/in/foo.cc: In function 'int main()':
/in/foo.cc:4:18: warning: unused variable 'x' [-Wunused-variable]
  int money=0,h,m,x=0,s;
                  ^
/in/foo.cc:4:22: warning: unused variable 's' [-Wunused-variable]
  int money=0,h,m,x=0,s;
                      ^
/in/foo.cc:12:4: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   m+=money/100;
   ~^~~~~~~~~~~