View Compilation Error

0_0_25264200_6290.cpp: In function 'void preCal()':
0_0_25264200_6290.cpp:27:19: error: request for member 'size' in 'dv[i]', which is of non-class type 'int [107]'
   bool p = (dv[i].size() == 1);
                   ^