Krishna

• Username: 5★krishna6421
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 40

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Starters 157 (Rated till 5 stars)(2024-10-23 22:00:00)

Global Rank:   65

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Global Rank:   0

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Contests (40)

Starters 92 Division 4 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist, Water Filling, Oneful Pairs

Starters 94 Division 4 (Rated)

The Gift, Gymkhana Election IIIT-A, CodeChef Streak, The Vowel Matrix

Starters 96 Division 3 (Rated)

Remove Multiples, Bells of Pilgrimage, Weeding

Starters 97 Division 3 (Rated)

Schrodinger Smiley, Best of Two

Starters 98 Division 3 (Rated)

FIND A and B, Airport Management, Ball Distribution

Starters 99 Division 3 (Rated)

Card Swipe, Endless Appetizers, Exclusion-Inclusion

Starters 100 Division 2 (Rated)

Prime Permutation, Stamps 100, Ant

Starters 101 Division 2 (Rated)

Warrior Chef, Lockpicking Chef

Starters 102 Division 2 (Rated)

Parity Permutation, Bit Play

Starters 103 Division 2 (Rated)

Unique xor, Divisible By 8, Dice Number

Starters 104 Division 2 (Rated)

Maximise Sum, GCD and LCM

Starters 105 Division 2 (Rated)

Take it Easy, Dull Operation, Wishcraft

Starters 107 Division 2 (Rated)

Maximal Expression, Adjacent Flips, Odd Matrix, Rock Paper Scissor, OR Permutation

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

August Long 2023 Division 2 (Unrated)

Spiritual Chef, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Starters 111 Division 2 (Rated)

LCM Mania, Prefixing, Beautiful Strings, ODI Cricket, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Permutation Construction, Max Nutrition

Starters 115 Division 1 (Rated)

Greedy LIS Algorithm, Make All Zero

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Count Arrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 123 Division 2 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II

Starters 124 Division 1 (Rated till 5-Stars)

Make It One

Starters 125 Division 2 (Rated)

Bucket Game, Fake Certificate, Binary Minimal

Starters 127 Division 2

ABC Conjecture, Superincreasing, Anti-Triangle

Starters 128 Division 1 (Rated till 6-Stars)

Binary Substring, XOR And Multiply, Disjoint Non-Decreasing Array

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings, ConstructXor

Starters 130 Division 1 ( Rated till 6-Stars)

Make Equal, Good Binary String

Starters 131 Division 1 (Rated till 5 Stars)

K-Closeness, Encrypt Value, T-Perm

Starters 132 Division 1 (Rated till 6 Stars)

ALIEN-OR, Optimal Flip, Prime Query

Starters 133 Division 1 (Rated till 6-Star)

ABC Conjecture 3, Powered Parameters

Starters 135 Division 2 (Rated)

Milky-Dark Chocolates, Invert And Equalize, Limit of MEX, Change A to B

Starters 136 Division 1 ( Rated till 6-Stars )

Lexicographically Maximal Prefix AND, Sum of Max K Subarray, Sum of Modes

Starters 139 Division 1 (Rated till 5-Stars)

Sum of N

Starters 140 Division 1 (Rated till 5-Stars)

Split Permutation, Trick Or Treat, Break The String

Starters 142 Division 2 (Rated)

Sum of Xors, Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 157 (Rated till 5 stars)

Small, Smaller, Smallest, Normal is Good, Unmedian

Total Problems Solved: 146