#include <bits/stdc++.h> 
using namespace std; 

class Directory { 
public: 
    unordered_map<string, unordered_set<string>> children; 
     
    Directory(vector<vector<string>>& edges) { 
        for (auto& edge : edges) { 
            children[edge[0]].insert(edge[1]); 
        } 
    } 
     
    void mkdir(string parent, string folder) { 
        children[parent].insert(folder); 
    } 
     
    void rmdir(string folder) { 
        children.erase(folder); 
        for (auto& pair : children) { 
            pair.second.erase(folder); 
        } 
    } 
     
    int countSubdir(string folder) { 
        int count = 1; 
        for (auto& child : children[folder]) { 
            count += countSubdir(child); 
        } 
        return count; 
    } 
}; 

vector<int> getSubFolders(vector<vector<string>>& existingStructureEdges, vector<string>& queries) { 
    Directory dir(existingStructureEdges); 
    vector<int> results; 
     
    for (string& query : queries) { 
        stringstream ss(query); 
        string operation, x, y; 
        ss >> operation; 
         
        if (operation == "mkdir") { 
            ss >> x >> y; 
            dir.mkdir(x, y); 
        } else if (operation == "rmdir") { 
            ss >> x; 
            dir.rmdir(x); 
        } else if (operation == "count_subdir") { 
            ss >> x; 
            results.push_back(dir.countSubdir(x)); 
        } 
    } 
     
    return results; 
}

File Structure ✅

int min(string str){
unordered_map<char,int>mp;
for(char :str){
  mp[ch]++;
}
unodered_set<int>d;
for(auto it:mp){
  d.insert(it.second);
}
return d.size();

}

Music Teacher ✅
Only 4 test cases pass

Mitsogo Exam Done✅

Manish:
Company Name : Freshworks INC

Role : 1. Application Developer
           2. Software Developer

Package Freshers: 5LPA
Package Experience (1-2 yrs) : 7.5 LPA

Skills Needed : Java , Python , HTML, CSS, Java Script,  SQL and DBMS.

Location: Bangalore and Chennai (currently remote)

Passed out : 2021 - 2025

Round 1 : Coding Assessment Live in Google meet with interviewer (30 mins)

Round 2 : Technical Interview (30 mins)

Round 3 : HR Interview (20 mins)

https://docs.google.com/forms/d/e/1FAIpQLScSh9qPFBce3XvlCUbm4ZpIKuqTcN6IIsdTLPh2WXhAC4XRfQ/viewform?usp=sf_link

Women Day Mathematics Challenge
C++✅

Monthly job postings and freelancer registrations report ✅

Long term Vs short term investment analysis ✅

Nvidia answer ✅

1)011

2)16

3)64 4)i) 100W

ii)OW iii)20W

iv)0.357

5)8 and 16

6)z=0

7)2:1

8)9

9)0.44

10)200

11)40

12)3.0

13)16

14)750 and 50

15)500

16)60

17)5

18)657

19)250 and 96

20)24

https://app.joinsuperset.com/join/#/signup/student?jp=38d74885-556d-43a9-b493-4dcbd0f4af73

2024 batch eligible only