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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. double funcshn(double);
  5.  
  6. int main(){
  7.     int i = 0;
  8.     double x = 0;
  9.     double y = 10;
  10.     for (i = 0; i < 10; i++){
  11.         x = x + funcshn(y);
  12.     }
  13.     cout << x;
  14. }
  15.  
  16. double funcshn(double &y){
  17.     return y+10;
  18. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
/home/ew5lNQ/ccUbLYm9.o: In function `main':
prog.cpp:(.text.startup+0x2e): undefined reference to `funcshn(double)'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/7tAFbA
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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