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Weekly Contest 120
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Weekly Contest 120
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 120! 😄
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)

0 Upvoted
Published on 4 Apr, 2024
Replies (6)
Hrithik Kumar
5 Apr, 2024

Correct solution code for 2nd question. bool kDifferent(string &s, int k){

// Write your code here.

int n=s.length();

int mf=0;

vector<int> freq(26);

for(int i=0;i<n;i++){

freq[s[i]-'a']++;

mf=max(mf,freq[s[i]-'a']);

}

if(mf>(n+k-1)/k){

return 0;

}

if(mf<(n+k-1)/k){

return 1;

}

int cnt=0;

for(int i=0;i<26;i++){

if(freq[i]==mf){

cnt++;

}

}

int md=n%k==0?k:n%k;

if(cnt>md){

return 0;

}

return 1;

}

0
replies
1
Shudhanshu Kumar
4 Apr, 2024
``````int mod 1000000007;
long long countGoodNumbers (long long n, long long m){
long long rem=m/9;
rem=((rem*10)%mod+9)%mod;
if (rem>n) return 0;
return (rem*1LL*(n-rem))%mod;
}``````

all sample test cases passed but giving wrong output somewhere…..anyone plz check what's wrong in this solution for the hard one.

1
replies
1
Mayukh Roy
4 Apr, 2024

yeha bhi chini logo ne invade kar dia

0
replies
1
Kulpreet Singh
4 Apr, 2024

binary search use kar

0
replies
Prakhar
4 Apr, 2024

sahi bola bro

0
replies
Video solution
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 industry giants like D.E Shaw and Microsoft ! 💡!! 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 120 is not just about coding; it's a chance to upskill, get hired, and step into the world of enormous career opportunities.

WC 120 Hiring Partners and Exciting Opportunities:

1. Black Currant Labs : Full Time Interview Opportunity ( Freshers Role )

Role: Full Stack Developer

CTC: 6 - 8 LPA

Eligibility: Grad Year 2023 & Below

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.

Criteria: Aim to be among the top 50 percentile and score high to stand out and get a chance to become eligible to receive placement screening form for further procedure ( Graduation year eligibility is mentioned with every offered role in the above section)

Selection Criteria : Our hiring partners select candidates for further screening rounds based on their contest rating, percentile and roles relevant skill based resumes.

Note:
Hiring Opportunities offered with this contest are subjected to participants performance and their

eligibility fulfilling the prerequisit criteria of offered roles (which can be their graduation year, work experience etc).

Contest Format:

Duration: 2 hours of coding excitement.

Problems: 4 High Quality Industry Based Coding Problems.

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

Contest Solution: Weekend Contest 120 Video Solution is now available in the Video Solution Section of the contest and CN Youtube Channel, stay tuned !!

Sample problem for you
Rewards

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Rank 1 - 3 :
M240 Mouse

Rank 4 - CN T-shirt

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
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• The problems will be partially graded. You will get score for passing certain test cases.
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