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:50:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k == nr_fact && s_exp[k] == s && a <= nr[k] && nr[k] <= b) ~~^~~~~~~~ main.cpp:50:76: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k == nr_fact && s_exp[k] == s && a <= nr[k] && nr[k] <= b) ~~~~~~^~~~ main.cpp:52:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (k < nr_fact && s_exp[k] < s && nr[k] < b) ~~~~~~^~~ main.cpp: In function 'void GenFact(int)': main.cpp:68:34: 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:76:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<rez.size(); i++) ~^~~~~~~~~~~