Eroare de compilare: user.cpp:17:13: error: ‘int y0’ redeclared as different kind of symbol int x0 = 1 ,y0 = 1 ; ^ 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:241:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘void Read()’: user.cpp:51:7: error: ISO C++ forbids decrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] --y0; ^ user.cpp:51:7: error: lvalue required as decrement operand user.cpp: In function ‘void Put(int)’: user.cpp:93:8: warning: pointer to a function used in arithmetic [-Wpointer-arith] A[j+y0][k+x0] = true ; ^ user.cpp:93:10: error: invalid types ‘int [205][205][double (*)(double)throw ()]’ for array subscript A[j+y0][k+x0] = true ; ^ user.cpp: In function ‘void BordMatrix()’: user.cpp:110:23: warning: pointer to a function used in arithmetic [-Wpointer-arith] nrline = 2 * N -1 + y0; ^ user.cpp:110:23: warning: pointer to a function used in arithmetic [-Wpointer-arith] user.cpp:110:21: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] nrline = 2 * N -1 + y0; ^