/in/foo.cc: In function 'long long unsigned int work(long long unsigned int, long long unsigned int)':
/in/foo.cc:51:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'long long unsigned int work0(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int)':
/in/foo.cc:100:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'long long unsigned int work1(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int)':
/in/foo.cc:109:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^