Compilare: user.cpp: In function ‘int cautare(int)’: user.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<H[k].size(); i++) ^ user.cpp: In function ‘void stergere(int)’: user.cpp:42:27: warning: unused variable ‘i’ [-Wunused-variable] int k=x%MM,poz=cautare(x),i; ^ user.cpp: In function ‘void citire()’: user.cpp:59:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a==3) if(cautare(b)==-1) fout<<'0'<<'\n'; ^