Compilare: main.cpp: In function 'void GenExp(int, int, int)': main.cpp:44:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (s_exp[k-1] + i <= s && i < puteri[fact[k]].size()) ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void GenFact(int)': main.cpp:66:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k < 5 && s_fact[k] <= puteri[1].size()) ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Afisare()': main.cpp:74:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<rez.size(); i++) ~^~~~~~~~~~~