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  1. //{ Driver Code Starts
  2. // Initial Template for C++
  3. #include <bits/stdc++.h>
  4. using namespace std;
  5.  
  6.  
  7. // } Driver Code Ends
  8.  
  9. // User function Template for C++
  10.  
  11. /*Function to find frequency of x
  12.  * x : element whose frequency is to be found
  13.  * arr : input vector
  14.  */
  15. class Solution {
  16.   public:
  17.     int findFrequency(vector<int> arr, int x) {
  18.         // Your code here
  19.         int n=arr.size();
  20.         map<int,int>mp;
  21.         for(int num:arr){
  22.             mp[num]++;
  23.         }
  24.         return mp[x];
  25.     }
  26. };
  27.  
  28.  
  29.  
  30. //{ Driver Code Starts.
  31. int main() {
  32.     int t;
  33.     cin >> t;
  34.     cin.ignore();
  35.     while (t--) {
  36.         string line;
  37.         getline(cin, line);
  38.         stringstream ss(line);
  39.         vector<int> arr;
  40.         int num;
  41.         while (ss >> num) {
  42.             arr.push_back(num);
  43.         }
  44.         int x;
  45.         cin >> x;
  46.         cin.ignore();
  47.         Solution ob;
  48.         cout << ob.findFrequency(arr, x) << endl;
  49.     }
  50.  
  51.     return 0;
  52. }
  53. // } Driver Code Ends
Success #stdin #stdout 0.01s 5300KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/0l2NLF
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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