Compilare: main.cpp: In function 'int get_dif1(char*, char*, int, int)': main.cpp:34:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (idx >= v.size()-1){ /// sunt fix pe ultimul element ~~~~^~~~~~~~~~~~~ main.cpp:42:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (idx >= v.size()) /// inseamna ca am reusit sa l potrivesc ~~~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:134:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L[nod].size();i++){ ~^~~~~~~~~~~~~~