View Compilation Error

0_0_4874357_26172.cpp: In function `void gcd(int, int, int&, int&, int&)':
0_0_4874357_26172.cpp:21: error: too few arguments to function `void gcd(int, int, int&, int&, int&)'
0_0_4874357_26172.cpp:22: error: at this point in file
0_0_4874357_26172.cpp:22: error: `gcd(<expression error>)' has type `void' and is not a throw-expression
0_0_4874357_26172.cpp:22: error: return-statement with a value, in function returning 'void'
0_0_4874357_26172.cpp: In function `int main()':
0_0_4874357_26172.cpp:21: error: too few arguments to function `void gcd(int, int, int&, int&, int&)'
0_0_4874357_26172.cpp:30: error: at this point in file
0_0_4874357_26172.cpp:30: error: void value not ignored as it ought to be