Compilare: main.cpp: In function 'void Solve()': main.cpp:17:13: warning: variable 'ascii_ch' set but not used [-Wunused-but-set-variable] int ascii_ch,ascii_prev; ^~~~~~~~ main.cpp:17:22: warning: variable 'ascii_prev' set but not used [-Wunused-but-set-variable] int ascii_ch,ascii_prev; ^~~~~~~~~~ main.cpp:18:37: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized] ascii_ch=(int)ch, ascii_prev=(int)prev; ~~~~~~~~~~^~~~~~~~~~