Ankit Kumar Giri

• Username: 4★ninja_69
• Country:  India
• Student/Professional:Professional
• Organisation:Microsoft
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 41

Current Ratings Graph Old Ratings Graph

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August Cook-Off 2020 Division 2(2020-08-24 00:15:02)

Global Rank:   17

Cheated in:   

Ratings System Update

(2020-08-24 00:15:02)

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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1856 (-99)RatingProvisional
Rating i Provisional Rating, click to know more

August Cook-Off 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   17

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 (41)

May Challenge 2017

Courses in an university, Chef and his daily routine, Median of adjacent maximum numbers

August Long Challenge 2017

Chef and Rainbow Array

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums, Sereja and Commands

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Chef goes Left Right Left, Villages and Tribes, Periodic Palindrome Construction, Chef and Subarray Queries, Chef Hates Palindromes

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

September Cook-Off 2017

Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Weird Queries, Chef and Employment Test

November Cook-Off 2017

Random Pair

August Lunchtime 2017

Mathison and pangrams

September Lunchtime 2017

Chef and Cook-Off Contests

November Lunchtime 2017

Smart Strategy

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Broken Clock, Permutation and Palindrome, Car-pal Tunnel, Chef And The Patents, Chef And His Characters

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Mix the Colors, Chef and Glove, Minions and Voting

June Cook-Off 2018 Division 1

Good Permutations

September Mega Cook-Off 2018 Division 1

Make a Permutation, OneTwo

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

May Lunchtime 2018 Division 2

Trace of Matrix, Count Substrings

June Challenge 2018 Division 1

Vision

July Challenge 2018 Division 1

No Minimum No Maximum

August Challenge 2018 Division 2

Coordinate Compression , Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 1

Bad Shuffle

November Challenge 2018 Division 1

Chef and Difficult Contests

October Challenge 2018 Division 1

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard

October Lunchtime 2018 Division 1

Coloring the Grid, Weird Question

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps

April Cook-Off 2019 Division 1

Random Game

April Lunchtime 2019 Division 1

Minimum Sum, Firdavs and Planet F

May Challenge 2019 Division 1

Where to Build the Roads

August Challenge 2019 Division 1

Guddu and his Mother, Dilemma, Maximize an Expression

September Mega Cook-Off 2019 Division 1

Angry Grandfather

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Sticky Notes, Addition

May Challenge 2020 Division 1

Coronavirus Spread

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 2

Weird Walk, Tree difference, Lost Weekends, Convert the String

June Challenge 2020 Division 1

The Tom and Jerry Game!

July Challenge 2020 Division 1

Chefina and Swaps, Missing a Point, Doctor Chef

August Cook-Off 2020 Division 2

Red-blue Trees, Polygon Relationship, Chef and Work, K-Foldable String

Total Problems Solved: 150