Eroare de compilare: user.cpp:16:23: error: ‘int y0’ redeclared as different kind of symbol int n,k,nr,nl,nc,x0=1,y0=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 ‘void matrice()’: user.cpp:51:21: warning: pointer to a function used in arithmetic [-Wpointer-arith] a[i+y0][j+x0]=1; ^ user.cpp:51:23: error: invalid types ‘char [210][210][double (*)(double)throw ()]’ for array subscript a[i+y0][j+x0]=1; ^ user.cpp: In function ‘void bordare()’: user.cpp:57:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] nl = y0+2*n-1; ^ user.cpp:57:17: warning: pointer to a function used in arithmetic [-Wpointer-arith] nl = y0+2*n-1; ^ user.cpp:57:16: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] nl = y0+2*n-1; ^ user.cpp: In function ‘int main()’: user.cpp:114:19: error: ISO C++ forbids decrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] y0--; ^ user.cpp:114:19: error: lvalue required as decrement operand