Eroare de compilare: user.cpp:7:16: error: ‘int y1’ redeclared as different kind of symbol int n,m,i,k,x1,y1,t; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/iosfwd:38, from /usr/local/include/c++/4.8.0/ios:38, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:41:11: error: assignment of function ‘double y1(double)’ y1=rad(a[i].y); ^ user.cpp:41:11: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:42:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(x1!=y1) { ^ user.cpp:43:26: error: invalid types ‘int [200005][double(double)throw ()]’ for array subscript if(v[x1]<v[y1]) { ^ user.cpp:48:28: error: invalid types ‘int [200005][double(double)throw ()]’ for array subscript v[x1]+=v[y1]; ^ user.cpp:49:21: error: invalid types ‘int [200005][double(double)throw ()]’ for array subscript v[y1]=x1; ^ user.cpp:56:21: error: invalid types ‘int [200005][double(double)throw ()]’ for array subscript v[y1]+=v[x1]; ^ user.cpp:57:22: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] v[x1]=y1; ^