North KoreaRatings System Update
(2020-11-16 15:00:00)Ratings System Update
(2022-12-20 00:00:00)None
None
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Asteroids, Cyclist Race, Chef and Time Machine, Devu and Perfume
Sereja and Two Strings 2, Polygon & Circles, Chef And Hungry Birds, Palindromic substrings, Floor Distribution, Chef and Number Guessing, maximize the sum, Parity tree, Chef And Special Dishes, Tiptoe through the tulips
Cooking Schedule, Completing favorite game, Sum of distances, Path Triples On Tree, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bear and Cat Trap, (CH) Bear and Sorted Rows, Bandwidth of a matrix
Chef and Digits, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Hill Jumping, Palindromic Game, Greedy Candidates, Strings and Graphs
Rainbow Graph, Yet Another Card Game, Safe Robot
Bear and Xor of Sums, Bear and Shop Trip, Bear and Candies 123, Bear and AB
Bear and Haircut, Bear and Ladder, Bear and Species
Bear and Segments, Bear and Segment 01
Prefix Inversions
Panic! at the Disco, Chef and the Combination Lock, Selecting Edges, Red-Black Boolean Expression, Scalar Product Tree
Lucky Number, Maximum Number Of Distinct Elements
Chef at the Olympics, Longest AND Subarray, Digit Removal, MEX-OR, Yet another MEX problem, Characteristic Polynomial Verification, Hidden Points
Yet Another Flipping Problem 2, Queens Placement , Largest Laddu, Help Nishant
Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Maximise the bridges, Convex Hulk
Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, Min Manhattan Distance, Squares Counting
Sequence Master, Generating Cycles, Retrieve back the Array, Chef and Riffles
Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours
Random OR, Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent
Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome
Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees
Minimum Longest Substring, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU
Yet Another Mex Problem, Dazzling AXNODR Challenge , Bullets and Enemies, Min Max Equality, Pairwise Xors
Mystical Numbers, In The Green Zone, The Magical Stone, Alternating Diameter, Four Arrays
Subarray Weight, Subsequence-Numbers Divisible by 7, Not Tree Again!, Subarrays with length
Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD
Counting Is Fun, Gcd and Lcm , AP Grid, The Subarray XOR, Reversal Sorting
Maximize Difference, Concat Sort, Sum of Product 2, Similar Subsequence
Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation, Crazy Subsequences
A drawing game, Chef And Array Construction, Twos and Zeros, Binary Substituition
MaxEdges, Minimize swaps, Minimum BFS Length, Alice and the Array
Counting Subsequences, Not Divisible, Break into Powers, Sum of Cube , Divisible by A_i
Minimize the Maximum
Split Permutation, Trick Or Treat, Break The String, Tree Removal
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