naoya_t

• Username: 6★naoya_t
• Country:  Japan
• Student/Professional:Professional
• Organisation:N/A
• 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: 8

Current Ratings Graph Old Ratings Graph

2200 (+32)RatingProvisional
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October Challenge 2017(2017-10-16 15:00:00)

Global Rank:   233

Cheated in:   

Ratings System Update

(2017-10-16 15:00:00)

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2200 (+21)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2017(2022-12-20 00:00:00)

Global Rank:   233

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)

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Practice Paths (0)

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Contests (8)

December Challenge 2016

Kirito in labyrinth, Train Partner, Our Base is Under Attack

June Challenge 2017

Chef and Prime Queries, Saboteur (Challenge), A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Two Coins, IPC Trainers, Calculator , Servers (Challenge), Whats in the Name, Tree Expectancy, Pishty and tree

August Long Challenge 2017

Greedy Candidates, Chef and Rainbow Array, Chef and Mover

September Challenge 2017

Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, (Challenge) Connecting computers, A Balanced Contest, Counter Test For CHEFSUM, Max Mex, Chef and Cycled Cycles, Chef and Magic Arrays

June Cook-Off 2017

Ada and crayons, A Study in Bake Street, SnackUp

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

Total Problems Solved: 47