HackerEarth The chocolate rooms problem solution YASH PAL, 31 July 202413 February 2026 In this HackerEarth The chocolate rooms problem solution your task is to take some chocolates from N different rooms. Each room contains the Pi number of chocolates of the same or different brands. You are given an integer K. Write a program to determine whether you can visit each room and find K different brands of chocolates. HackerEarth The chocolate rooms problem solution.#include <iostream>#include <map>#include <string.h>using namespace std;int main(){ int t; scanf("%d", &t); while(t--) { int n, k; string line = ""; scanf("%d%d", &n, &k); map<string, bool> m; string s; int ans = 0; for (int i = 0; i < n; i++) { int p; scanf("%d", &p); while (p--) { cin >> s; if (m.find(s) == m.end()) { ans++; m[s]= 1; } } } if (ans >= k) printf("Yesn"); else printf("Non"); } return 0;} Second solution#include<bits/stdc++.h>using namespace std;#define ll long long int#define MOD 1000000007#define si(a) scanf("%d", &a)#define sl(a) scanf("%lld", &a)#define pi(a) printf("%d", a)#define pl(a) printf("%lld", a)#define pn printf("n")ll pow_mod(ll a, ll b) { ll res = 1; while(b) { if(b & 1) res = (res * a) % MOD; a = (a * a) % MOD; b >>= 1; } return res;}int main() { int t; si(t); assert(t >= 1 && t <= 5); while(t--) { int n, k, p; si(n); si(k); assert(n >= 1 && n <= 100); assert(k >= 1 && k <= 1000); string str; set<string> s; bool poss = false; for(int i = 0; i < n; ++i) { si(p); assert(p >= 1 && p <= 100); for(int j = 0; j < p; ++j) { cin >> str; assert(str.length() >= 1 && str.length() <= 10); s.insert(str); } } if(s.size() >= k) { poss = true; } if(poss) { printf("Yesn"); } else { printf("Non"); } } return 0;} coding problems solutions HackerEarth HackerEarth