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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6.     int a=20;
  7.     int b=10;
  8.  
  9.     a=a+b;//30
  10.     b=a-b;//20
  11.     a=a-b;
  12.  
  13.     cout<<"a = "<<a<<endl<<"b = "<<b;
  14.  
  15. 	return 0;
  16. }
Success #stdin #stdout 0.01s 5272KB
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stdin
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Standard input is empty
stdout
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a = 10
b = 20
https://ideone.com/ihOpTN
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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