Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:4:34: warning: 'a' is used uninitialized in this function [-Wuninitialized]
{ int zheng=0,fu=0,num1=0,num2=0,a;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:4:34: warning: 'a' is used uninitialized in this function [-Wuninitialized]
{ int zheng=0,fu=0,num1=0,num2=0,a;
^
