|
|
8780 |
P9D How many trees?
|
0 / 0 |
普及
|
|
|
8749 |
P15E Triangles
|
0 / 0 |
CTSC
|
|
|
8699 |
P26C Parquet
|
0 / 0 |
提高
|
|
|
8698 |
P26D Tickets
|
0 / 0 |
NOI
|
|
|
8689 |
P28C Bath Queue
|
0 / 0 |
省选
|
|
|
8643 |
P37D Lesson Timetable
|
0 / 0 |
省选
|
|
|
8618 |
P40E Number Table
|
0 / 0 |
NOI
|
|
|
8594 |
P44I Toys
|
0 / 0 |
省选
|
|
|
8548 |
P51E Pentagon
|
0 / 0 |
NOI
|
|
|
8545 |
P52B Right Triangles
|
0 / 0 |
普及
|
|
|
8521 |
P57C Array
|
0 / 0 |
普及
|
|
|
8353 |
P91C Ski Base
|
0 / 0 |
省选
|
|
|
8288 |
P107B Basketball Team
|
0 / 0 |
普及
|
|
|
8272 |
P111D Petya and Coloring
|
0 / 0 |
省选
|
|
|
8264 |
P113E Sleeping
|
0 / 0 |
CTSC
|
|
|
8227 |
P121C Lucky Permutation
|
0 / 0 |
普及
|
|
|
8220 |
P123C Brackets
|
0 / 0 |
省选
|
|
|
8216 |
P124B Permutations
|
0 / 0 |
普及-
|
|
|
8201 |
P128C Games with Rectangle
|
0 / 0 |
提高
|
|
|
8184 |
P131C The World is a Theatre
|
0 / 0 |
普及-
|
|
|
8166 |
P135E Weak Subsequence
|
0 / 0 |
CTSC
|
|
|
8147 |
P140E New Year Garland
|
0 / 0 |
CTSC
|
|
|
8126 |
P145C Lucky Subsequence
|
0 / 0 |
提高
|
|
|
8125 |
P145D Lucky Pair
|
0 / 0 |
CTSC
|
|
|
8108 |
P150B Quantity of Strings
|
0 / 0 |
普及
|
|
|
8100 |
P152C Pocket Book
|
0 / 0 |
普及-
|
|
|
8083 |
P156C Cipher
|
0 / 0 |
提高
|
|
|
8082 |
P156D Clues
|
0 / 0 |
NOI
|
|
|
8018 |
P171B Star
|
0 / 0 |
普及-
|
|
|
7990 |
P176C Playing with Superglue
|
0 / 0 |
提高
|
|
|
7868 |
P201E Thoroughly Bureaucratic Organization
|
0 / 0 |
CTSC
|
|
|
7860 |
P204A Little Elephant and Interval
|
0 / 0 |
普及
|
|
|
7824 |
P212C Cowboys
|
0 / 0 |
提高
|
|
|
7820 |
P213B Numbers
|
0 / 0 |
普及
|
|
|
7810 |
P215E Periodical Numbers
|
0 / 0 |
提高
|
|
|
7801 |
P217D Bitonix' Patrol
|
0 / 0 |
CTSC
|
|
|
7778 |
P223C Partial Sums
|
0 / 0 |
普及
|
|
|
7754 |
P229C Triangles
|
0 / 0 |
普及
|
|
|
7752 |
P229E Gifts
|
0 / 0 |
CTSC
|
|
|
7715 |
P232B Table
|
0 / 0 |
普及
|
|
|
7697 |
P235E Number Challenge
|
0 / 0 |
CTSC
|
|
|
7636 |
P251A Points on Line
|
0 / 0 |
普及-
|
|
|
7606 |
P258B Little Elephant and Elections
|
0 / 0 |
普及
|
|
|
7605 |
P258C Little Elephant and LCM
|
0 / 0 |
提高
|
|
|
7548 |
P272D Dima and Two Sequences
|
0 / 0 |
普及
|
|
|
7547 |
P272E Dima and Horses
|
0 / 0 |
省选
|
|
|
7504 |
P283E Cow Tennis Tournament
|
0 / 0 |
CTSC
|
|
|
7498 |
P285D Permutation Sum
|
0 / 0 |
普及
|
|
|
7497 |
P285E Positions in Permutations
|
0 / 0 |
CTSC
|
|
|
7488 |
P288B Polo the Penguin and Houses
|
0 / 0 |
普及
|
|
|
7486 |
P288D Polo the Penguin and Trees
|
0 / 0 |
NOI
|
|
|
7465 |
P293B Distinct Paths
|
0 / 0 |
CTSC
|
|
|
7459 |
