Eroare de compilare: user.cpp:17:1: warning: "/*" within comment user.cpp: In constructor `node::node(int, int, node*)': user.cpp:36: warning: `node::l' will be initialized after user.cpp:34: warning: `node*node::next' user.cpp:37: warning: when initialized here user.cpp: In function `int main()': user.cpp:80: error: `qsort' undeclared (first use this function) user.cpp:80: error: (Each undeclared identifier is reported only once for each function it appears in.) user.cpp:114: warning: comparison between signed and unsigned integer expressions user.cpp:126: warning: int format, long unsigned int arg (arg 2) user.cpp:59: warning: unused variable `int l' user.cpp:130:2: warning: no newline at end of file