|
|
7394 |
P9D How many trees?
|
0 / 0 |
(无) |
|
|
7363 |
P15E Triangles
|
0 / 0 |
(无) |
|
|
7313 |
P26C Parquet
|
0 / 0 |
(无) |
|
|
7312 |
P26D Tickets
|
0 / 0 |
(无) |
|
|
7303 |
P28C Bath Queue
|
0 / 0 |
(无) |
|
|
7257 |
P37D Lesson Timetable
|
0 / 0 |
(无) |
|
|
7232 |
P40E Number Table
|
0 / 0 |
(无) |
|
|
7208 |
P44I Toys
|
0 / 0 |
(无) |
|
|
7162 |
P51E Pentagon
|
0 / 0 |
(无) |
|
|
7159 |
P52B Right Triangles
|
0 / 0 |
(无) |
|
|
7135 |
P57C Array
|
0 / 0 |
(无) |
|
|
6967 |
P91C Ski Base
|
0 / 0 |
(无) |
|
|
6902 |
P107B Basketball Team
|
0 / 0 |
(无) |
|
|
6886 |
P111D Petya and Coloring
|
0 / 0 |
(无) |
|
|
6878 |
P113E Sleeping
|
0 / 0 |
(无) |
|
|
6841 |
P121C Lucky Permutation
|
0 / 0 |
(无) |
|
|
6834 |
P123C Brackets
|
0 / 0 |
(无) |
|
|
6830 |
P124B Permutations
|
0 / 0 |
(无) |
|
|
6815 |
P128C Games with Rectangle
|
0 / 0 |
(无) |
|
|
6798 |
P131C The World is a Theatre
|
0 / 0 |
(无) |
|
|
6780 |
P135E Weak Subsequence
|
0 / 0 |
(无) |
|
|
6761 |
P140E New Year Garland
|
0 / 0 |
(无) |
|
|
6740 |
P145C Lucky Subsequence
|
0 / 0 |
(无) |
|
|
6739 |
P145D Lucky Pair
|
0 / 0 |
(无) |
|
|
6722 |
P150B Quantity of Strings
|
0 / 0 |
(无) |
|
|
6714 |
P152C Pocket Book
|
0 / 0 |
(无) |
|
|
6697 |
P156C Cipher
|
0 / 0 |
(无) |
|
|
6696 |
P156D Clues
|
0 / 0 |
(无) |
|
|
6632 |
P171B Star
|
0 / 0 |
(无) |
|
|
6604 |
P176C Playing with Superglue
|
0 / 0 |
(无) |
|
|
6482 |
P201E Thoroughly Bureaucratic Organization
|
0 / 0 |
(无) |
|
|
6474 |
P204A Little Elephant and Interval
|
0 / 0 |
(无) |
|
|
6438 |
P212C Cowboys
|
0 / 0 |
(无) |
|
|
6434 |
P213B Numbers
|
0 / 0 |
(无) |
|
|
6424 |
P215E Periodical Numbers
|
0 / 0 |
(无) |
|
|
6415 |
P217D Bitonix' Patrol
|
0 / 0 |
(无) |
|
|
6392 |
P223C Partial Sums
|
0 / 0 |
(无) |
|
|
6368 |
P229C Triangles
|
0 / 0 |
(无) |
|
|
6366 |
P229E Gifts
|
0 / 0 |
(无) |
|
|
6357 |
P232B Table
|
0 / 0 |
(无) |
|
|
6339 |
P235E Number Challenge
|
0 / 0 |
(无) |
|
|
6278 |
P251A Points on Line
|
0 / 0 |
(无) |
|
|
6248 |
P258B Little Elephant and Elections
|
0 / 0 |
(无) |
|
|
6247 |
P258C Little Elephant and LCM
|
0 / 0 |
(无) |
|
|
6190 |
P272D Dima and Two Sequences
|
0 / 0 |
(无) |
|
|
6189 |
P272E Dima and Horses
|
0 / 0 |
(无) |
|
|
6146 |
P283E Cow Tennis Tournament
|
0 / 0 |
(无) |
|
|
6140 |
P285D Permutation Sum
|
0 / 0 |
(无) |
|
|
6139 |
P285E Positions in Permutations
|
0 / 0 |
(无) |
|
|
6130 |
P288B Polo the Penguin and Houses
|
0 / 0 |
(无) |
