Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:30:18: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
cout << a << ':' << b <<endl;
^~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:30:18: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
cout << a << ':' << b <<endl;
^~~
