|
|
8791 |
P7C Line
|
0 / 0 |
普及
|
|
|
8776 |
P10C Digital Root
|
0 / 0 |
提高
|
|
|
8746 |
P16C Monitor
|
0 / 0 |
普及
|
|
|
8743 |
P17A Noldbach problem
|
0 / 0 |
普及-
|
|
|
8740 |
P17D Notepad
|
0 / 0 |
NOI
|
|
|
8701 |
P26A Almost Prime
|
0 / 0 |
普及-
|
|
|
8692 |
P27E Number With The Given Amount Of Divisors
|
0 / 0 |
提高
|
|
|
8586 |
P45G Prime Problem
|
0 / 0 |
省选
|
|
|
8530 |
P55D Beautiful numbers
|
0 / 0 |
NOI
|
|
|
8512 |
P59B Fortune Telling
|
0 / 0 |
普及-
|
|
|
8484 |
P64E Prime Segment
|
0 / 0 |
普及
|
|
|
8471 |
P66D Petya and His Friends
|
0 / 0 |
普及
|
|
|
8464 |
P68A Irrational problem
|
0 / 0 |
普及-
|
|
|
8447 |
P71C Round Table Knights
|
0 / 0 |
普及
|
|
|
8431 |
P73E Morrowindows
|
0 / 0 |
NOI
|
|
|
8427 |
P74C Chessboard Billiard
|
0 / 0 |
提高
|
|
|
8422 |
P75C Modified GCD
|
0 / 0 |
普及
|
|
|
8406 |
P78C Beaver Game
|
0 / 0 |
提高
|
|
|
8383 |
P83D Numbers
|
0 / 0 |
NOI
|
|
|
8381 |
P84A Toy Army
|
0 / 0 |
普及-
|
|
|
8344 |
P93E Lostborn
|
0 / 0 |
CTSC
|
|
|
8274 |
P111B Petya and Divisors
|
0 / 0 |
普及
|
|
|
8266 |
P113C Double Happiness
|
0 / 0 |
省选
|
|
|
8253 |
P117B Very Interesting Game
|
0 / 0 |
普及
|
|
|
8227 |
P121C Lucky Permutation
|
0 / 0 |
普及
|
|
|
8224 |
P122A Lucky Division
|
0 / 0 |
普及-
|
|
|
8222 |
P123A Prime Permutation
|
0 / 0 |
普及-
|
|
|
8172 |
P134B Pairs of Numbers
|
0 / 0 |
普及
|
|
|
8109 |
P150A Win or Freeze
|
0 / 0 |
普及-
|
|
|
8091 |
P154B Colliders
|
0 / 0 |
普及
|
|
|
8075 |
P158D Ice Sculptures
|
0 / 0 |
普及-
|
|
|
8014 |
P171F ucyhf
|
0 / 0 |
普及
|
|
|
8010 |
P172B Pseudorandom Sequence Period
|
0 / 0 |
普及-
|
|
|
8008 |
P172D Calendar Reform
|
0 / 0 |
普及
|
|
|
7985 |
P177B1 Rectangular Game
|
0 / 0 |
普及-
|
|
|
7984 |
P177B2 Rectangular Game
|
0 / 0 |
普及-
|
|
|
7954 |
P180B Divisibility Rules
|
0 / 0 |
省选
|
|
|
7934 |
P185D Visit of the Great
|
0 / 0 |
CTSC
|
|
|
7879 |
P199A Hexadecimal's theorem
|
0 / 0 |
普及-
|
|
|
7873 |
P200E Tractor College
|
0 / 0 |
NOI
|
|
|
7810 |
P215E Periodical Numbers
|
0 / 0 |
提高
|
|
|
7805 |
P216E Martian Luck
|
0 / 0 |
提高
|
|
|
7783 |
P222C Reducing Fractions
|
0 / 0 |
普及
|
|
|
7778 |
P223C Partial Sums
|
0 / 0 |
普及
|
|
|
7772 |
P225B Well-known Numbers
|
0 / 0 |
普及
|
|
|
7769 |
P225E Unsolvable
|
0 / 0 |
提高
|
|
|
7766 |
P226C Anniversary
|
0 / 0 |
NOI
|
|
|
7750 |
P230B T-primes
|
0 / 0 |
普及-
|
|
|
7701 |
P235A LCM Challenge
|
0 / 0 |
普及
|
|
|
7697 |
P235E Number Challenge
|
0 / 0 |
CTSC
|
|
|
7695 |
P236B Easy Number Challenge
|
0 / 0 |
普及-
|
|
|
7692 |
P237C Primes on Interval
|
0 / 0 |
普及
