Compilare: main.cpp: In function 'void multimi(long long int, long long int, long long int)': main.cpp:25:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos == divs.size()) { ~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < prim.size() && prim[i] * prim[i] <= b && b > 1; ++i) { ~~^~~~~~~~~~~~~