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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int xx(int &t);
  6. int main(){
  7.     int x = 2;
  8.     xx(x+1);
  9.     cout << x;
  10. }
  11.  
  12. int xx(int &y){
  13.  
  14. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:8:9: error: invalid initialization of non-const reference of type 'int&' from an rvalue of type 'int'
     xx(x+1);
         ^
prog.cpp:5:5: note:   initializing argument 1 of 'int xx(int&)'
 int xx(int &t);
     ^
stdout
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Standard output is empty
https://ideone.com/U1LFnr
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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