Compilare: main.cpp: In function 'void inmul(std::vector<int>, int, std::vector<int>&)': main.cpp:17:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i<a.size(); i++, x = x/10) ~^~~~~~~~~ main.cpp: In function 'void adun(std::vector<int>&, std::vector<int>)': main.cpp:32:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i<min(a.size(), b.size()); i++, x = x/10) ~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = a.size(); i < b.size(); i++, x = x/10) ~~^~~~~~~~~~ main.cpp:42:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = b.size(); i < a.size(); i++, x = x/10) ~~^~~~~~~~~~