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Weekly Contest 142

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Contest details

CN Insider💡- Be the First to Know – Join our Brand new Discord Community of CNCode 360 for Insider tips, Early Announcements, and Structured Upskilling.

 

Embark on a weekly coding adventure with problems inspired by top tech companies !! Each week brings a new opportunity for you to showcase your coding skills and a chance to land tech internships or full-time positions with our esteemed hiring partners.

 

Weekly Contest is not just about coding; it's a chance to upskill, get hired, and step into the world of enormous career opportunities.

 

Contest Process(Important):

Registration: Register on CNCode 360 Weekly Contest to participate in the contest
Participation: Engage in the coding challenge every Thursday from 8 to 10 PM.

 

Contest Format:

Duration: 2 hours of coding excitement.

Problems: 4 High Quality Industry Based Coding Problems.

Language Supported: Java,Python, C++,&JavaScript

 

Current rating
Lies amongst top NaN%
Contests attended
Contest submissions
Contest leaderboard
1
st
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Paul Levande
280
2
nd
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Khush Shah
192
3
rd
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Vishal Kumar Singh
186
4
th
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Krityaan Thapar
179
5
th
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Himanshu Yadav
176
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1/2
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Rewards

Weekly Contest Rewards 🏆

Earn Coding Ninjas Studio EXP as well to unlock lucrative badges on your CNStudio Profile

  • 1st - 1000 EXP
  • 2nd - 750 EXP
  • 3rd - 500 EXP
  • 4th-10th - 250 EXP
  • 11th-50th - 100 EXP
  • First Contest - 200 EXP
  • Participation - 100 EXP

Rules

  • You can submit solutions as many times as you'd like, there are no penalties for incorrect submissions. Only your best correct submission will be considered.
  • Those who achieve the score first will be placed higher in the ranklist in case of a tie.
  • Discussing Coding Ninjas Studio contest problems or any aspect of the problem, on any other platform on the web, on identification, could lead to disabling of respective account and banning from the community.
  • Please do not discuss strategy, suggestions, or tips in the comments during a live contest. Posting questions clarifying the problem statement is ok. If you are unsure, feel free email us at support@codingninjas.com
  • The problems will be partially graded. You will get score for passing certain test cases.
  • Facing any kind of issues, email us at support@codingninjas.com
For any issues and inquiries mail us at
code360@codingninjas.com

FAQs

Which browser should I prefer to use to participate in contests?

Coding Ninjas Studio Contests are best supported on the latest versions Google Chrome browsers, both on the Windows and MAC systems.

What kind of questions can I expect in Coding Ninjas Studio contests?

Mostly questions are focussed on data structures and algorithms skills. You can submit the code in C++, Java and Python.

Can I leave the test in the middle and continue later?

You can do that. But timer will continue and will not stop in between. When you come back you will lose the time of the test.

What if i encounter technical issues during the test?

You can email us at support@codingninjas.com . We will make sure to cater your issues.

What is the meaning of EXP?

You get EXP for successful submission on Coding Ninjas Studio. It can be within contest or other problems within Coding Ninjas Studio. It will help you increase your presence on Coding Ninjas Studio.

Can we participate in contests from mobile?

We are working on this. But currently this feature is not available.

Will I receive the results of the contest? If yes, when?

Yes. After the contest date ends, you will be able to see your rank and points received on the leaderboard. You will also get the email as well.

Will I get the allotted time to attempt the contest if I start the contest just few mins before the event End Time?

No, you will not be allowed to attempt any of the problems after event end time. Test will end automatically at the End Time of Event.
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Weekly Contest 142
Contests and hackathons
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Hey Ninjas!

This is a post to ask doubts and share your logic for solving questions from Weekly Contest 142! 😄
You can also view the rankings for the contest here (link).

If you face any issues during the contest, do let us know by replying below. ✌️

How was your experience in the contest or got any feedback? Let us know here (link)

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Published on 5 Sep, 2024
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Shivang Tiwari
5 Sep, 2024

The judges solution to 4 is incorrect. It is mentioned in the statement that you can only move to the right or downwards, however the testdata also counts a grid as valid if any path exists(you can move in any direction with a 0). Anyway solution courtesy of the contest winner There are basically four kinds of rows: Blank, rows with 1s from [0, N//2-1], rows with 1s from [N//2, N-1], and other rows. Call these Blank, A, B, Other. A grid is not valid if

 

1) There is an A row and then a B row downwards.

 

2) There is a B row and then an A row downwards. All rows in between are not blank.

 

3) There is an A row with no blanks above.

 

4)There is a B row with no blanks below.

 

Therefore, the states where care about are: have we had a blank row at all? Has there been an A since the last blank row? Has there been a B since the last blank row?  

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Eshwar Rachakonda
6 Sep, 2024

No video solution for this contest ?

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5 Sep, 2024

Where do I get solutions for the contest problems ??

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Aman Singh Rawat
5 Sep, 2024

can  anyone telll me solution of 3rd

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Abhishek Choudhary
5 Sep, 2024

How to 4th? DP?

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