View Compilation Error

0_0_24909134_8573.cpp: In function 'bool check(int, int)':
0_0_24909134_8573.cpp:80:13: error: request for member 'size' in 'a[v]', which is of non-class type 'int'
   if(P[a[v].size() < 2) return false;
             ^
0_0_24909134_8573.cpp:80:23: error: expected ']' before ')' token
   if(P[a[v].size() < 2) return false;
                       ^