|
|
621 |
P1748B Diverse Substrings
|
0 / 0 |
普及-
|
|
|
620 |
P1748C Zero-Sum Prefixes
|
0 / 0 |
普及
|
|
|
616 |
P1749A Cowardly Rooks
|
0 / 0 |
普及-
|
|
|
614 |
P1749C Number Game
|
0 / 0 |
普及-
|
|
|
610 |
P1750A Indirect Sort
|
0 / 0 |
普及-
|
|
|
609 |
P1750B Maximum Substring
|
0 / 0 |
普及-
|
|
|
608 |
P1750C Complementary XOR
|
0 / 0 |
普及-
|
|
|
587 |
P1759A Yes-Yes?
|
0 / 0 |
普及-
|
|
|
580 |
P1760A Medium Number
|
0 / 0 |
普及-
|
|
|
579 |
P1760B Atilla's Favorite Problem
|
0 / 0 |
普及-
|
|
|
578 |
P1760C Advantage
|
0 / 0 |
普及-
|
|
|
577 |
P1760D Challenging Valleys
|
0 / 0 |
普及-
|
|
|
572 |
P1761B Elimination of a Ring
|
0 / 0 |
普及-
|
|
|
564 |
P1762B Make Array Good
|
0 / 0 |
普及-
|
|
|
557 |
P1763B Incinerate
|
0 / 0 |
普及-
|
|
|
555 |
P1763D Valid Bitonic Permutations
|
0 / 0 |
省选
|
|
|
535 |
P1765H Hospital Queue
|
0 / 0 |
省选
|
|
|
534 |
P1765I Infinite Chess
|
0 / 0 |
CTSC
|
|
|
531 |
P1765L Project Manager
|
0 / 0 |
NOI
|
|
|
528 |
P1766A Extremely Round
|
0 / 0 |
普及-
|
|
|
527 |
P1766B Notepad#
|
0 / 0 |
普及-
|
|
|
526 |
P1766C Hamiltonian Wall
|
0 / 0 |
普及-
|
|
|
522 |
P1767A Cut the Triangle
|
0 / 0 |
普及-
|
|
|
514 |
P1768C Elemental Decompress
|
0 / 0 |
普及-
|
|
|
507 |
P1770D Koxia and Game
|
0 / 0 |
提高
|
|
|
498 |
P1771E Hossam and a Letter
|
0 / 0 |
NOI
|
|
|
495 |
P1773B BinCoin
|
0 / 0 |
省选
|
|
|
421 |
P1773I Interactive Factorial Guessing
|
0 / 0 |
NOI
|
|
|
414 |
P1774D Same Count One
|
0 / 0 |
普及
|
|
|
412 |
P1774F1 Magician and Pigs (Easy Version)
|
0 / 0 |
NOI
|
|
|
411 |
P1774F2 Magician and Pigs (Hard Version)
|
0 / 0 |
CTSC
|
|
|
408 |
P1775A1 Gardener and the Capybaras (easy version)
|
1 / 1 |
普及-
|
|
|
403 |
P1775E The Human Equation
|
0 / 0 |
提高
|
|
|
381 |
P1778A Flip Flop Sum
|
0 / 0 |
普及-
|
|
|
359 |
P1781C Equal Frequencies
|
0 / 0 |
普及
|
|
|
357 |
P1781E Rectangle Shrinking
|
0 / 0 |
省选
|
|
|
349 |
P1783D Different Arrays
|
0 / 0 |
提高
|
|
|
346 |
P1783G Weighed Tree Radius
|
0 / 0 |
CTSC
|
|
|
339 |
P1786A1 Non-alternating Deck (easy version)
|
1 / 1 |
普及-
|
|
|
338 |
P1786A2 Alternating Deck (hard version)
|
1 / 1 |
普及-
|
|
|
333 |
P1787D Game on Axis
|
0 / 0 |
普及
|
|
|
331 |
P1787F Inverse Transformation
|
0 / 0 |
NOI
|
|
|
327 |
P1788A One and Two
|
0 / 0 |
普及-
|
|
|
326 |
P1788B Sum of Two Numbers
|
0 / 0 |
普及-
|
|
|
322 |
P1788F XOR, Tree, and Queries
|
0 / 0 |
NOI
|
|
|
320 |
P1789B Serval and Inversion Magic
|
0 / 0 |
普及-
|
|
|
319 |
P1789C Serval and Toxel's Arrays
|
0 / 0 |
普及
|
|
|
318 |
P1789D Serval and Shift-Shift-Shift
|
0 / 0 |
省选
|
|
|
317 |
P1789E Serval and Music Game
|
