Compilare: main.cpp: In function 'int main()': main.cpp:25:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n<= L) ~^~~~ main.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i<= n; i++) ~^~~~ main.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (aux > L) ~~~~^~~ main.cpp:56:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p4 > n && p4 > L) ~~~^~~