|
|
4806 |
P930B Game with String
|
0 / 0 |
普及
|
|
|
4782 |
P935D Fafa and Ancient Alphabet
|
0 / 0 |
普及
|
|
|
4735 |
P952D I'm Feeling Lucky!
|
0 / 0 |
普及
|
|
|
4689 |
P960E Alternating Tree
|
0 / 0 |
省选
|
|
|
4575 |
P989E A Trance of Nightfall
|
0 / 0 |
CTSC
|
|
|
4460 |
P1009E Intercity Travelling
|
0 / 0 |
提高
|
|
|
4323 |
P1039B Subway Pursuit
|
0 / 0 |
提高
|
|
|
4307 |
P1042E Vasya and Magic Matrix
|
0 / 0 |
省选
|
|
|
4289 |
P1045D Interstellar battle
|
0 / 0 |
省选
|
|
|
4225 |
P1061F Lost Root
|
0 / 0 |
NOI
|
|
|
4194 |
P1067D Computer Game
|
0 / 0 |
CTSC
|
|
|
4139 |
P1081G Mergesort Strikes Back
|
0 / 0 |
CTSC
|
|
|
4049 |
P1096E The Top Scorer
|
0 / 0 |
NOI
|
|
|
4048 |
P1096F Inversion Expectation
|
0 / 0 |
省选
|
|
|
4043 |
P1097D Makoto and a Blackboard
|
0 / 0 |
省选
|
|
|
3952 |
P1114E Arithmetic Progression
|
0 / 0 |
省选
|
|
|
3853 |
P1139D Steps to One
|
0 / 0 |
省选
|
|
|
3793 |
P1148G Gold Experience
|
0 / 0 |
CTSC
|
|
|
3779 |
P1151F Sonya and Informatics
|
0 / 0 |
省选
|
|
|
3766 |
P1153F Serval and Bonus Problem
|
0 / 0 |
CTSC
|
|
|
3747 |
P1156F Card Bag
|
0 / 0 |
省选
|
|
|
3680 |
P1172C1 Nauuo and Pictures (easy version)
|
0 / 0 |
省选
|
|
|
3679 |
P1172C2 Nauuo and Pictures (hard version)
|
0 / 0 |
CTSC
|
|
|
3583 |
P1187F Expected Square Beauty
|
0 / 0 |
NOI
|
|
|
3567 |
P1190F Tokitsukaze and Powers
|
0 / 0 |
CTSC
|
|
|
3553 |
P1194F Crossword Expert
|
0 / 0 |
NOI
|
|
|
3526 |
P1198F GCD Groups 2
|
0 / 0 |
CTSC
|
|
|
3453 |
P1210F1 Marek and Matching (easy version)
|
0 / 0 |
CTSC
|
|
|
3452 |
P1210F2 Marek and Matching (hard version)
|
0 / 0 |
CTSC
|
|
|
3335 |
P1236F Alice and the Cactus
|
0 / 0 |
CTSC
|
|
|
3292 |
P1245E Hyakugoku and Ladders
|
0 / 0 |
省选
|
|
|
3234 |
P1254D Tree Queries
|
0 / 0 |
CTSC
|
|
|
3201 |
P1264C Beautiful Mirrors with queries
|
0 / 0 |
NOI
|
|
|
3200 |
P1264D1 Beautiful Bracket Sequence (easy version)
|
0 / 0 |
CTSC
|
|
|
3199 |
P1264D2 Beautiful Bracket Sequence (hard version)
|
0 / 0 |
CTSC
|
|
|
3194 |
P1265E Beautiful Mirrors
|
0 / 0 |
提高
|
|
|
3179 |
P1267G Game Relics
|
0 / 0 |
CTSC
|
|
|
3131 |
P1278F Cards
|
0 / 0 |
CTSC
|
|
|
3127 |
P1279D Santa's Bot
|
0 / 0 |
普及
|
|
|
3087 |
P1286D LCC
|
0 / 0 |
CTSC
|
|
|
3048 |
P1295F Good Contest
|
0 / 0 |
CTSC
|
|
|
2989 |
P1305F Kuroni and the Punishment
|
0 / 0 |
NOI
|
|
|
2976 |
P1310D Tourism
|
0 / 0 |
省选
|
|
|
2946 |
P1316F Battalion Strength
|
0 / 0 |
CTSC
|
|
|
2833 |
P1340E Nastya and Bees
|
0 / 0 |
CTSC
|
|
|
2791 |
P1349D Slime and Biscuits
|
0 / 0 |
CTSC
|
|
|
2762 |
P1354G Find a Gift
|
0 / 0 |
CTSC
|
|
|
2703 |
P1361E James and the Chase
|
0 / 0 |
CTSC
|
|
|
2681 |
P1364E X-OR
|
0 / 0 |
CTSC
|
|
|
2588 |
P1380G Circular Dungeon
|
0 / 0 |
CTSC
|
|
|
2532 |
P1392H ZS Shuffles Cards
|
0 / 0 |
CTSC
|
|
|
2413 |
P1418E Expected Damage
|
0 / 0 |
NOI
|
|
|
2296 |
P1438F Olha and Igor
|
0 / 0 |
CTSC
|
|
|
2234 |
P1453D Checkpoints
|
0 / 0 |
普及
|
|
|
2231 |
P1454A Special Permutation
|
0 / 0 |
普及-
|
|
|
2211 |
P1459A Red-Blue Shuffle
|
0 / 0 |
普及-
|
|
|
2207 |
P1461C Random Events
|
0 / 0 |
普及
|
|
|
2108 |
P1477F Nezzar and Chocolate Bars
|
0 / 0 |
CTSC
|
|
|
2100 |
P1479D Odd Mineral Resource
|
0 / 0 |
CTSC
|
|
|
2099 |
P1479E School Clubs
|
0 / 0 |
CTSC
|
|
|
1942 |
P1510I Is It Rated?
