Eroare de compilare: user.cpp:7:67: error: ‘int y1’ redeclared as different kind of symbol int n, m, a, b, r, l, c, v[1000000], d[100000] ,g, q, p, x ,x1,x2,y1,i, nr; ^ 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/iostream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^