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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6.     vector<int> v1 = {1, 2, 4, 5};
  7.     // Insert element 3 at index 2
  8.     v1.insert(v1.begin() + 2, 3);  // Output: 1 2 3 4 5
  9.  
  10.     // Insert list of elements
  11.     v1.insert(v1.begin() + 4, {4, 5}); // Output: 1 2 3 4 5 4 5
  12.     return 0;
  13. }
  14.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/rwdMRA
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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