Compilare: main.cpp: In function 'int main()': main.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lpoint <= i && lvec.size()>=l) ~~~~~~~^~~~ main.cpp:40:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lpoint <= i && lvec.size()>=l) ~~~~~~~~~~~^~~ main.cpp:46:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(upoint < i && uvec.size()>u) ~~~~~~~^~~ main.cpp:46:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(upoint < i && uvec.size()>u) ~~~~~~~~~~~^~