View Compilation Error

0_0_24785821_25283.cpp: In function 'bool FIND(int)':
0_0_24785821_25283.cpp:13:26: error: invalid use of member (did you forget the '&' ?)
     for(int i=0;i<par[u].size;i++)
                          ^
0_0_24785821_25283.cpp: In function 'int main()':
0_0_24785821_25283.cpp:32:13: error: request for member 'clear' in 'par', which is of non-class type 'std::vector<int> [505]'
         par.clear();
             ^