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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int arr[] = {1, 2, 3, 1, 4, 5};
  6.     int n = 6;
  7.     int k = 3;
  8.  
  9.     bool found = false;
  10.  
  11.     for(int i = 0; i < n; i++) {
  12.         for(int j = i + 1; j < n; j++) {
  13.             if(arr[i] == arr[j] && j - i <= k) {
  14.                 found = true;
  15.                 break;
  16.             }
  17.         }
  18.         if(found) break;
  19.     }
  20.  
  21.     if(found) cout << "true" << endl;
  22.     else cout << "false" << endl;
  23.  
  24.     return 0;
  25. }
  26.  
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
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true
https://ideone.com/fpIQz1
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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