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Imran2544

Walid

May 10th, 2019
177
0
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C++ 0.39 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     std::vector<int> v;
  7.     int n, i=-1, cnt=0;
  8.     while (cin>>n) {
  9.         v.push_back(n);
  10.         i++;
  11.         if (i>0) {
  12.             if (v[i]==v[i-1]) {
  13.                 cnt++;
  14.                 if (cnt==2)
  15.                     cout << v[i] << '\n';
  16.             }
  17.             else cnt=0;
  18.         }
  19.     }
  20.     return 0;
  21. }
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