TangentDay

• Username: 6★tangentday
• Country:  Japan
• Student/Professional:Professional
• Organisation:Recruit Communications Co., Ltd.
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 12

Current Ratings Graph Old Ratings Graph

2265 (+53)RatingProvisional
Rating i Provisional Rating, click to know more

May Lunchtime 2018 Division 1(2018-05-26 22:30:00)

Global Rank:   15

Cheated in:   

Ratings System Update

(2018-05-26 22:30:00)

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?

2265 (-121)RatingProvisional
Rating i Provisional Rating, click to know more

May Lunchtime 2018 Division 1(2022-12-20 00:00:00)

Global Rank:   15

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)

None

Practice Paths (0)

None

Contests (12)

July Challenge 2017

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

August Long Challenge 2017

Chef And Fibonacci Array, Strings and Graphs, Greedy Candidates, Palindromic Game, Chef and Mover, Chef and Rainbow Array

December Challenge 2017

Chef And Easy Xor Queries, Chef and Hamming Distance of arrays, Red and blue points, Penalty Shoot-out, Chef And his Cake, Total Diamonds, Chef and Universe

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples

September Cook-Off 2017

Infinite OR Game, Statistics Construction, Subsequence Equality

November Cook-Off 2017

Skiing, Online Chess, Random Pair

January Challenge 2018

K-Concatenation, Partition the numbers, String Merging, Maximum Score, Rectangle

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Chef and Easy Problem, Mix the Colors, Minions and Voting

April Lunchtime 2018 Division 1

The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling

May Lunchtime 2018 Division 1

Weak in the Middle, Maximum Plus, Shifted Palindrome, Count Substrings

April Challenge 2018 Division 1

Chef and Array (Challenge), Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Chef and Same Old Recurrence 2

May Challenge 2018 Division 1

S-T Mincut, Change the Signs, Not a Convex Hull (Challenge), Fake Binary Search, Rubber Band, Dibs on Fibs

Total Problems Solved: 63