Eroare de compilare: user.cpp:9:15: error: ‘int y1’ redeclared as different kind of symbol int n,m,x1,x2,y1,y2,i,j,nd,nl,nc,x0,y0,k,rez; ^ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/c++config.h:482, from /usr/include/c++/5/iostream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:251:1: note: previous declaration ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp:9:37: error: ‘int y0’ redeclared as different kind of symbol int n,m,x1,x2,y1,y2,i,j,nd,nl,nc,x0,y0,k,rez; ^ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/c++config.h:482, from /usr/include/c++/5/iostream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:250:1: note: previous declaration ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:57:12: error: assignment of function ‘double y0(double)’ { nl++; y0=1; } ^ user.cpp:57:12: error: cannot convert ‘int’ to ‘double(double) throw ()’ in assignment user.cpp:67:9: warning: pointer to a function used in arithmetic [-Wpointer-arith] A[j+y0][i+x0]=1; ^ user.cpp:67:11: error: invalid types ‘bool [300][300][double (*)(double) throw ()]’ for array subscript A[j+y0][i+x0]=1; ^