Eroare de compilare: main.cpp:6:18: error: 'long long int y1' redeclared as different kind of symbol long long p,n,x1,y1; ^~ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/c++config.h:507, from /usr/include/c++/6/cassert:43, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:1: /usr/include/x86_64-linux-gnu/bits/mathcalls.h:251:1: note: previous declaration 'double y1(double)' __MATHCALL (y1,, (_Mdouble_)); ^ main.cpp: In function 'int main()': main.cpp:27:20: error: invalid conversion from 'double (*)(double) throw ()' to 'long long int' [-fpermissive] cmmdc(p,n,x1,y1); ^ main.cpp:7:6: note: initializing argument 4 of 'void cmmdc(long long int, long long int, long long int&, long long int&)' void cmmdc(long long a,long long b,long long &x,long long &y) ^~~~~ main.cpp:27:20: error: cannot bind rvalue '(long long int)y1' to 'long long int&' cmmdc(p,n,x1,y1); ^ Non zero exit status: 1