phan nhat khang

• Username: 4★panaka_13
• Country:  
• Student/Professional:Student
• Institution:University of Nebraska–Lincoln Nebraska
• 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: 35

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1830 (-28)RatingProvisional
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January Challenge 2020 Division 2(2020-01-13 15:00:02)

Global Rank:   3411

Cheated in:   

Ratings System Update

(2020-01-13 15:00:02)

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1830 (+121)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   3411

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 (35)

January Challenge 2013

The Minimum Number Of Moves

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

June Challenge 2013

Dessert Wizard, Predictopus, Lapindromes

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

November Challenge 2015

Eugene and function, Simple Sum, Chef and cakes

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum

February Challenge 2016

Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Laddu

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

August Challenge 2016

Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard

November Challenge 2016

Task for Alexey

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

October Challenge 2017

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

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

November Cook-Off 2017

Skiing, Online Chess, Random Pair

January Challenge 2018

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

May Challenge 2018 Division 1

Change the Signs, Fake Binary Search, Dibs on Fibs

January Challenge 2019 Division 1

Different Neighbours, Distinct Pairs

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Breaking Bricks

Total Problems Solved: 129