Compilare: main.cpp: In function 'int main()': main.cpp:33:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<deqmin.size(); j++) ~^~~~~~~~~~~~~~ main.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<deqmax.size(); j++) g<<deqmax[j].val<<" "; ~^~~~~~~~~~~~~~