|
9177 |
P1969C
Minimizing the Sum
|
0 / 0 |
(无) |
|
9176 |
P1969D
Shop Game
|
0 / 0 |
(无) |
|
9175 |
P1969E
Unique Array
|
0 / 0 |
(无) |
|
9174 |
P1969F
Card Pairing
|
0 / 0 |
(无) |
|
9239 |
P1970A1
Balanced Shuffle (Easy)
|
0 / 0 |
3 |
|
9238 |
P1970A2
Balanced Unshuffle (Medium)
|
0 / 0 |
9 |
|
9237 |
P1970A3
Balanced Unshuffle (Hard)
|
0 / 0 |
9 |
|
9236 |
P1970B1
Exact Neighbours (Easy)
|
0 / 0 |
6 |
|
9235 |
P1970B2
Exact Neighbours (Medium)
|
0 / 0 |
7 |
|
9234 |
P1970B3
Exact Neighbours (Hard)
|
0 / 0 |
8 |
|
9233 |
P1970C1
Game on Tree (Easy)
|
0 / 0 |
4 |
|
9232 |
P1970C2
Game on Tree (Medium)
|
0 / 0 |
5 |
|
9231 |
P1970C3
Game on Tree (Hard)
|
0 / 0 |
6 |
|
9230 |
P1970D1
Arithmancy (Easy)
|
0 / 0 |
7 |
|
9229 |
P1970D2
Arithmancy (Medium)
|
0 / 0 |
10 |
|
9228 |
P1970D3
Arithmancy (Hard)
|
0 / 0 |
10 |
|
9227 |
P1970E1
Trails (Easy)
|
0 / 0 |
6 |
|
9226 |
P1970E2
Trails (Medium)
|
0 / 0 |
7 |
|
9225 |
P1970E3
Trails (Hard)
|
0 / 0 |
8 |
|
9224 |
P1970F1
Playing Quidditch (Easy)
|
0 / 0 |
8 |
|
9223 |
P1970F2
Playing Quidditch (Medium)
|
0 / 0 |
8 |
|
9222 |
P1970F3
Playing Quidditch (Hard)
|
0 / 0 |
8 |
|
9221 |
P1970G1
Min-Fund Prison (Easy)
|
0 / 0 |
6 |
|
9220 |
P1970G2
Min-Fund Prison (Medium)
|
0 / 0 |
8 |
|
9219 |
P1970G3
Min-Fund Prison (Hard)
|
0 / 0 |
9 |
|
9218 |
P1971A
My First Sorting Problem
|
0 / 0 |
3 |
|
9217 |
P1971B
Different String
|
0 / 0 |
3 |
|
9216 |
P1971C
Clock and Strings
|
0 / 0 |
3 |
|
9215 |
P1971D
Binary Cut
|
0 / 0 |
3 |
|
9214 |
P1971E
Find the Car
|
0 / 0 |
5 |
|
9213 |
P1971F
Circle Perimeter
|
0 / 0 |
5 |
|
9212 |
P1971G
XOUR
|
0 / 0 |
4 |
|
9211 |
P1971H
±1
|
0 / 0 |
7 |
|
9173 |
P1972A
Contest Proposal
|
0 / 0 |
(无) |
|
9172 |
P1972B
Coin Games
|
0 / 0 |
(无) |
|
9349 |
P1975B
378QAQ and Mocha's Array
|
0 / 0 |
3 |
|
9348 |
P1975C
Chamo and Mocha's Array
|
0 / 0 |
4 |
|
9347 |
P1975D
Paint the Tree
|
0 / 0 |
5 |
|
9346 |
P1975E
Chain Queries
|
0 / 0 |
7 |
|
9345 |
P1975F
Set
|
0 / 0 |
10 |
|
9344 |
P1975G
Zimpha Fan Club
|
0 / 0 |
10 |
|
9343 |
P1975H
378QAQ and Core
|
0 / 0 |
10 |
|
9342 |
P1975I
Mind Bloom
|
0 / 0 |
10 |
|
9341 |
P1976A
Verify Password
|
0 / 0 |
3 |
|
9340 |
P1976B
Increase/Decrease/Copy
|
0 / 0 |
3 |
|
9339 |
P1976C
Job Interview
|
0 / 0 |
5 |
|
9338 |
P1976D
Invertible Bracket Sequences
|
0 / 0 |
7 |
|
9337 |
P1976E
Splittable Permutations
|
0 / 0 |
9 |
|
9336 |
P1976F
Remove Bridges
|
0 / 0 |
10 |
|
9335 |
P1977A
Little Nikita
|
0 / 0 |
3 |
|
9334 |
P1977B
Binary Colouring
