Compilare: user.cpp: In function ‘void citire()’: user.cpp:32:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<=c.size();j++) ^ user.cpp:34:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(c[j]==' ' || j==c.size()) ^ user.cpp: In function ‘void construire()’: user.cpp:62:39: warning: variable ‘powaux’ set but not used [-Wunused-but-set-variable] int a,b,c,d,d1,d2,i,j,l,aux,lgaux,powaux; ^ user.cpp: In function ‘int main()’: user.cpp:134:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,l; ^