Compilare: user.cpp: In function ‘int main()’: user.cpp:38:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<ciclu.size(); ++i) ^ user.cpp:42:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(tip[j]!=4) ^ user.cpp:56:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<ciclu.size()-1; ++j) ^ user.cpp:66:27: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(tip[j]!=4) ^ user.cpp:87:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<ciclu.size();++i) ^