Nabila Ahmed

• Username: 4★nabila_ahmed
• Country:  Bangladesh
• Student/Professional:Student
• Institution:North South University Dhaka, Bangladesh
• 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: 28

Current Ratings Graph Old Ratings Graph

1820 (+23)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2017(2017-01-18 15:00:00)

Global Rank:   851

Cheated in:   

Ratings System Update

(2017-01-18 15:00:00)

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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1820 (-1)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2017(2022-12-20 00:00:00)

Global Rank:   851

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 (28)

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Count Substrings

August Challenge 2014

Chef and Reversing, The Leaking Robot

September Challenge 2014

Chef and Left-Right

October Challenge 2014

Remy paints the fence, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Ground

December Challenge 2014

Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees

January Challenge 2015

Chef and Stones, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and A Large Permutation

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Steady tables, Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Chef and Cube, MasterChef, Na2a and lucky stone

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and the stones, Oracle Devu and Longest Common Subsequence

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Stacks

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

August Challenge 2016

Chef and Chocolate, Chef and Round Run

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior

Total Problems Solved: 79