Eroare de compilare: user.cpp:9:15: error: ‘int j1’ redeclared as different kind of symbol int m,n,p,i,j,j1,j2,x0=0,y0=0,nx=1,ny=1; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:240:1: error: previous declaration of ‘double j1(double)’ __MATHCALL (j1,, (_Mdouble_)); ^ user.cpp:9:26: error: ‘int y0’ redeclared as different kind of symbol int m,n,p,i,j,j1,j2,x0=0,y0=0,nx=1,ny=1; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:242:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:44:15: error: assignment of function ‘double y0(double)’ y0=1; ^ user.cpp:44:15: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:85:10: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] coada=y0; ^ user.cpp:103:15: error: assignment of function ‘double j1(double)’ for(j1=dr[i].ord1;j1<dr[i].ord2;++j1) ^ user.cpp:103:15: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:103:36: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] for(j1=dr[i].ord1;j1<dr[i].ord2;++j1) ^ user.cpp:103:43: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] for(j1=dr[i].ord1;j1<dr[i].ord2;++j1) ^ user.cpp:103:43: error: lvalue required as increment operand user.cpp:105:17: error: invalid types ‘bool [8000][8000][double(double)throw ()]’ for array subscript a[j1][j2]=1; ^