Compilare: user.cpp: In function ‘void citeste()’: user.cpp:21:21: warning: variable ‘semnx’ set but not used [-Wunused-but-set-variable] int xinv, yinv, semnx, semny; ^ user.cpp: In function ‘void rezolva_1()’: user.cpp:73:12: warning: unused variable ‘a’ [-Wunused-variable] double a, b; ^ user.cpp:96:21: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] s2 = s2 + min(pista_o[i].second, b) - yg; ^