erkhem

• Username: 4★erkhem
• Country:  Mongolia
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 24

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Starters 213 (Rated)(2025-11-19 22:00:02)

Global Rank:   291

Cheated in:   

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Global Rank:   0

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Contests (24)

Starters 136 Division 4 (Rated)

Who Makes P1, Sum of Modes, My First Geometry Problem, Even Sum Subarray

Starters 137 Division 3 (Rated)

Spell Splice, Large Differences

Starters 138 Division 3 (Rated)

A power B mod C , Prefix Suffix Inequality, Heat Wave, Long Drive, Distinct Substring

Starters 139 Division 2 (Rated)

Sum of N, Maximum Distance Permutations

Starters 143 Division 2 (Rated)

Non-Divisor Array, Binary Conversion

Starters 167 (Rated)

Temperature Balance, Happy New Year!, Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)

Starters 168 (Rated)

Make Odd

Starters 170 (Rated)

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

Starters 176 (Rated)

Same And, Friendly Binary Strings, Clothing Store, Costly Summit, Mex-P Tree (Easy)

Starters 178 (Rated)

Placing 01 And 10

Starters 179 (Rated)

Lost in the Fest!!, Unlock The Safe

Starters 181 (Rated)

Flip Prefix, Find Outside Array

Starters 184 (Rated)

One Down, Front or Back, Double or Append

Starters 187 (Rated)

Distinct Representations, Incremental Game, OR What

Starters 188 (Rated)

K Boxes, Yet Another Monsters Problem, Subset Sum 3, Train Even or Odd

Starters 189 (Rated)

Nutrition Cost, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)

Starters 191 (Rated)

Add 1 or 2, Permuted Greater than 2, Add to get GCD, Grid Path (Easy)

Starters 192 (Rated)

Security Lines, Equate XY, No 3 Please!

Starters 193 (Rated)

Count Odd Even Divisors, Check Odd Even Divisors, Mex Tree (Min), Add Permutation

Starters 195 (Rated)

String Deletions, Game (Easy), Marble Collector

Starters 200 (Rated)

Minimum Set, Random NIM, Restrict Palindromes, Good Subsequence

Starters 201 (Rated)

Huge Grid (Easy Version), Mark Points, Mixing Liquids, Compare and Connect

Starters 206 (Rated)

Cyclic Shift Minimization, Min Steps, Gladiator Fighting, Prime Sum

Starters 213 (Rated)

Mean Difference (Easy), Chef and String, Separation, No 4 Please

Total Problems Solved: 93