Eroare de compilare: user.cpp:227:5: error: ‘int cos’ redeclared as different kind of symbol int cos; ^ 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/cstdio:41, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:64:1: error: previous declaration of ‘double cos(double)’ __MATHCALL (cos,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int Next(Nod*, int)’: user.cpp:240:17: error: overloaded function with no contextual type information cos = Next(X->left,val); ^ user.cpp:241:18: error: cannot resolve overloaded function ‘cos’ based on conversion to type ‘bool’ if (!cos) ^ user.cpp:241:18: error: in argument to unary ! user.cpp: In function ‘int Prev(Nod*, int)’: user.cpp:260:17: error: overloaded function with no contextual type information cos = Prev(X->right,val); ^ user.cpp:261:18: error: cannot resolve overloaded function ‘cos’ based on conversion to type ‘bool’ if (!cos) ^ user.cpp:261:18: error: in argument to unary ! user.cpp: In function ‘int Next(Nod*, int)’: user.cpp:247:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int Prev(Nod*, int)’: user.cpp:267:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:284:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&c); ^ user.cpp:289:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&nr); ^ user.cpp:321:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&nr); ^ user.cpp:343:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&nr); ^ user.cpp:355:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&c);