|
0 / 0 |
普及
|
|
|
6294 |
P590C Three States
|
0 / 0 |
省选
|
|
|
6286 |
P592D Super M
|
0 / 0 |
省选
|
|
|
6281 |
P593D Happy Tree Party
|
0 / 0 |
NOI
|
|
|
6268 |
P596E Wilbur and Strings
|
0 / 0 |
NOI
|
|
|
6261 |
P598D Igor In the Museum
|
0 / 0 |
普及
|
|
|
6248 |
P600F Edge coloring of bipartite graph
|
0 / 0 |
CTSC
|
|
|
6247 |
P601A The Two Routes
|
0 / 0 |
普及
|
|
|
6232 |
P605B Lazy Student
|
0 / 0 |
普及
|
|
|
6215 |
P609E Minimum spanning tree for each edge
|
0 / 0 |
提高
|
|
|
6201 |
P611H New Year and Forgotten Tree
|
0 / 0 |
CTSC
|
|
|
6196 |
P612E Square Root of Permutation
|
0 / 0 |
省选
|
|
|
6191 |
P613D Kingdom and its Cities
|
0 / 0 |
CTSC
|
|
|
6186 |
P615B Longtail Hedgehog
|
0 / 0 |
普及
|
|
|
6147 |
P623A Graph and String
|
0 / 0 |
普及
|
|
|
6125 |
P627D Preorder Test
|
0 / 0 |
CTSC
|
|
|
6123 |
P627F Island Puzzle
|
0 / 0 |
CTSC
|
|
|
6117 |
P628F Bear and Fair Set
|
0 / 0 |
NOI
|
|
|
6083 |
P632F Magic Matrix
|
0 / 0 |
NOI
|
|
|
6077 |
P633F The Chocolate Spree
|
0 / 0 |
CTSC
|
|
|
6066 |
P638C Road Improvement
|
0 / 0 |
普及
|
|
|
6065 |
P638D Three-dimensional Turtle Super Computer
|
0 / 0 |
普及
|
|
|
6063 |
P639B Bear and Forgotten Tree 3
|
0 / 0 |
普及
|
|
|
6059 |
P639F Bear and Chemistry
|
0 / 0 |
CTSC
|
|
|
6050 |
P643B Bear and Two Paths
|
0 / 0 |
普及
|
|
|
6038 |
P645D Robot Rapping Results Report
|
0 / 0 |
普及
|
|
|
6032 |
P650C Table Compression
|
0 / 0 |
省选
|
|
|
6023 |
P652E Pursuit For Artifacts
|
0 / 0 |
省选
|
|
|
6018 |
P653D Delivery Bears
|
0 / 0 |
省选
|
|
|
6017 |
P653E Bear and Forgotten Tree 2
|
0 / 0 |
NOI
|
|
|
6002 |
P659E New Reform
|
0 / 0 |
普及
|
|
|
6001 |
P659F Polycarp and Hay
|
0 / 0 |
提高
|
|
|
5984 |
P662B Graph Coloring
|
0 / 0 |
省选
|
|
|
5971 |
P666B World Tour
|
0 / 0 |
提高
|
|
|
5940 |
P676D Theseus and labyrinth
|
0 / 0 |
提高
|
|
|
5935 |
P677D Vanya and Treasure
|
0 / 0 |
省选
|
|
|
5924 |
P679D Bear and Chase
|
0 / 0 |
CTSC
|
|
|
5917 |
P681D Gifts by the List
|
0 / 0 |
提高
|
|
|
5913 |
P682C Alyona and the Tree
|
0 / 0 |
普及
|
|
|
5896 |
P685E Travelling Through the Snow Queen's Kingdom
|
0 / 0 |
CTSC
|
|
|
5893 |
P687A NP-Hard Problem
|
0 / 0 |
普及
|
|
|
5890 |
P687D Dividing Kingdom II
|
0 / 0 |
NOI
|
|
|
5889 |
P687E TOF
|
0 / 0 |
CTSC
|
|
|
5885 |
P689B Mike and Shortcuts
|
0 / 0 |
普及
|
|
|
5874 |
P690C2 Brain Network (medium)
|
0 / 0 |
普及
|
|
|
5849 |
P698B Fix a Tree
|
0 / 0 |
普及
|
|
|
5841 |
P700B Connecting Universities
|
0 / 0 |
普及
|
|
|
5840 |
P700C Break Up
|
0 / 0 |
CTSC
|
|
|
5830 |
P702E Analysis of Pathes in Functional Graph
|
0 / 0 |
提高
|
|
|
5822 |
P704B Ant Man
|
0 / 0 |
NOI
|
|
|
5821 |
P704C Black Widow
|
0 / 0 |
CTSC
|
|
|
5810 |
P707B Bakery
|
0 / 0 |
普及-
|
|
|
5804 |
P708C Centroids
|
0 / 0 |
省选
|
|
|
5790 |
P711D Directed Roads
|
0 / 0 |
普及
|
|
|
5775 |
P715B Complete The Graph
|
0 / 0 |
省选
|
|
|
5772 |
P715E Complete the Permutations
|
0 / 0 |
CTSC
|
|
|
5757 |
P718E Matvey's Birthday
|
0 / 0 |
CTSC
|
|
|
5746 |
P721C Journey
|
0 / 0 |
普及
|
|
|
5734 |
P723D Lakes in Berland
|
0 / 0 |
普及
|
|
|
5733 |
P723E One-Way Reform
|
0 / 0 |
省选
|
|
|
5732 |
P723F st-Spanning Tree
|
0 / 0 |
省选
|
|
|
5725 |
P724G Xor-matic Number of the Graph
|
0 / 0 |
CTSC
|
|
|
5707 |
P729E Subordinates
|
0 / 0 |
普及
|
|
|
5697 |
P730I Olympiad in Programming and Sports
|
0 / 0 |
提高
|
|
|
5695 |
P730K Roads Orientation Problem
|
0 / 0 |
CTSC
|
|
|
5691 |
P731C Socks
|
0 / 0 |
普及
|
|
|
5682 |
P732F Tourist Reform
|
0 / 0 |
省选
|
|
|
5676 |
P733F Drivers Dissatisfaction
|
0 / 0 |
省选
|
|
|
5662 |
P737E Tanya is 5!
|
0 / 0 |
CTSC
|
|
|
5659 |
P739B Alyona and a tree
|
0 / 0 |
普及
|
|
|
5651 |
P741C Arpa’s overnight party and Mehrdad’s silent entering
|
0 / 0 |
CTSC
|
|
|
5643 |
P743D Chloe and pleasant prizes
|
0 / 0 |
普及
|
|
|
5641 |
P744A Hongcow Builds A Nation
|
0 / 0 |
普及
|
|
|
5628 |
P746G New Roads
|
0 / 0 |
提高
|
|
|
5616 |
P748F Santa Clauses and a Soccer Championship
|
0 / 0 |
省选
|
|
|
5603 |
P750H New Year and Snowy Grid
|
0 / 0 |
CTSC
|
|
|
5594 |
P755A PolandBall and Hypothesis
|
0 / 0 |
普及-
|
|
|
5592 |
P755C PolandBall and Forest
|
0 / 0 |
普及-
|
|
|
5590 |
P755E PolandBall and White-Red graph
|
0 / 0 |
NOI
|