|
0 / 0 |
CTSC
|
|
|
1870 |
P1523D Love-Hate
|
0 / 0 |
NOI
|
|
|
1869 |
P1523E Crypto Lights
|
0 / 0 |
CTSC
|
|
|
1861 |
P1525E Assimilation IV
|
0 / 0 |
提高
|
|
|
1853 |
P1526F Median Queries
|
0 / 0 |
CTSC
|
|
|
1827 |
P1530F Bingo
|
0 / 0 |
CTSC
|
|
|
1766 |
P1540B Tree Array
|
0 / 0 |
省选
|
|
|
1751 |
P1543C Need for Pink Slips
|
0 / 0 |
普及
|
|
|
1675 |
P1556F Sports Betting
|
0 / 0 |
NOI
|
|
|
1673 |
P1556H DIY Tree
|
0 / 0 |
CTSC
|
|
|
1639 |
P1562F Tubular Bells
|
0 / 0 |
CTSC
|
|
|
1610 |
P1571H Laser Beams
|
0 / 0 |
CTSC
|
|
|
1573 |
P1578G Game of Chance
|
0 / 0 |
CTSC
|
|
|
1567 |
P1578M The Mind
|
0 / 0 |
CTSC
|
|
|
1487 |
P1599C Bubble Strike
|
0 / 0 |
提高
|
|
|
1478 |
P1600F Party Organization
|
0 / 0 |
省选
|
|
|
1404 |
P1612E Messages
|
0 / 0 |
提高
|
|
|
1327 |
P1623D Robot Cleaner Revisit
|
0 / 0 |
省选
|
|
|
1307 |
P1626F A Random Code Problem
|
0 / 0 |
CTSC
|
|
|
1287 |
P1630E Expected Components
|
0 / 0 |
CTSC
|
|
|
866 |
P1705F Mark and the Online Exam
|
0 / 0 |
CTSC
|
|
|
828 |
P1713D Tournament Countdown
|
0 / 0 |
普及
|
|
|
755 |
P1726D Edge Split
|
0 / 0 |
提高
|
|
|
739 |
P1729E Guess the Cycle Size
|
0 / 0 |
普及
|
|
|
689 |
P1737E Ela Goes Hiking
|
0 / 0 |
NOI
|
|
|
646 |
P1743D Problem with Random Tests
|
0 / 0 |
普及
|
|
|
644 |
P1743F Intersection and Union
|
0 / 0 |
省选
|
|
|
629 |
P1746F Kazaee
|
0 / 0 |
CTSC
|
|
|
599 |
P1753C Wish I Knew How to Sort
|
0 / 0 |
提高
|
|
|
566 |
P1761G Centroid Guess
|
0 / 0 |
CTSC
|
|
|
540 |
P1765C Card Guessing
|
0 / 0 |
CTSC
|
|
|
537 |
P1765F Chemistry Lab
|
0 / 0 |
省选
|
|
|
536 |
P1765G Guess the String
|
0 / 0 |
CTSC
|
|
|
506 |
P1770E Koxia and Tree
|
0 / 0 |
NOI
|
|
|
497 |
P1771F Hossam and Range Minimum Query
|
0 / 0 |
NOI
|
|
|
496 |
P1773A Amazing Trick
|
0 / 0 |
普及
|
|
|
495 |
P1773B BinCoin
|
0 / 0 |
省选
|
|
|
423 |
P1773G Game of Questions
|
0 / 0 |
CTSC
|
|
|
384 |
P1777D Score of a Tree
|
0 / 0 |
普及
|
|
|
378 |
P1778D Flexible String Revisit
|
0 / 0 |
提高
|
