Compilare: main.cpp: In function 'int main()': main.cpp:44:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lpoint <= i && lvec.size()>=l) ~~~~~~~^~~~ main.cpp:44:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lpoint <= i && lvec.size()>=l) ~~~~~~~~~~~^~~ main.cpp:50:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(upoint <= i && uvec.size()>u) ~~~~~~~^~~~ main.cpp:50:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(upoint <= i && uvec.size()>u) ~~~~~~~~~~~^~