|
|
5021 |
P886E Maximum Element
|
0 / 0 |
NOI
|
|
|
5010 |
P888D Almost Identity Permutations
|
0 / 0 |
普及
|
|
|
5001 |
P891E Lust
|
0 / 0 |
CTSC
|
|
|
4994 |
P893E Counting Arrays
|
0 / 0 |
提高
|
|
|
4991 |
P894B Ralph And His Magic Field
|
0 / 0 |
普及
|
|
|
4985 |
P895C Square Subsets
|
0 / 0 |
提高
|
|
|
4984 |
P895D String Mark
|
0 / 0 |
提高
|
|
|
4979 |
P896D Nephren Runs a Cinema
|
0 / 0 |
CTSC
|
|
|
4960 |
P900D Unusual Sequences
|
0 / 0 |
提高
|
|
|
4933 |
P908E New Year and Entity Enumeration
|
0 / 0 |
NOI
|
|
|
4898 |
P914C Travelling Salesman and Special Numbers
|
0 / 0 |
普及
|
|
|
4893 |
P914H Ember and Storm's Tree Game
|
0 / 0 |
CTSC
|
|
|
4878 |
P917C Pollywog
|
0 / 0 |
CTSC
|
|
|
4861 |
P920G List Of Integers
|
0 / 0 |
省选
|
|
|
4795 |
P932E Team Work
|
0 / 0 |
NOI
|
|
|
4789 |
P933D A Creative Cutout
|
0 / 0 |
CTSC
|
|
|
4769 |
P938E Max History
|
0 / 0 |
省选
|
|
|
4749 |
P946F Fibonacci String Subsequences
|
0 / 0 |
NOI
|
|
|
4724 |
P954H Path Counting
|
0 / 0 |
NOI
|
|
|
4689 |
P960E Alternating Tree
|
0 / 0 |
省选
|
|
|
4687 |
P960G Bandit Blues
|
0 / 0 |
CTSC
|
|
|
4679 |
P961G Partitions
|
0 / 0 |
CTSC
|
|
|
4636 |
P978E Bus Video System
|
0 / 0 |
普及-
|
|
|
4615 |
P981H K Paths
|
0 / 0 |
CTSC
|
|
|
4595 |
P985G Team Players
|
0 / 0 |
CTSC
|
|
|
4593 |
P986B Petr and Permutations
|
0 / 0 |
普及
|
|
|
4563 |
P991E Bus Number
|
0 / 0 |
普及
|
|
|
4543 |
P995F Cowmpany Cowmpensation
|
0 / 0 |
CTSC
|
|
|
4539 |
P997B Roman Digits
|
0 / 0 |
提高
|
|
|
4538 |
P997C Sky Full of Stars
|
0 / 0 |
NOI
|
|
|
4537 |
P997D Cycles in product
|
0 / 0 |
CTSC
|
|
|
4524 |
P1000D Yet Another Problem On a Subsequence
|
0 / 0 |
普及
|
|
|
4471 |
P1007A Reorder the Array
|
0 / 0 |
普及-
|
|
|
4470 |
P1007B Pave the Parallelepiped
|
0 / 0 |
NOI
|
|
|
4460 |
P1009E Intercity Travelling
|
0 / 0 |
提高
|
|
|
4394 |
P1027E Inverse Coloring
|
0 / 0 |
提高
|
|
|
4388 |
P1028D Order book
|
0 / 0 |
提高
|
|
|
4348 |
P1034C Region Separation
|
0 / 0 |
CTSC
|
|
|
4343 |
P1036C Classy Numbers
|
0 / 0 |
普及
|
|
|
4340 |
P1036F Relatively Prime Powers
|
0 / 0 |
NOI
|
|
|
4333 |
P1037F Maximum Reduction
|
0 / 0 |
NOI
|
|
|
4302 |
P1043D Mysterious Crime
|
0 / 0 |
普及
|
|
|
4300 |
P1043F Make It One
|
0 / 0 |
NOI
|
|
|
4233 |
P1060F Shrinking Tree
|
0 / 0 |
CTSC
|
|
|
4206 |
P1065E Side Transmutations
|
0 / 0 |
省选
|
|
|
4171 |
P1073E Segment Sum
|
0 / 0 |
省选
|
|
|
4143 |
P1081C Colorful Bricks
|
0 / 0 |
普及
|
|
|
4122 |
P1084C The Fair Nut and String
|
0 / 0 |
普及
|
|
|
4115 |
P1085G Beautiful Matrix
|
0 / 0 |
CTSC
|
|
|
4099 |
P1089I Interval-Free Permutations
|
0 / 0 |
CTSC
|
|
|
4078 |
P1091D New Year and the Permutation Concatenation
|
0 / 0 |
普及
|
|
|
4052 |
P1096B Substring Removal
|
0 / 0 |
普及-
|
|
|
4049 |
P1096E The Top Scorer
|
0 / 0 |
