Vanitha Nallappan

Rookie League

• Username: 1★sona_23102186
• Country:  India
• Student/Professional:Student
• Institution:Sona College of Technology
• CodeChef Pro Plan: View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

1011? (+56)RatingProvisional
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Starters 236 (Rated)(2026-04-29 22:00:06)

Global Rank:   5886

Cheated in:   

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(2026-04-29 22:00:06)

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None(None)

Global Rank:   0

Cheated in:   

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(None)

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Learning Paths (3)

Hashing

27%

Linked Lists

89%

Linked Lists

72%

Practice Paths (5)

SQL Practice Queries

51%

Two Pointers and Sliding Window Technique

54%

Practice Arrays

88%

Infosys InfyTQ - Questions

71%

Practice Strings

Completed

Contests (4)

Starters 229 (Rated)

All Zero, Vacation Excitement

Starters 230 (Rated)

Reselling Items, Passing Exams, Equal Buying

Monday Munch - DSA Challenge 29

Detect Start of Cycle in Linked List, Find the Two Unique Numbers

Starters 232 (Rated)

Moderate Temperatures, Vacation Clothes, Equal Difference

Monday Munch - DSA Challenge 30

Find the insert position, Bottom view of binary tree, Minimum Eating Speed

Starters 236 (Rated)

Extra Guests, Cute Substrings, Palindrome Check

Monday Munch - DSA Challenge 31

Chef Solves Word Break

Monday Munch - DSA Challenge 34

Print Pattern, Frequency of elements using Hashing, Rating people

Weekend Dev Challenge 48: Golang Projects

Cloud Budget Estimator

Total Problems Solved: 265