Time Exceeded
/in/foo.cc: In function 'int main()':
/in/foo.cc:67:15: warning: 'father' may be used uninitialized in this function [-Wmaybe-uninitialized]
printf("%d %d\n",father,res);
~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:67:15: warning: 'father' may be used uninitialized in this function [-Wmaybe-uninitialized]
printf("%d %d\n",father,res);
~~~~~~^~~~~~~~~~~~~~~~~~~~~~
