Compilare: main.cpp: In function 'int main()': main.cpp:23:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dmax.size() == A) dmax.pop_front(); ~~~~~~~~~~~~^~~~ main.cpp:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dmin.size() == A) dmax.pop_front(); ~~~~~~~~~~~~^~~~ main.cpp:38:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dmax.size() == A) dmax.pop_front(); ~~~~~~~~~~~~^~~~ main.cpp:42:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dmin.size() == A) dmax.pop_front(); ~~~~~~~~~~~~^~~~