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A doubt in approach of MAXEP problem ( Shared by IOI Gold Medalist ) -...

I wrote an editorial regarding how to solve the MAXEP problem asked in december long contest 2018.A lot of users shared wonderful approaches to take on the problem (besides my way of solving it), but I...

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FANCY - EDITORIAL

PROBLEM LINK:PracticeContest: Division 1Contest: Division 2Setter:Shivam GuptaTester:Xiuhan WangEditorialist:Taranpreet SinghDIFFICULTY:CakewalkPREREQUISITES:NonePROBLEM:Given a string, check if it...

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A very big plagiarism this long challenge JAN19.

Codechef did not do his job this long challenge yet it was obvious that the plagiarism had to be very big. Out of 10 solutions in python3.6 I count 4plagiarisms on XYPIZQ.And what disgusts me is that...

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Pizza Slice (XYPIZQ) mini editorial

Consider this diagram. Half of the line segments are drawn in red. The line segments $a_0b_1,b_1a_2,a_2b_3,b_3a_4$ also exist, but are ommited here for clarity.We do not yet know what angle $x$ is, but...

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this code runs successfully but at the time of sumbit it gives me NZEC error...

cook your code herex, y = int(input()), int(input()) if(x % 5==0): print(y) y=y-x- 0.50 print("%.2f" %(y) ) else: print(y)

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EARTSEQ - EDITORIAL

PROBLEM LINK:PracticeContest: Division 1Contest: Division 2Setter:Evgeniy ArtemovTester:Xiuhan WangEditorialist:Taranpreet SinghDIFFICULTY:Easy-MediumPREREQUISITES:Sieve of Eratosthenes, Number-Theory...

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EARTSEQ QUESTION

https://www.codechef.com/viewsolution/22395844WHAT IS WRONG IN MY CODE??

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Invitation to CodeChef January Long Challenge 2019 sponsored By ShareChat

Happy New Year to the CodeChef community!Celebrate the new year with CodeChef’s January Long Challenge 2019 sponsored by ShareChat. This programming contest lets you tackle 8 problems over 10 days and...

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MGAME - EDITORIAL

PROBLEM LINK:PracticeContest: Division 1Contest: Division 2Setter:Smit mandaviaTester:Xiuhan WangEditorialist:Taranpreet SinghDIFFICULTY:EasyPREREQUISITES:Modulo operator and Basic...

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Implementation of Dijkstra's Algorithm using set data structure in C++

I was trying to implement Dijkstra using set data structure in C++. I was coding in C++14 and there seems to be something out of order in the code for it is not giving me the right answer in Codechef...

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RECTSQ, am I unable to understand?

https://www.codechef.com/problems/RECTSQMy Code:#include <stdio.h> int ans; int finder (int a, int b) { if(b > a) { a += b; b = a-b; a = a-b; } int k = a/b; ans += k; if(a-(k*b))...

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GMEDIAN - Editorial (Unofficial)

PROBLEM LINK:Div1Div2Setter:Teja Vardhan Reddy Editorialist: Utkarsh PandeyDIFFICULTY: EASYPRE-REQUISITES: Observation, Binomial Coefficients.PROBLEM: Given a sequence A1,A2,…,AN. Find the number of...

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GetCode Codechef/Codeforces/SPOJ plugin for Sublime Text 3

GetCodeThis is an ST3 plugin which:Take the URL of a problem such as https://www.codechef.com/problems/INVLIS.Parse the URL and get the problem code(In this case it is INVLIS).Create a new .cpp or .py...

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Invitation to RATED Contest(Div1+Div2) Enigma on Codechef, 10 January 2019

Hello, CodeChef community,Tired of searching for the perfect teammates in every competition? Want to prove your worth as a solo coder? Looking for the perfect platform to display your skills?This solo...

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Getting java NZEC error on codechef compiler

Guys i am trying to solve the DAG Delete problem of December contest. My code runs perfectly fine on my computer and i have tested it for multiple cases. I have also made sure that everything is...

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Why doesn't Codechef put editorials of all problems !

Is there nobody answerable to providing editorials of contest problems. Let go other open and unrated contests, we are talking about monthly rated contests. Several times the editorials don't appear...

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MySql database creation

Need help how to create database in mysql via chef .Iam able to install mysql and now i need to create database i don't know the syntax how to create database.Thanks .

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DIFNEIGH - EDITORIAL

PROBLEM LINK:PracticeContest: Division 1Contest: Division 2Setter:Evgeniy ArtemovTester:Xiuhan WangEditorialist:Taranpreet SinghDIFFICULTY:Easy-MediumPREREQUISITES:Pigeonhole principle, Constructive...

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Help for SEACO

hi , i am not able to find out whats wrong in my solution for the problem "Sereja and Commands"(https://www.codechef.com/problems/SEACO ) . I am implementing a fenwick tree approach , in which i am...

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Ratings are just unfair..!!!

Ratings are just unfair..!!My rating before(this and JAN Challenge) is 1484.And after this challenge +83.So 1567.And it is reverted back to 1484.Due to running of JAN Long challenge.And after long...

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