Compilare: main.cpp: In function 'int main()': main.cpp:24:10: warning: unused variable 'v' [-Wunused-variable] char v[501]="",l[501]=""; ^ main.cpp:24:20: warning: unused variable 'l' [-Wunused-variable] char v[501]="",l[501]=""; ^ main.cpp: In function 'int T(char)': main.cpp:112:1: warning: control reaches end of non-void function [-Wreturn-type] } ^