P294C Shaass and Lights
|
0 / 0 |
普及
|
|
|
7454 |
P295C Greg and Friends
|
0 / 0 |
提高
|
|
|
7453 |
P295D Greg and Caves
|
0 / 0 |
NOI
|
|
|
7450 |
P296B Yaroslav and Two Strings
|
0 / 0 |
提高
|
|
|
7438 |
P300C Beautiful Numbers
|
0 / 0 |
普及
|
|
|
7418 |
P305D Olya and Graph
|
0 / 0 |
省选
|
|
|
7414 |
P306C White, Black and White Again
|
0 / 0 |
提高
|
|
|
7363 |
P319A Malek Dance Club
|
0 / 0 |
普及
|
|
|
7350 |
P322B Ciel and Flowers
|
0 / 0 |
普及
|
|
|
7349 |
P323A Black-and-White Cube
|
0 / 0 |
普及
|
|
|
7342 |
P325E The Red Button
|
0 / 0 |
CTSC
|
|
|
7339 |
P327C Magic Five
|
0 / 0 |
普及
|
|
|
7337 |
P327E Axis Walking
|
0 / 0 |
省选
|
|
|
7294 |
P336D Vasily the Bear and Beautiful Strings
|
0 / 0 |
提高
|
|
|
7293 |
P336E Vasily the Bear and Painting Square
|
0 / 0 |
CTSC
|
|
|
7278 |
P340C Tourist Problem
|
0 / 0 |
普及
|
|
|
7276 |
P340E Iahub and Permutations
|
0 / 0 |
提高
|
|
|
7234 |
P351B Jeff and Furik
|
0 / 0 |
普及
|
|
|
7227 |
P353B Two Heaps
|
0 / 0 |
普及
|
|
|
7214 |
P356C Compartments
|
0 / 0 |
提高
|
|
|
7197 |
P360C Levko and Strings
|
0 / 0 |
NOI
|
|
|
7182 |
P364A Matrix
|
0 / 0 |
普及
|
|
|
7166 |
P367E Sereja and Intervals
|
0 / 0 |
CTSC
|
|
|
7144 |
P372E Drawing Circles is Fun
|
0 / 0 |
CTSC
|
|
|
7140 |
P374B Inna and Nine
|
0 / 0 |
普及
|
|
|
7112 |
P380D Sereja and Cinema
|
0 / 0 |
NOI
|
|
|
7104 |
P382E Ksenia and Combinatorics
|
0 / 0 |
CTSC
|
|
|
7099 |
P383E Vowels
|
0 / 0 |
CTSC
|
|
|
7056 |
P392C Yet Another Number Sequence
|
0 / 0 |
暂无评定
|
|
|
7046 |
P396A On Number of Decompositions into Multipliers
|
0 / 0 |
暂无评定
|
|
|
7043 |
P396D On Sum of Number of Inversions in Permutations
|
0 / 0 |
暂无评定
|
|
|
7024 |
P401D Roman and Numbers
|
0 / 0 |
提高
|
|
|
7017 |
P403D Beautiful Pairs of Numbers
|
0 / 0 |
省选
|
|
|
7001 |
P407C Curious Array
|
0 / 0 |
NOI
|
|
|
6973 |
P414B Mashmokh and ACM
|
0 / 0 |
普及-
|
|
|
6972 |
P414C Mashmokh and Reverse Operation
|
0 / 0 |
提高
|
|
|
6921 |
P431D Random Task
|
0 / 0 |
提高
|
|
|
6890 |
P438E The Child and Binary Tree
|
0 / 0 |
CTSC
|
|
|
6885 |
P439E Devu and Birthday Celebration
|
0 / 0 |
提高
|
|
|
6846 |
P449D Jzzhu and Numbers
|
0 / 0 |
NOI
|
|
|
6838 |
P451E Devu and Flowers
|
1 / 1 |
省选
|
|
|
6835 |
P452C Magic Trick
|
0 / 0 |
提高
|
|
|
6814 |
P457D Bingo!
|
0 / 0 |
CTSC
|
|
|
6810 |
P459B Pashmak and Flowers
|
0 / 0 |
普及-
|
|
|
6809 |
P459C Pashmak and Buses
|
0 / 0 |
普及
|
|
|
6779 |
P466D Increase Sequence
|
0 / 0 |
提高
|
|
|
6732 |
P476B Dreamoon and WiFi
|
0 / 0 |
普及-
|
|
|
6725 |
P478B Random Teams
|
0 / 0 |
普及-
|
