Compilare: user.cpp: In function ‘int to_int()’: user.cpp:30:13: warning: unused variable ‘init’ [-Wunused-variable] int n=0,init=i; ^ user.cpp: In function ‘int solveRotunde()’: user.cpp:52:9: warning: unused variable ‘init’ [-Wunused-variable] int init=++i,x; ^ user.cpp: In function ‘int solvePatrate()’: user.cpp:76:9: warning: unused variable ‘init’ [-Wunused-variable] int init=++i,nr=0,r; ^ In file included from /usr/include/string.h:642:0, from /usr/include/c++/4.8/cstring:42, from user.cpp:3: In function ‘void* memmove(void*, const void*, size_t)’, inlined from ‘void read()’ at user.cpp:18:29: /usr/include/i386-linux-gnu/bits/string3.h:58:72: warning: call to void* __builtin___memmove_chk(void*, const void*, unsigned int, unsigned int) will always overflow destination buffer [enabled by default] return __builtin___memmove_chk (__dest, __src, __len, __bos0 (__dest)); ^