CodeChef Logo CodeChef Logo
Courses

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Upgrade to Pro
Courses

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » Colin Rolance D
user profile

Colin Rolance D

  • 3★colin_07
  •   India
  • Professional
  • PhonePe
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 93
1730 (-44)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 178 (Rated)(2025-03-19 22:15:02)
Global Rank:   1754
Cheated in:   

Ratings System Update

(2025-03-19 22:15:02)
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?
NA? (+NA)RatingProvisional
Rating i Provisional Rating, click to know more
None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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)

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

6%

Contests (93)

Starters 70 Division 4 (Rated)

Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

Starters 79 Division 3 (Rated)

Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal

Starters 80 Division 2 (Rated)

Permutation Subsequence, Prefix Permutation, Equal Elements

Starters 82 Division 2 (Rated)

Make A-B Same, Difference Matrix, MIN To MAX

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 86 Division 2 (Rated)

String Game , Largest Y, Maximise Score

Starters 87 Division 2 (Rated)

Existence, AB plus C

Starters 88 Division 2 (Rated)

Maximum And Or, Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 96 Division 2 (Rated)

Mex Array, Remove Multiples

Starters 97 Division 2 (Rated)

Schrodinger Smiley, Triplets Min

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Starters 99 Division 2 (Rated)

Card Swipe, Exclusion-Inclusion

Starters 100 Division 2 (Rated)

Stamps 100, Concussive Sequence, Ant

Starters 101 Division 2 (Rated)

Warrior Chef, Lockpicking Chef

Starters 103 Division 2 (Rated)

Unique xor, Divisible By 8, Dice Number

Starters 104 Division 2 (Rated)

GCD and LCM

Starters 105 Division 2 (Rated)

Take it Easy, Dull Operation

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!

Starters 107 Division 2 (Rated)

Maximal Expression, Rock Paper Scissor, OR Permutation

Starters 108 Division 2 (Rated)

Clan Expansion, Palindromic Prime Numbers, Fair Distribution

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego, Chroma Swap

August Long 2023 Division 2 (Unrated)

Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Starters 111 Division 2 (Rated)

Prefixing, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition

Starters 113 Division 2 (Rated)

Minimise Maximum Subarray Sum, Maximum Score , Sum Neq

Starters 114 Division 2 (Rated)

Game on Array, Rock-Paper-Scissors, Christmas Candy

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Count Arrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One

Starters 125 Division 2 (Rated)

Fake Certificate, Binary Minimal

Starters 126 Division 2 (Rated)

Freedom, Permutation Disturbance, Triangular Swaps

Starters 127 Division 2

Superincreasing

Starters 128 Division 2 (Rated)

Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array

Starters 129 Division 2 (Rated)

Ballon d Or

Starters 130 Division 2 (Rated)

Make Equal, Alternating Binary String, Good Binary String

Starters 131 Division 2 (Rated)

K-Closeness, Dice Deception

Starters 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, GAME 11

Starters 133 Division 2 (Rated)

Maximum Alternating Sum

Starters 134 Division 2 (Rated)

Origin, Rock Paper Scissors

Starters 135 Division 2 (Rated)

Invert And Equalize, Change A to B

Starters 136 Division 2 ( Rated )

Sum of Modes, My First Geometry Problem

Starters 137 Division 2 (Rated)

Double Trouble, Large Differences

Starters 138 Division 2 (Rated)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 139 Division 2 (Rated)

Maximum Distance Permutations

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Tree Removal

Starters 141 Division 2 (Rated)

Redundant Array, Amphibian Escape

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 143 Division 2 (Rated)

Non-Divisor Array, Max Min and Length, Binary Conversion

Starters 144 Division 2 (Rated)

Minimise Inversions, Budget Allotment, Largest K

Starters 145 Division 2 (Rated)

Make My Array Equal

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 148 Division 2 (Rated)

Double Trouble, The Undisappearance, FightBots

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum

Starters 150 (Rated)

Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)

Starters 151 (rated)

Sequence Search, Convert string

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard), Prefix Suffix Min Max

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 157 (Rated)

Small, Smaller, Smallest, Not-too-far Replacement

Starters 158 (Rated)

Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize

Starters 159 (Rated)

Super Hero, Random Nim, Chess Colouring, Elections

Starters 160 (Rated)

Palindrome Love, Equate S and T

Starters 161 (Rated)

Temporary Temperature, Red-Blue Sort, One To Three, Two Cards

Starters 162 (Rated)

Adjacent Sum Array, Permutation Mod K

Starters 163 (Rated)

Nice Array, Minimum Types, Sort Them, Lexio Swap

Starters 164 (Rated)

Halloween Array, Construct Permutation, Swap and Flip

Starters 165 (Rated)

Reverse and Alternate, Stable Array, Bulk Discount

Starters 166 (Rated)

Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library

Starters 167 (Rated)

Lottery Tickets, Delete Not Equal, Grid Construction (Odd)

Starters 168 (Rated)

No Two Alike, Binary Removals, Make Odd

Starters 169 (Rated)

Constant Subsequence, Hamming equivalent, Make K Most Frequent

Starters 170 (Rated)

Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster

Starters 171 (Rated)

Swish Game, White Wall, Volcanic Eruption

Starters 172 (Rated)

Transform String, Streak Star

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty

Starters 174 (Rated)

Deletion and Difference

Starters 176 (Rated)

Clothing Store, Costly Summit

Starters 177 (Rated)

Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes

Starters 178 (Rated)

Placing 01 And 10

Total Problems Solved: 330

1730
(Div 2)
★★★
CodeChef Rating (Highest Rating 1942)
  • 7848 Global Rank
  • 6770 Country Rank

Skill tests

97%

Python Skill test

Attempted on May 2024
View skill tests

Badges

Code Enthusiast - Gold Badge

Code Enthusiast - Gold Badge

Received for explaining 100 Solutions

Total likes: 471    Total dislikes: 41

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2025 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.