Compilare: main.cpp: In function 'int main()': main.cpp:32:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lpoint<=i and lvec.size()>=l) ~~~~~~^~~ main.cpp:32:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(lpoint<=i and lvec.size()>=l) ~~~~~~~~~~~^~~ main.cpp:40:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(upoint<=i and uvec.size()>u) ~~~~~~^~~ main.cpp:40:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(upoint<=i and uvec.size()>u) ~~~~~~~~~~~^~