Compilare: main.cpp: In function 'int main()': main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<a.size(); i++) ~^~~~~~~~~ main.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<dp.size()-1; j++) ~^~~~~~~~~~~~ main.cpp:51:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<dp.size(); i++) ~^~~~~~~~~~