Narendra Singh

• Username: 4★narendraiiitl
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Lucknow Uttar Pradesh, 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: 32

Current Ratings Graph Old Ratings Graph

1841 (+5)RatingProvisional
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Starters 41 Division 2 (Rated)(2022-06-01 23:00:02)

Global Rank:   775

Cheated in:   

Ratings System Update

(2022-06-01 23:00:02)

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1841 (+7)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 41 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   775

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 (32)

October Challenge 2019 Division 2

Phone Prices

October Mega Cook-Off 2019 Division 2

Medel

June Challenge 2020 Division 2

The Tom and Jerry Game!, Even Matrix, Chef and Price Control, Chef and Icecream, Chef and String

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Iron, Magnet and Wall

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

January Lunchtime 2021 Division 2 (Unrated)

Even Sum, Even Differences, Binary Subsequence

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

November Lunchtime 2020 Division 2

Gasoline Introduction

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

February Challenge 2021 Division 2

Prime Game, Maximise Function, Team Name, Frog Sort

February Lunchtime 2021 Division 2

Average Sorting, Palpal Strings, Coprime Range

International Coding Marathon 2021 Division 2 (Rated)

Suffix Sort, Lucky Boundaries

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Array Rotation Returns, Beautiful Pairs

August Cook-Off 2021 Division 2

Different String, Clear the Array, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

December Challenge 2021 Division 2 (Unrated)

List of Lists

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Romantic Reversals, Optimal Sorting, Maximum Trio

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Equal LIS

Infinity 2k21 Division 2 (Rated)

Marbles

Code Drive Division 2 (Rated)

Count Number of Peaks, Again XOR problem, Sum this up, Maximum Factors Problem

January Cook-Off 2022 Division 2

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

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem, Divisors and Reciprocals, Anti Palindrome

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

Starters 41 Division 2 (Rated)

Equal Integers, Remove and Add, Is this priority or parity!, Path Parity

Total Problems Solved: 109