Ullas Das

Rookie League

• Username: 3★ullasdas004
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Durgapur West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

1626 (-22)RatingProvisional
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Starters 232 (Rated)(2026-04-01 22:00:02)

Global Rank:   1131

Cheated in:   

Ratings System Update

(2026-04-01 22:00:02)

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NA? (+NA)RatingProvisional
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None(None)

Global Rank:   0

Cheated in:   

Ratings System Update

(None)

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How the rating system works?

Learning Paths (1)

C++ Problem Solving

30%

Practice Paths (2)

1000 to 1400 difficulty problems

2%

Practice Arrays

2%

Contests (23)

Starters 186 (Rated)

Best Movie, Approval Ratings, Chess Win

Starters 187 (Rated)

Exercise and Rest, Incremental Game, Chococut

Starters 188 (Rated)

Yet Another Monsters Problem, Red and Blue Gems, Subset Sum 3, Train Even or Odd

Starters 189 (Rated)

Nutrition Cost, Create Binary String, Distinct 2 Subarray, Pizza Party

Starters 190 (Rated)

Maximum Slams, Parry It! (Easy), Min-Max Deletion, Light All, Number Reduction

Starters 191 (Rated)

Add to get GCD, Permuted Greater than 2, Nearest Square

Starters 192 (Rated)

Security Lines, No Odd Sum

Starters 193 (Rated)

Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors

Starters 196 (Rated)

More Cookies, Sugar Limit

Starters 197 (Rated)

Bowling Balls, All Odd Prefix Sums, Good Ranking (Pair), Expected Cost

Starters 199 (Rated)

Fence Colouring, Grid MEX, Subtract or Divide, Brick Comparisions, Cake Making

Starters 207 (Rated)

Make Subarray, Tourist

Starters 215 (Rated)

Gem Bundles, Differing Values, Intersecting Intervals (Easy), Special Missions

Starters 216 (Rated)

Minimum Same Difference, Scoring, Best Seats

Starters 217 (Rated)

Add 1 or 3, Add to make Positive, Playing with Toys, Max Adds, Make An AP

Starters 218 (Rated)

Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays, Christmas Trees, Coloured Balloons, Stop The Count

Starters 219 (Rated)

Ones and Zeroes I, Cake Baking, Pizza Comparision, 3 Paths , New Operation, Ones and Zeroes II

Starters 220 (Rated)

Two Pile Game, Movie Hype

Starters 221 (Rated)

Rectangle Coloring, Odd Operations, Odd String

Starters 222 (Rated)

Layered Cake, Sorting Prefixes, Sell Upto 2

Starters 227 (Rated)

Equal Elements, Erase and Maximize, Buying Tickets

Starters 229 (Rated)

Sum Not Equal, Start Shift, Sequential Clamp

Starters 232 (Rated)

Food Resources, Set Size, Moderate Temperatures, Equal Difference

Total Problems Solved: 136