Ali Haider

• Username: 6★ali_cs7
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Patna Bihar, India
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 17

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Starters 155 (Rated till 5 stars)(2024-10-09 22:00:00)

Global Rank:   38

Cheated in:   

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(2024-10-09 22:00:00)

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Global Rank:   0

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Contests (17)

Starters 92 Division 4 (Rated)

Dividing into Groups, Rectangular Tiling, Oneful Pairs, Water Filling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, 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)

Mex Array

Starters 97 Division 2 (Rated)

Make It Special, Schrodinger Smiley, No Palindrome, Triplets Min

Starters 98 Division 1 (Rated till 6 Stars)

3-Blast Palindrome, Ball Distribution

Starters 120 Division 1 (Rated till 6 Stars)

Find Permutation , Construct Permutation, Count Subarrays, Count Arrays

Starters 121 Division 1 (Rated till 6-Stars)

Frequal, Caesar Cipher Lite

Starters127 Division 1

ABC Conjecture, Anti-Triangle

Starters 147 Division 1 (Rated till 5 stars)

K Subsequence 101, Counting is Fun 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 148 Division 1 (Rated till 6 stars)

Beautiful Flip, The Undisappearance

Starters 149 (Rated till 5 stars)

Chef Loves Beautiful Strings (Easy Version), Maximise Sum, Kill Monsters (Hard Version)

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard), Min Ops (Hard), Replacing Game

Starters 151 (rated till 5 stars)

Ball Game, Sequence Search

Starters 152 (Rated till 6 stars)

Completion (Hard), Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 155 (Rated till 5 stars)

GCD to 1 (Hard), Replace With First, Replace With First Literally, Prefix Suffix Min Max

Total Problems Solved: 80