Runtime Error
/in/foo.cc: In function 'int Readint()':
/in/foo.cc:18:13: warning: unused variable 'f' [-Wunused-variable]
int x=0,f=1;char ch;
^
/in/foo.cc: In function 'int Readint()':
/in/foo.cc:18:13: warning: unused variable 'f' [-Wunused-variable]
int x=0,f=1;char ch;
^
