Compilare: main.cpp: In function 'bool eInteresant(std::__cxx11::string)': main.cpp:33:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0; it<interesant.size(); it++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:37:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<str.length() && j<c.length()) ~^~~~~~~~~~~~~ main.cpp:37:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<str.length() && j<c.length()) ~^~~~~~~~~~~ main.cpp:42:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==str.length()) return false; ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(s[i].strin.length()==lmax) ~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:74:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it=0; it<interesant.size(); it++) fout<<interesant[it].strin<<"\n"; ~~^~~~~~~~~~~~~~~~~~