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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int a, b;
  7.     cout << "Enter two numbers: ";
  8.     cin >> a >> b;
  9.  
  10.     a = a + b;
  11.     b = a - b;
  12.     a = a - b;
  13.  
  14.     cout << "After swapping:\n";
  15.     cout << "a = " << a << endl;
  16.     cout << "b = " << b << endl;
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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12
13
stdout
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Enter two numbers: After swapping:
a = 13
b = 12
https://ideone.com/OfKLTc
language:
C++ (gcc 8.3)
created:
21 hours ago
visibility:
public

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