/in/foo.cc: In function 'int setValue(int, int, bool, int)':
/in/foo.cc:32:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:196:35: error: 'memset' was not declared in this scope
             memset(a, 0, sizeof(a));
                                   ^
/in/foo.cc:238:49: error: 'current_timestamp' was not declared in this scope
         long long startTime = current_timestamp();
                                                 ^
/in/foo.cc:238:19: warning: unused variable 'startTime' [-Wunused-variable]
         long long startTime = current_timestamp();
                   ^~~~~~~~~