Shubham Raj

• Username: 5★shubh_raj2000
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

2000 (+37)RatingProvisional
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October Lunchtime 2021 Division 2(2021-10-27 22:30:02)

Global Rank:   124

Cheated in:   

Ratings System Update

(2021-10-27 22:30:02)

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2000 (-12)RatingProvisional
Rating i Provisional Rating, click to know more

October Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   124

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 (21)

May Lunchtime 2020 Division 2

Lost Weekends, Weird Walk

June Challenge 2020 Division 2

The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control, Even Matrix

July Challenge 2020 Division 2

Doctor Chef, Chef and Strings, Chef and Card Game, Missing a Point, Chefina and Swaps, Ada King

August Challenge 2020 Division 2

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

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Binary Concatenation , Maximum Candies, Chef and Steps

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Catch the Thief, Minimum Attendance Requirement, Self-Destructing Strings

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

October Lunchtime 2020 Division 2

AND Plus OR, Chef and Subtree MEXs

April Lunchtime 2021 Division 2

Array Rotation, Chef in Heaven , Bench Press

May Cook-Off 2021 Division 2

The Last Problem, Double Burgers, Chef and Subarrays

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

June Cook-Off 2021 Division 2

The Wave

August Cook-Off 2021 Division 2

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

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

September Cook-Off 2021 Division 2

Adjacency Hatred, Fake Swaps, Chef and Pairwise Distances, Zebra Crossing

SnackDown 2021 - Online Qualifiers

Lucky Number

October Lunchtime 2021 Division 2

Median Rearrangement, Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Min Max LCM, Equal Beauty, Dance Moves, Round Robin Ranks , Yet Another Flipping Problem

CodeChef Starters 21 Division 1 (Unrated)

ChefWM, And Or Union

Code Drive Division 1 (Unrated)

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

January Long 2022 - I, Division 1 (Unrated)

Sequence Master, Chef and Riffles

CodeChef Starters 24 Division 1 (Unrated)

Anti Palindrome

July Long Two 2022 Division 1 (Unrated)

Maximize Difference

Total Problems Solved: 90