Compilare: main.cpp: In function 'void del()': main.cpp:53:10: warning: variable 'ok' set but not used [-Wunused-but-set-variable] bool ok=false; ^~ main.cpp: In function 'void nrap()': main.cpp:70:10: warning: variable 'ok' set but not used [-Wunused-but-set-variable] bool ok=false; ^~ main.cpp: In function 'void prefix()': main.cpp:85:34: warning: unused variable 'p' [-Wunused-variable] int nod=0,j=0,n=strlen(w),i,p; ^ main.cpp: In function 'void nrap()': main.cpp:69:32: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] int nod=0,j=0,n=strlen(w),i; ^