jsonfoan

• Username: 5★jsonfoan
• Country:  Australia
• Student/Professional:Student
• Institution:University of New South Wales Sydney, Australia
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

2153 (+27)RatingProvisional
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Starters 191 (Rated till 6 star)(2025-06-18 22:00:00)

Global Rank:   68

Cheated in:   

Ratings System Update

(2025-06-18 22:00:00)

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2111 (+49)RatingProvisional
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January Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   293

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

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Contests (8)

CodeChef Starters 21 Division 3 (Rated)

Akash and Grid, And Or Union, Covid and Theatre Tickets, The Melancholy of Problem Setter, Devendra and Water Sports

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Merging Binary Strings, Equal LIS

SnackDown 2021 - Final Round Parallel Contest (Unrated)

Ones Guessing

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game, Harshikaa and the Rain

January Cook-Off 2022 Division 2

Mean Maximization, Merged LIS, Subsegment Divisibility , Palindromes Not Allowed

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

Starters 183 (Rated till 6 star)

Arbitrary Shuffling, Complete MST, S to T

Starters 184 (Rated till 5 star)

Front or Back, Double or Append

Starters 191 (Rated till 6 star)

Add 1 or 2, Coloured Array, Grid Path (Easy), Permuted Greater than 2

Total Problems Solved: 34