Roushan Kumar Singh
- roushan_17
India- Student
- National Institute of Technology Raipur Chhattisgarh, India
- No Active Plan. View Details
Activity Heat Map
Learning Paths (0)
Practice Paths (3)
Contests (51)
July Challenge 2017
Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
August Lunchtime 2017
Mathison and pangrams
September Lunchtime 2017
Chef and Cook-Off Contests
January Challenge 2018
Maximum Score, Rectangle
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
April Lunchtime 2018 Division 2
Two vs Ten
April Challenge 2018 Division 2
Workers
May Challenge 2018 Division 2
Minimum Deletions, Xor Again
June Challenge 2018 Division 2
Vision, Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Modular GCD, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves, Byte to Bit
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid
LoC April 2018 (Rated for Division 2)
Cricket Score
Quick Code (Rated for Division 2)
Immortal Frieza
Encoder (Rated for Division 2)
Knight Chess, Second Largest Element, Paint the Wall
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 1
Chef and Maximum Star Value, Array Modification
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
September Challenge 2020 Division 2
A Problem on Sticks, Find XOR, Ada Matrix
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
January Challenge 2021 Division 2
Chef and Ants, Fair Elections
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Multiple Games, XOR Sums, Maximise Function
February Lunchtime 2021 Division 2
Palpal Strings, Coprime Range
March Challenge 2021 Division 2
Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Wireless Electricity (Challenge), Locked Safe, Maximum Topological Sort
March CodeChef Starters 2021 Division 2 (Unrated)
College Life 5, Nobel Prize, Possible Victory
April Challenge 2021 Division 2
Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game
April Cook-Off 2021 Division 1
OR of ANDs
April Lunchtime 2021 Division 2
Chef in Heaven , Bench Press, Array Rotation
May Challenge 2021 Division 2 (Rated)
Valid Paths, Tree House, An Interesting Sequence, King Killing, Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility
June Challenge 2021 Division 1 (Unrated)
Bitwise Tuples, Bella ciao, Summer Heat
July Challenge 2021 Division 1 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination
August Challenge 2021 Division 1 (Unrated)
Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
October Challenge 2021 Division 1 (Unrated)
Longest AND Subarray
SnackDown 2021 - Online Round 1A
Dance Moves, Min Max LCM
CodeChef Starters 17 Division 1 (Unrated)
Binary Inversion, GCD of Prefixes, Partition It
CodeChef Starters 19 Division 1 (Unrated)
The Alternating Sum, Distinct Elements
C.O.D.E.R.S Division 1 (Unrated)
The One with All the Candy, The One with Ross Wedding
CodeChef Starters 21 Division 1 (Unrated)
ChefWM, And Or Union
January Long 2022 - I, Division 1 (Unrated)
Retrieve back the Array, Chef and Riffles
May Long One 2022 Division 1 (Unrated)
Mystical Numbers, The Magical Stone, Alternating Diameter
Starters 79 Division 2 (Rated)
Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 84 Division 2 (Rated)
Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 100 Division 2 (Rated)
Prime Permutation, Stamps 100, Concussive Sequence, Ant
Starters 104 Division 2 (Rated)
Maximise Sum, GCD and LCM
Starters 105 Division 2 (Rated)
Take it Easy, Spooky Sequences, Dull Operation, Wishcraft
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Permutation Construction, Max Nutrition