NOI
|
|
|
4041 |
P1097F Alex and a TV Show
|
0 / 0 |
NOI
|
|
|
4040 |
P1097G Vladislav and a Great Legend
|
0 / 0 |
CTSC
|
|
|
4011 |
P1102E Monotonic Renumeration
|
0 / 0 |
普及
|
|
|
4000 |
P1105C Ayoub and Lost Array
|
0 / 0 |
普及
|
|
|
3974 |
P1109D Sasha and Interesting Fact from Graph Theory
|
0 / 0 |
NOI
|
|
|
3960 |
P1111D Destroy the Colony
|
0 / 0 |
CTSC
|
|
|
3917 |
P1118F2 Tree Cutting (Hard Version)
|
0 / 0 |
CTSC
|
|
|
3846 |
P1140E Palindrome-less Arrays
|
0 / 0 |
省选
|
|
|
3780 |
P1151E Number of Components
|
0 / 0 |
提高
|
|
|
3779 |
P1151F Sonya and Informatics
|
0 / 0 |
省选
|
|
|
3766 |
P1153F Serval and Bonus Problem
|
0 / 0 |
CTSC
|
|
|
3711 |
P1166A Silent Classroom
|
0 / 0 |
普及-
|
|
|
3701 |
P1167E Range Deleting
|
0 / 0 |
提高
|
|
|
3700 |
P1167F Scalar Queries
|
0 / 0 |
省选
|
|
|
3681 |
P1172B Nauuo and Circle
|
0 / 0 |
普及
|
|
|
3669 |
P1174E Ehab and the Expected GCD Problem
|
0 / 0 |
NOI
|
|
|
3650 |
P1178C Tiles
|
0 / 0 |
普及-
|
|
|
3647 |
P1178F1 Short Colorful Strip
|
0 / 0 |
省选
|
|
|
3634 |
P1181C Flag
|
0 / 0 |
普及
|
|
|
3595 |
P1185G1 Playlist for Polycarp (easy version)
|
0 / 0 |
提高
|
|
|
3594 |
P1185G2 Playlist for Polycarp (hard version)
|
0 / 0 |
CTSC
|
|
|
3576 |
P1188E Problem from Red Panda
|
0 / 0 |
CTSC
|
|
|
3553 |
P1194F Crossword Expert
|
0 / 0 |
NOI
|
|
|
3548 |
P1195D1 Submarine in the Rybinsk Sea (easy edition)
|
0 / 0 |
普及
|
|
|
3547 |
P1195D2 Submarine in the Rybinsk Sea (hard edition)
|
0 / 0 |
普及
|
|
|
3533 |
P1197E Culture Code
|
0 / 0 |
省选
|
|
|
3508 |
P1202D Print a 1337-string...
|
0 / 0 |
普及
|
|
|
3492 |
P1204E Natasha, Sasha and the Prefix Sums
|
0 / 0 |
省选
|
|
|
3487 |
P1205E Expected Value Again
|
0 / 0 |
CTSC
|
|
|
3480 |
P1207D Number Of Permutations
|
0 / 0 |
普及
|
|
|
3424 |
P1215B The Number of Products
|
0 / 0 |
普及-
|
|
|
3382 |
P1221G Graph And Numbers
|
0 / 0 |
CTSC
|
|
|
3359 |
P1227F2 Wrong Answer on test 233 (Hard Version)
|
0 / 0 |
NOI
|
|
|
3353 |
P1228E Another Filling the Grid
|
0 / 0 |
省选
|
|
|
3339 |
P1236B Alice and the List of Presents
|
0 / 0 |
普及
|
|
|
3328 |
P1237F Balanced Domino Placements
|
0 / 0 |
CTSC
|
|
|
3322 |
P1238D AB-string
|
0 / 0 |
普及
|
|
|
3318 |
P1239A Ivan the Fool and the Probability Theory
|
0 / 0 |
普及
|
|
|
3291 |
P1245F Daniel and Spring Cleaning
|
0 / 0 |
省选
|
|
|
3257 |
P1251F Red-White Fence
|
0 / 0 |
NOI
|
|
|
3233 |
P1254E Send Tree to Charlie
|
0 / 0 |
CTSC
|
|
|
3200 |
P1264D1 Beautiful Bracket Sequence (easy version)
|
0 / 0 |
CTSC
|
|
|
3199 |
P1264D2 Beautiful Bracket Sequence (hard version)
|
0 / 0 |
CTSC
|
|
|
3175 |
P1267K Key Storage
|
0 / 0 |
提高
|
|
|
3153 |
P1271E Common Number
|
0 / 0 |
提高
|
|
|
3149 |
P1272C Yet Another Broken Keyboard
|
0 / 0 |
普及-
|
|
|
3144 |
P1276B Two Fairs
|
0 / 0 |
普及
|
