Compilare: main.cpp: In function 'int main()': main.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); i++) ~~^~~~~~~~~~ main.cpp:59:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < v.size() && v[j] == v[i]) ~~^~~~~~~~~~ main.cpp: In function 'int log_pow(int, int)': main.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type] } ^