Oasis Surana

• Username: 4★oasis1
• Country:  India
• Student/Professional:Student
• Institution:Delhi Technological University New Delhi, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

1849 (-20)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 1(2018-10-20 15:00:00)

Global Rank:   578

Cheated in:   

Ratings System Update

(2018-10-20 15:00:00)

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?

1849 (-34)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 1(2022-12-20 00:00:00)

Global Rank:   578

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)

None

Practice Paths (0)

None

Contests (23)

January Challenge 2015

Chef and Stones

January Lunchtime 2015

Piece of cake

February Challenge 2015

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

March Challenge 2015

Chef and Notebooks

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

November Challenge 2015

Chef and cakes

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

June Challenge 2016

Devu and an Array, Chef and Coins Game, Chef And Binary Operation, Chef and Rectangle Array, Chef And The Hiring Event, Chef and Array and K

July Challenge 2016

Andrash and Stipendium, Chef and Robots Competition, Chefland and Electricity

August Challenge 2016

Chef and Chocolate, Chef and Round Run

September Challenge 2016

Dividing Machine, Chef and calculation, JosephLand, Faded Palindromes, Chef and digits of a number, Chef and Friends

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

December Challenge 2016

Train Partner, Our Base is Under Attack, Kirito in labyrinth, Kth Max Subarray

March Cook-Off 2016

Digital clock, Dual Nim, Alternating subarray prefix

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences

September Challenge 2017

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

October Challenge 2018 Division 1

Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard

Total Problems Solved: 108