Sandeep Singh

• Username: 5★sandeep_7ss
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Durgapur West Bengal, India
• 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: 27

Current Ratings Graph Old Ratings Graph

2011 (+14)RatingProvisional
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January Lunchtime 2022 Division 1(2022-01-29 23:00:00)

Global Rank:   165

Cheated in:   

Ratings System Update

(2022-01-29 23:00:00)

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

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2011 (-117)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   165

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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Practice Paths (0)

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Contests (27)

September Mega Cook-Off 2018 Division 2

Make a Permutation, ATM Machine

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

October Lunchtime 2018 Division 2

Three Friends, Coloring the Grid, Weird Question

Encoder (Rated for Division 2)

Knight Chess, Paint the Wall

December Lunchtime 2018 Division 2

Age Calculator, Choosing from Buckets, Print Pattern

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

April Cook-Off 2019 Division 2

Pied Piper vs Hooli, Making a Meal, Chef Learning Hungarian Algorithm

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour, Reverse Maximisation

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

October Lunchtime 2019 Division 1 (Unrated)

Counting Inversions Again!, Box Game

November Cook-Off 2019 Division 1

The Biggest Restaurant, Robots in Chefland

November Lunchtime 2019 Division 1

Washing Windows, Perfection, Planting Trees

Code Melange (Rated for all)

Greg and Grid, A Small Array, Go Round, Max power

January Cook-Off 2020 Division 1

Profitable Paths

March Cook-Off 2020 Division 1

Escape the Tree , Maximize Letter Beauty, Mysterious Sequence

April Cook-Off 2020 Division 1

Simple Operations

April Lunchtime 2020 Division 1

Positive Mex

Biteration #2 (Rated for Division 2)

A - Books, B - Candy Love, C - Chef and Maths

Exun Programming Prelims 2019 (Rated for all)

Weird Modulo Problem , Tennis Tournament, Chipped Tree

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

RECode 12.0 (Rated for all)

Chef and Numbers, Chef and Rotation, Chef and String, Chef and Walk

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

Code Ensemble (Rated for Division 2)

Cherry and Bits, Priya and Parity, Help Martha, Traversing Trees, Priya and AND

CodeChef Starters 23 Division 1 (Unrated)

Subarray Mex, Maximise the Minimum, Maximising Vacations, Non Zero Subarray Xor

January Lunchtime 2022 Division 1

Permutation XOR Sum

Total Problems Solved: 81