|
|
|
7647 |
P248B Chilly Willy
|
0 / 0 |
普及-
|
|
|
7634 |
P251C Number Transformation
|
0 / 0 |
提高
|
|
|
7582 |
P264B Good Sequences
|
0 / 0 |
普及
|
|
|
7571 |
P267A Subtractions
|
0 / 0 |
普及-
|
|
|
7555 |
P271B Prime Matrix
|
0 / 0 |
普及-
|
|
|
7552 |
P271E Three Horses
|
0 / 0 |
省选
|
|
|
7521 |
P279E Beautiful Decomposition
|
0 / 0 |
普及
|
|
|
7505 |
P283D Cows and Cool Sequences
|
0 / 0 |
NOI
|
|
|
7503 |
P284A Cows and Primitive Roots
|
0 / 0 |
普及-
|
|
|
7464 |
P293C Cube Problem
|
0 / 0 |
NOI
|
|
|
7459 |
P294C Shaass and Lights
|
0 / 0 |
普及
|
|
|
7458 |
P294D Shaass and Painter Robot
|
0 / 0 |
NOI
|
|
|
7442 |
P299A Ksusha and Array
|
0 / 0 |
普及-
|
|
|
7436 |
P300E Empire Strikes Back
|
0 / 0 |
省选
|
|
|
7426 |
P303C Minimum Modular
|
0 / 0 |
NOI
|
|
|
7425 |
P303D Rotatable Number
|
0 / 0 |
CTSC
|
|
|
7414 |
P306C White, Black and White Again
|
0 / 0 |
提高
|
|
|
7400 |
P313A Ilya and Bank Account
|
0 / 0 |
普及-
|
|
|
7295 |
P336C Vasily the Bear and Sequence
|
0 / 0 |
普及
|
|
|
7294 |
P336D Vasily the Bear and Beautiful Strings
|
0 / 0 |
提高
|
|
|
7291 |
P337B Routine Problem
|
0 / 0 |
普及-
|
|
|
7290 |
P337C Quiz
|
0 / 0 |
普及
|
|
|
7288 |
P337E Divisor Tree
|
0 / 0 |
省选
|
|
|
7287 |
P338D GCD Table
|
0 / 0 |
CTSC
|
|
|
7268 |
P343A Rational Resistance
|
0 / 0 |
普及
|
|
|
7254 |
P346A Alice and Bob
|
0 / 0 |
普及
|
|
|
7250 |
P346E Doodle Jump
|
0 / 0 |
CTSC
|
|
|
7246 |
P348B Apple Tree
|
0 / 0 |
提高
|
|
|
7226 |
P353C Find Maximum
|
0 / 0 |
普及
|
|
|
7221 |
P354C Vasya and Beautiful Arrays
|
0 / 0 |
提高
|
|
|
7202 |
P359C Prime Number
|
0 / 0 |
普及
|
|
|
7196 |
P360D Levko and Sets
|
0 / 0 |
CTSC
|
|
|
7193 |
P361B Levko and Permutation
|
0 / 0 |
普及-
|
|
|
7180 |
P364C Beautiful Set
|
0 / 0 |
省选
|
|
|
7152 |
P371B Fox Dividing Cheese
|
0 / 0 |
普及-
|
|
|
7136 |
P375A Divisible by Seven
|
0 / 0 |
普及
|
|
|
7094 |
P385C Bear and Prime Numbers
|
0 / 0 |
普及
|
|
|
7046 |
P396A On Number of Decompositions into Multipliers
|
0 / 0 |
暂无评定
|
|
|
7045 |
P396B On Sum of Fractions
|
0 / 0 |
暂无评定
|
|
|
7024 |
P401D Roman and Numbers
|
0 / 0 |
提高
|
|
|
7019 |
P402D Upgrading Array
|
0 / 0 |
普及
|
|
|
6974 |
P414A Mashmokh and Numbers
|
0 / 0 |
普及
|
|
|
6973 |
P414B Mashmokh and ACM
|
0 / 0 |
普及-
|
|
|
6890 |
P438E The Child and Binary Tree
|
0 / 0 |
CTSC
|
|
|
6887 |
P439C Devu and Partitioning of the Array
|
0 / 0 |
普及
|
|
|
6859 |
P446C DZY Loves Fibonacci Numbers
|
0 / 0 |
NOI
|
|
|
6850 |
P448E Divisors
|
0 / 0 |
省选
|
|
|
6847 |
P449C Jzzhu and Apples
|
0 / 0 |
NOI
|
