Guddu Singh
- 6★guddusingh123
India- Student
- Indian Institute of Technology Roorkee Uttarakhand, India
- No Active Plan. View Details
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Ratings System Update
(2024-08-28 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Contests (90)
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
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
Chefina and Swap, A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies, Ratings and Rankings
June Cook-Off 2020 Division 2
Cache Hits
June Lunchtime 2020 Division 2
Chef and Demonetisation
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
January Challenge 2021 Division 2
Fair Elections
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
December Cook-Off 2020 Division 2
Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences, One Zero Swaps
October Lunchtime 2020 Division 2
AND Plus OR
February Challenge 2021 Division 2
Frog Sort, Prime Game, Maximise Function
March Cook-Off 2021 Division 2
Matrix XOR, Guess the Number
March Challenge 2021 Division 2
Interesting XOR!, College Life 4, Space Arrays
March Lunchtime 2021 Division 2
Dinner by Candlelight, Racing, Lunchtime
April Challenge 2021 Division 2
Worthy Matrix, Chef and Dice
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
April Lunchtime 2021 Division 2
Chef in Heaven , Bench Press, Array Rotation
April CodeChef Starters 2021 Division 2 (Unrated)
Maximum Size, Thief and Police, Chef On Island, Hiring Test
May Lunchtime 2021 Division 2
Charges, Tom And Jerry 1, Total Components
May Challenge 2021 Division 2 (Rated)
Tree House, Xor Equality, Tic Tac Toe, Modular Equation
June Challenge 2021 Division 2 (Unrated)
Minimum Dual Area, Shortest Route, Bella ciao, Summer Heat
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination
July Cook-Off 2021 Division 2
XOR-ORED, Mod Equality
July Lunchtime 2021 Division 2
Beautiful Pairs, Array Rotation Returns
August Lunchtime 2021 Division 2
K-th Maximum, Crossing Blocks, Just a Graph
September Cook-Off 2021 Division 2
Zebra Crossing, Half Sequence, Fake Swaps, Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
October Challenge 2021 Division 1 (Unrated)
Longest AND Subarray, MEX-OR
September Lunchtime 2021 Division 2
Interesting Representation, Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Product Pain
March Lunchtime 2022 Division 1
Winter, Adjacency Love
April Cook-Off 2022 Division 1
Chef Goes Shopping
May Lunchtime 2022 Division 2 (Rated)
Bucket and Water Flow , Maximum Pairwise Modular Sum, Balanced 0-1 Tree, Equal After And
July Cook-Off 2022 Division 1 (Rated)
Segmentation Fault, Subsequence LCM
June Cook-Off 2022 Division 1 (Rated)
Simple XOR, Split AND Sum
June Lunchtime 2022 Division 1 (Rated)
The Lost Array, Max Shift After XOR, Minimum Xor On Segment
July Lunchtime 2022 Division 1 (Rated)
Consecutive XOR, Largest Family
August Lunchtime 2022 Division 1 (Rated)
Tree Coloring, Subtract 12 Operation
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition
Starters 86 Division 1 (Rated for All)
Minimum Operation, String Game , Largest Y
Starters 87 Division 1 (Rated till 6 Stars)
Inversions of subsequences, AB plus C, One or All
Starters 88 Division 1 (Rated till 6 Stars)
Maximum And Or, Chef and Asteroids, Minimize the Bits, Chef and Good Array
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 1 (Rated till 6 Stars)
Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, A Peculiar Arrangement, Beautification of array, Distance Coloring
Starters 93 Division 1 (Rated for All)
Thank U, Next, NASA, Bloodline
Starters 94 Division 1 (Rated till 5 Stars)
Possible or Not, Search for 404, Special Operation, The Vowel Matrix
Starters 95 Division 1 (Rated till 6 Stars)
Boxes, Transfusion Chain
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Mex Array
Starters 98 Division 1 (Rated till 6 Stars)
3-Blast Palindrome, Ball Distribution
Starters 100 Division 1 (Rated)
Prime Permutation, Stamps 100, Concussive Sequence, Ant
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, OR Permutation
Starters 110 Division 1 (Rated till 5-stars)
Marbles, Am I Lucky!, Monsters
Starters 111 Division 1 (Rated till 6 Stars)
LCM Mania, Prefixing, Beautiful Strings
Starters 112 Divison 1 (Rated till 6 Stars)
Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Permutation Construction
Starters 113 Division 1 (Rated)
Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score
Starters 114 Division 1 (Rated till 6 Stars)
Yet another Matrix problem, Chef and Tag, Rock-Paper-Scissors
Starters 115 Division 1 (Rated)
Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 116 Divison 1 (Rated till 6-Stars)
Chef Product, ORST , Exact Savings
Starters 118 Division 1 (Rated till 5-Stars)
Count Substrings, Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 120 Division 1 (Rated till 6 Stars)
Find Permutation , Construct Permutation, Count Subarrays
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Caesar Cipher Lite
Starters 122 Division 1 (Rated till 6-Stars)
Arya In Grid, Transformation Cost, Matrix Modulo
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One, How many arrays
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Tree Distance Set, Freedom, LCD, Triangular Swaps
Starters127 Division 1
Array Operations, ABC Conjecture, Anti-Triangle
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings
Starters 130 Division 1 ( Rated till 6-Stars)
Updating A, Make Equal, Good Binary String
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Digit Space, Encrypt Value, T-Perm
Starters 132 Division 1 (Rated till 6 Stars)
ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query
Starters 133 Division 1 (Rated till 6-Star)
ABC Conjecture 3, Powered Parameters, Too Far For Comfort (Easy Version)
Starters 134 Division 1 (Rated till 6-Stars)
Origin, Prison Escape, 3out1in
Starters 135 Division 1 (Rated till 5-Stars)
Change A to B
Starters 136 Division 1 ( Rated till 6-Stars )
Lexicographically Maximal Prefix AND, Sum of Modes
Starters 137 Division 1 (Rated till 5-Stars)
Speedrun, Double Trouble
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring
Starters 140 Division 1 (Rated till 5-Stars)
Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape
Starters 142 Division 1 (Rated till 5-Stars)
Sum of Xors, Array Removal, Number Hunt
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array, Max Min and Length, Spread of Ratism
Starters 144 Division 1 (Rated)
Find P, Minimise Inversions, Largest K
Starters 148 Division 1 (Rated till 6 stars)
Double Trouble, The Undisappearance
Starters 149 (Rated till 5 stars)
Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Hard Version), Chef Loves Beautiful Strings (Easy Version)