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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     // Optimize I/O speed
  8.     ios_base::sync_with_stdio(false);
  9.     cin.tie(NULL);
  10.  
  11.     int n;
  12.     if (!(cin >> n)) return 0;
  13.  
  14.     vector<long long> a(n), b(n);
  15.     for (int i = 0; i < n; i++) cin >> a[i];
  16.     for (int i = 0; i < n; i++) cin >> b[i];
  17.  
  18.     int i = 0, j = 0;
  19.  
  20.     // Merge the 2 arrays using the two pointers technique
  21.     while (i < n && j < n) {
  22.         if (a[i] <= b[j]) {
  23.             cout << a[i] << " ";
  24.             i++;
  25.         } else {
  26.             cout << b[j] << " ";
  27.             j++;
  28.         }
  29.     }
  30.  
  31.     // Print remaining elements of array A (if any)
  32.     while (i < n) {
  33.         cout << a[i] << " ";
  34.         i++;
  35.     }
  36.  
  37.     // Print remaining elements of array B (if any)
  38.     while (j < n) {
  39.         cout << b[j] << " ";
  40.         j++;
  41.     }
  42.  
  43.     return 0;
  44. }
Success #stdin #stdout 0.01s 5324KB
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https://ideone.com/KNsGXT
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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