Compilare: main.cpp: In function 'bool eInteresant(std::__cxx11::string)': main.cpp:36:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0; it<interesant.size(); it++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:40:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<str.length() && j<c.length()) ~^~~~~~~~~~~~~ main.cpp:40:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<str.length() && j<c.length()) ~^~~~~~~~~~~ main.cpp:45:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==str.length()) return false; ~^~~~~~~~~~~~~~ main.cpp:49:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==str.length()) return false; ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(s[i].strin.length()==lmax && i<n) ~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:81:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0; it<interesant.size(); it++) fout<<interesant[it].strin<<"\n"; ~~^~~~~~~~~~~~~~~~~~