Compilare: main.cpp: In function 'int median(int)': main.cpp:29:6: warning: unused variable 'i' [-Wunused-variable] {int i,mij,st=0,dr=v.size()-1,k; ^ main.cpp:29:31: warning: unused variable 'k' [-Wunused-variable] {int i,mij,st=0,dr=v.size()-1,k; ^ main.cpp: In function 'int maxlenght()': main.cpp:42:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v.size();i++) ~^~~~~~~~~