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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. class Solution {
  5.   public:
  6.     int findFrequency(vector<int> arr, int x) {
  7.         // Your code here
  8.         unordered_map<int,int>m;
  9.         for(auto z:arr)m[z]++;
  10.  
  11.         return m[x];
  12.     }
  13. };
  14. int main() {
  15. 	Solution a;
  16. 	int n;cin>>n;
  17. 	int x;cin>>x;
  18. 	vector<int>v(n);
  19. 	for(int i=0;i<n;i++)cin>>v[i];
  20. 	cout<<a.findFrequency(v,x);
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 5304KB
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https://ideone.com/tjgjha
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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