SHIRSENDU KONER

• Username: 1★madkiller
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Durgapur West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 36

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1100 (+37)RatingProvisional
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Starters 70 Division 4 (Rated)(2022-12-21 23:00:06)

Global Rank:   4432

Cheated in:   

Ratings System Update

(2022-12-21 23:00:06)

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1063 (-4)RatingProvisional
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Starters 69 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   13614

Cheated in:   Plagiarised in START69D

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

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Contests (36)

February CodeChef Starters 2021 Division 3 (Rated)

Chef and Coupon

March Challenge 2021 Division 3

Interesting XOR!, No Time to Wait, Space Arrays, Paparazzi Gennady, College Life 4, Consecutive Adding, Chef and Groups

May Lunchtime 2021 Division 3

Hoop Jump

May CodeChef Starters 2021 Division 3 (Rated)

Lazy Chef

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

Chefland Visa, ICPC Balloons

June Lunchtime 2021 Division 3

False Number, Richie Rich

June CodeChef Starters 2021 Division 3 (Rated)

Total Correct Submissions, Chess Match, Cyclic Quadrilateral

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

July Lunchtime 2021 Division 3

Red Alert, Chef and Spells, Beautiful Pairs

CodeChef Starters 6 Division 3 (Rated)

Three Dices, Cricket Ranking

CodeChef Starters 7 Division 3 (Rated)

Ceiling Sum, Maximum Array Xor, Chess Format, Food Chain

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

CodeChef Starters 8 Division 2 (Unrated)

Javelin Qualification, Penalty Shots

CodeChef Starters 9 Division 2 (Unrated)

Black cells in a chessboard, Large Square

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum

AlgoManiac - Code For Future Division 3 (Rated)

The Old Saint And Three Questions

September Challenge 2021 Division 3 (Rated)

Travel Pass, Airline Restrictions

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 3 (Rated)

Obtain the Sum, The Two Dishes, Find the Direction

CodeChef Starters 12 Division 3 (Rated)

Good Weather

CodeChef Starters 13 Division 3 (Rated)

Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors

CodeChef Starters 14 Division 3 (Rated)

RCB and Playoffs, FIXFIX, Diagonal movement

CodeChef Starters 16 Division 3 (Rated)

Professor And Directions, Chef And Salary Pay, Pass or Fail

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

CodeChef Starters 20 Division 3 (Rated)

Stable Sequence, Genes, Chef and Pal

FizzBuzz Division 3 (Rated)

Can_Reach, Can You Eat It

November Lunchtime 2021 Division 3

Chef and Stock Prices

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

Starters 46 Division 3 (Rated)

MATH1 Enrolment, Group Assignment

Starters 59 Division 3 (Rated)

Chef and Happy String

November Long 2022 Division 3 (Rated)

String Game

Starters 67 Division 4 (Rated)

Minimum Number of Ones, Counting Problem, Tour of King

Starters 69 Division 4 (Rated)

Akash and Dinner, Distinct Sequence, Convert to permutation, Scalene Triangle, Rain in Chefland

Starters 70 Division 4 (Rated)

Kitchen Timings, Spice Level, Cost of Groceries, Prime Reversal

December Long 2022 Division 4 (Rated)

Good Investment or Not, Reach fast

Total Problems Solved: 175