0 / 0 |
NOI
|
|
|
316 |
P1789F Serval and Brain Power
|
0 / 0 |
CTSC
|
|
|
315 |
P1790A Polycarp and the Day of Pi
|
0 / 0 |
普及-
|
|
|
313 |
P1790C Premutation
|
0 / 0 |
普及-
|
|
|
308 |
P1791A Codeforces Checking
|
0 / 0 |
普及-
|
|
|
307 |
P1791B Following Directions
|
0 / 0 |
普及-
|
|
|
306 |
P1791C Prepend and Append
|
0 / 0 |
普及-
|
|
|
290 |
P1793D Moscow Gorillas
|
0 / 0 |
普及
|
|
|
288 |
P1793F Rebrending
|
0 / 0 |
CTSC
|
|
|
283 |
P1794E Labeling the Tree with Distances
|
0 / 0 |
NOI
|
|
|
282 |
P1795A Two Towers
|
0 / 0 |
普及-
|
|
|
280 |
P1795C Tea Tasting
|
0 / 0 |
普及
|
|
|
275 |
P1796A Typical Interview Problem
|
0 / 0 |
普及-
|
|
|
274 |
P1796B Asterisk-Minor Template
|
0 / 0 |
普及-
|
|
|
269 |
P1797A Li Hua and Maze
|
0 / 0 |
普及-
|
|
|
266 |
P1797D Li Hua and Tree
|
0 / 0 |
普及
|
|
|
263 |
P1798A Showstopper
|
0 / 0 |
普及-
|
|
|
262 |
P1798B Three Sevens
|
0 / 0 |
普及-
|
|
|
257 |
P1799A Recent Actions
|
0 / 0 |
普及-
|
|
|
252 |
P1799E City Union
|
0 / 0 |
省选
|
|
|
248 |
P1800A Is It a Cat?
|
0 / 0 |
普及-
|
|
|
240 |
P1800G Symmetree
|
0 / 0 |
省选
|
|
|
232 |
P1802A Likes
|
0 / 0 |
普及-
|
|
|
231 |
P1802B Settlement of Guinea Pigs
|
0 / 0 |
普及-
|
|
|
229 |
P1804B Vaccination
|
0 / 0 |
普及-
|
|
|
227 |
P1804D Accommodation
|
0 / 0 |
提高
|
|
|
224 |
P1804G Flow Control
|
0 / 0 |
CTSC
|
|
|
217 |
P1805F1 Survival of the Weakest (easy version)
|
0 / 0 |
CTSC
|
|
|
208 |
P1807A Plus or Minus
|
0 / 0 |
普及-
|
|
|
206 |
P1807C Find and Replace
|
0 / 0 |
普及-
|
|
|
205 |
P1807D Odd Queries
|
0 / 0 |
普及-
|
|
|
204 |
P1807E Interview
|
0 / 0 |
普及-
|
|
|
203 |
P1807F Bouncy Ball
|
0 / 0 |
普及
|
|
|
202 |
P1807G1 Subsequence Addition (Easy Version)
|
0 / 0 |
普及-
|
|
|
201 |
P1807G2 Subsequence Addition (Hard Version)
|
0 / 0 |
普及-
|
|
|
200 |
P1808A Lucky Numbers
|
0 / 0 |
普及-
|
|
|
198 |
P1808C Unlucky Numbers
|
0 / 0 |
普及
|
|
|
193 |
P1809A Garland
|
0 / 0 |
普及-
|
|
|
189 |
P1809E Two Tanks
|
0 / 0 |
NOI
|
|
|
188 |
P1809F Traveling in Berland
|
0 / 0 |
NOI
|
|
|
177 |
P1811B Conveyor Belts
|
0 / 0 |
普及-
|
|
|
175 |
P1811D Umka and a Long Flight
|
0 / 0 |
普及
|
|
|
173 |
P1811F Is It Flower?
|
0 / 0 |
提高
|
|
|
7748 |
P1812B Was it Rated?
|
0 / 0 |
暂无评定
|
|
|
7743 |
P1812G Colour Vision
|
0 / 0 |
暂无评定
|
|
|
170 |
P1814A Coins
|
0 / 0 |
普及-
|
|
|
163 |
P1815B Sum Graph
|
0 / 0 |
提高
|
|
|
153 |
P1817D Toy Machine
|
0 / 0 |
CTSC
|
|
|
150 |
P1818A Politics
|
0 / 0 |
普及-
|
|
|
147 |
P1819B The Butcher
|
0 / 0 |
普及
|
|
|
146 |
P1819C The Fox and the Complete Tree Traversal
|
0 / 0 |
NOI
|
|
|
142 |
P1820A Yura's New Name
|
0 / 0 |
普及-
|
