Compilare: main.cpp: In function 'int main()': main.cpp:46:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<factAux.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:49:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j + 1 < factAux.size() && factAux[j+1].first == factAux[i].first) ~~~~~~^~~~~~~~~~~~~~~~ main.cpp:59:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<fact.size(); i++) ~^~~~~~~~~~~~ main.cpp:67:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<fact.size(); i++) ~^~~~~~~~~~~~