Compilare: user.cpp: In function ‘str detmax(std::vector<int>)’: user.cpp:28:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<h.size();i++) ^ user.cpp:30:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<h.size();i++) ^ user.cpp:32:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1;j<h.size();j++) ^ user.cpp:34:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j<h.size()) break; ^ user.cpp:36:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==h.size()) ^ user.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<h.size();i++) ^ user.cpp:86:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<h.size();i++) ^ user.cpp:81:5: warning: ‘tip’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(tip==1) return acr; ^