Rehankhan

• Username: 2★rehxn_khan
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

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Starters 222 (Rated)(2026-01-21 22:00:04)

Global Rank:   1328

Cheated in:   

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(2026-01-21 22:00:04)

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Global Rank:   0

Cheated in:   

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Learning Paths (1)

Problem solving in Python

20%

Practice Paths (5)

1000 to 1400 difficulty problems

2%

Practice Arrays

14%

Practice C++

30%

Practice Python

14%

Binary Search

8%

Contests (21)

Starters 187 (Rated)

Chococut, Exercise and Rest

Starters 188 (Rated)

Red and Blue Gems, Subset Sum 3, Train Even or Odd

Starters 189 (Rated)

Distinct 2 Subarray, Pizza Party

Starters 190 (Rated)

Maximum Slams, Number Reduction

Starters 192 (Rated)

Missing Shoes, No Odd Sum

Starters 195 (Rated)

Selling Sandwiches, Marble Collector, Failing Grades

Starters 197 (Rated)

Independence Day, All Odd Prefix Sums, Bowling Balls

Starters 201 (Rated)

Huge Grid (Easy Version), Selling Coins, Mixing Liquids, Mark Points

Starters 202 (Rated)

Buying Flowers, Min-Max Deque (Easy), Two Rolls, Endless Play

Starters 203 (Rated)

Coloured Orbs, Passing Grade, Cab Rides

Starters 204 (Rated)

Minimize Sum, Triangles, Drawing Chances, Episodes

Starters 205 (Rated)

Mirror Jump, Triplet Maximization, Cute Strings, Unreachable

Starters 207 (Rated)

Make Subarray, Tourist

Starters 211 (Rated)

Fuel Check, Buying Chairs, No Doubling, Wolf Down

Starters 212 (Rated)

Binary Flip, Exit Door, Signal

Starters 213 (Rated)

EXML Race, No 4 Please, Separation

Starters 215 (Rated)

Intersecting Intervals (Easy), Product Sum Arrays (Easy), Differing Values, Special Missions, Gem Bundles

Starters 216 (Rated)

Scoring, Best Seats, XOR Equal Subtract, Minimum Same Difference, LIS and LDS

Starters 217 (Rated)

Make An AP, Max Adds, Playing with Toys, Add to make Positive, Add 1 or 3

Starters 218 (Rated)

Stop The Count, Counting Optimal Arrays, Deleting Array Again, Coloured Balloons

Monday Munch - DSA Challenge 16

Special Substring, Matrix Rotations, Unique Subset, Longest Substring Without Repeating Characters, Chef and Consecutive Ones, Birthday Chocolates

Starters 222 (Rated)

Candy Types, Layered Cake, Sorting Prefixes, Sell Upto 2

Monday Munch - DSA Challenge 19

Find how many times the array have been rotated, Longest Common Prefix, Valid Anagram, Chef shifting office

Monday Munch - DSA Challenge 20

Remove Duplicates from Sorted Array, First and last occurrence of a given number, XOR of numbers in a range, Cricket tournament profits

Total Problems Solved: 229