Upasana Singh

• Username: 2★upasana1216
• Country:  India
• Student/Professional:Student
• Institution:Banasthali University Vanasthali, Rajasthan, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1417 (+8)RatingProvisional
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CodeChef Starters 15 Division 2 (Rated)(2021-10-12 23:15:02)

Global Rank:   2805

Cheated in:   

Ratings System Update

(2021-10-12 23:15:02)

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1417 (-194)RatingProvisional
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CodeChef Starters 15 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2805

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?

Learning Paths (0)

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Contests (25)

January Challenge 2020 Division 2

Breaking Bricks

February Challenge 2020 Division 2

School of Geometry

May Challenge 2020 Division 2

Isolation Centers

February Cook-Off 2020 Division 2

Tax Slabs

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Chef and Price Control

September Challenge 2020 Division 2

A Problem on Sticks

August Cook-Off 2020 Division 2

Chef and Work

November Challenge 2020 Division 2

Ada and Dishes

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

November Cook-Off 2020 Division 2

Chef and IPC Certificates

November Lunchtime 2020 Division 2

Gasoline Introduction

February Lunchtime 2021 Division 3

Smallest Possible Whole Number

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, No Time to Wait

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, 2-D Point Meeting, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Cars and Bikes, Zebra Crossing, Fake Swaps, Fake GCD, Adjacency Hatred

Total Problems Solved: 113