Compilare: main.cpp: In function 'void addWord(std::__cxx11::string, nod*)': main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < x.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'std::__cxx11::string findWord(std::__cxx11::string, nod*)': main.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < x.size(); i++) ~~^~~~~~~~~~ main.cpp:72:36: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (crt->rel > nextCrt->rel&& crt->eow != 0 || (crt->rel == 0 && nextCrt->rel == 0 && crt->eow!=0)) ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void addRelevance(std::__cxx11::string, int, nod*)': main.cpp:85:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < x.size(); i++) { ~~^~~~~~~~~~