ttttan

• Username: 7★ttttan
• Country:  Japan
• Student/Professional:Student
• Institution:The University of Tokyo
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 11

Current Ratings Graph Old Ratings Graph

2735 (+15)RatingProvisional
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Starters 100 Division 1 (Rated)(2023-09-13 22:00:00)

Global Rank:   14

Cheated in:   

Ratings System Update

(2023-09-13 22:00:00)

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2739 (+236)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)(2022-12-20 00:00:00)

Global Rank:   23

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Contests (11)

CodeChef Starters 34 Division 4 (Rated)

Average Array, Binary Mismatch, Good Permutation, Expiring Bread, Lulymp, Positive Products, Is the Score Consistent, Count The Arrays, Binary String Xor, Good Quality Bulbs

Starters 35 Division 4 (Rated)

Concurrent Lines, Jenga Night, Police and Thief, Water Requirement, Admins and Shopping, K0KALARU47 and CP task, Chef Find XOR Beautiful, Dark Light, Jump to Sibling, Help Chef

Starters 36 Division 3 (Rated)

Valentine Vex, Chef and Bird farm, All Roads Lead To Rome, Presents for Cheffina, Three Arrays, Reduce to 1, Buying Sweets, Maximum Value from Binary strings

May Cook-Off 2022 Division 2 (Rated)

Split Powers Of 2, Different Subarrays Rearrange, Doubled Distances, Triple Inversions

Starters 38 Division 2 (Rated)

Circular Track, Anti-knapsack, Maximum XOR, Good Pairs, A Bit Easy, Average Gift

Starters 39 Division 2 (Rated)

Compress the Video, Crazy Substrings, Minimize Blocked Roads, Yet Another Palindromic Problem, Closest Vowels, Even Subarray XOR

July Cook-Off 2022 Division 1 (Rated)

String Break, Partition Queries, Segmentation Fault, Subsequence LCM

Starters 46 Division 1 (Unrated)

Sort the String, Array sorting, Equal Subsequences, Vowel Anxiety, Prime Xor, Maximum Diversity

August Lunchtime 2022 Division 1 (Rated)

Sort the Array, Tree Coloring, MEX Permutation Difference

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)

Increasing Addition, Where Is the Root, Longest Unfriendly Subsequence

Starters 93 Division 1 (Rated for All)

Why Try, Motive, Bloodline, Greedy, NASA, Thank U, Next

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100, Concussive Sequence, Interesting Swap, Ant

Total Problems Solved: 76