Eroare de compilare: user.cpp:14:8: error: ‘int y0’ redeclared as different kind of symbol int x0,y0; ^ 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:242:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:53:7: error: assignment of function ‘double y0(double)’ y0=v[1].y; ^ user.cpp:53:7: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:62:11: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] v[t].y=y0; ^ user.cpp:70:34: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(v[i].x==x0 && v[i].y==y0) ^ user.cpp:45:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:49:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&v[i].x,&v[i].y); ^