|
0 / 0 |
3 |
|
9333 |
P1977C
Nikita and LCM
|
0 / 0 |
6 |
|
9332 |
P1977D
XORificator
|
0 / 0 |
8 |
|
9331 |
P1977E
Tensor
|
0 / 0 |
10 |
|
9330 |
P1978A
Alice and Books
|
0 / 0 |
3 |
|
9329 |
P1978B
New Bakery
|
0 / 0 |
3 |
|
9328 |
P1978C
Manhattan Permutations
|
0 / 0 |
4 |
|
9327 |
P1978D
Elections
|
0 / 0 |
5 |
|
9326 |
P1978E
Computing Machine
|
0 / 0 |
7 |
|
9325 |
P1978F
Large Graph
|
0 / 0 |
9 |
|
9324 |
P1979A
Guess the Maximum
|
0 / 0 |
3 |
|
9323 |
P1979B
XOR Sequences
|
0 / 0 |
3 |
|
9322 |
P1979C
Earning on Bets
|
0 / 0 |
4 |
|
9321 |
P1979D
Fixing a Binary String
|
0 / 0 |
6 |
|
9320 |
P1979E
Manhattan Triangle
|
0 / 0 |
9 |
|
9319 |
P1979F
Kostyanych's Theorem
|
0 / 0 |
10 |
|
9318 |
P1980A
Problem Generator
|
0 / 0 |
3 |
|
9317 |
P1980B
Choosing Cubes
|
0 / 0 |
3 |
|
9316 |
P1980C
Sofia and the Lost Operations
|
0 / 0 |
4 |
|
9315 |
P1980D
GCD-sequence
|
0 / 0 |
4 |
|
9314 |
P1980E
Permutation of Rows and Columns
|
0 / 0 |
5 |
|
9313 |
P1980F1
Field Division (easy version)
|
0 / 0 |
6 |
|
9312 |
P1980F2
Field Division (hard version)
|
0 / 0 |
9 |
|
9311 |
P1980G
Yasya and the Mysterious Tree
|
0 / 0 |
8 |
|
9310 |
P1981A
Turtle and Piggy Are Playing a Game
|
0 / 0 |
3 |
|
9309 |
P1981B
Turtle and an Infinite Sequence
|
0 / 0 |
4 |
|
9308 |
P1981C
Turtle and an Incomplete Sequence
|
0 / 0 |
6 |
|
9307 |
P1981D
Turtle and Multiplication
|
0 / 0 |
9 |
|
9306 |
P1981E
Turtle and Intersected Segments
|
0 / 0 |
10 |
|
9305 |
P1981F
Turtle and Paths on a Tree
|
0 / 0 |
10 |
|
9304 |
P1982A
Soccer
|
0 / 0 |
3 |
|
9303 |
P1982B
Collatz Conjecture
|
0 / 0 |
4 |
|
9302 |
P1982C
Boring Day
|
0 / 0 |
4 |
|
9301 |
P1982D
Beauty of the mountains
|
0 / 0 |
5 |
|
9300 |
P1982E
Number of k-good subarrays
|
0 / 0 |
8 |
|
9299 |
P1982F
Sorting Problem Again
|
0 / 0 |
10 |
|
9298 |
P1983A
Array Divisibility
|
0 / 0 |
(无) |
|
9297 |
P1983B
Corner Twist
|
0 / 0 |
(无) |
|
9296 |
P1983C
Have Your Cake and Eat It Too
|
0 / 0 |
(无) |
|
9295 |
P1983D
Swap Dilemma
|
0 / 0 |
(无) |
|
9294 |
P1983E
I Love Balls
|
0 / 0 |
(无) |
|
9293 |
P1983F
array-value
|
0 / 0 |
(无) |
|
9292 |
P1983G
Your Loss
|
0 / 0 |
(无) |
|
9291 |
P1984A
Strange Splitting
|
0 / 0 |
3 |
|
9290 |
P1984B
Large Addition
|
0 / 0 |
3 |
|
9289 |
P1984C1
Magnitude (Easy Version)
|
0 / 0 |
4 |
|
9288 |
P1984C2
Magnitude (Hard Version)
|
0 / 0 |
5 |
|
9287 |
P1984D
"a" String Problem
|
0 / 0 |
7 |
|
9286 |
P1984E
Shuffle
|
0 / 0 |
9 |
|
9285 |
P1984F
Reconstruction
|
0 / 0 |
9 |