View Compilation Error

0_0_30027640_20236.cpp:9:27: error: conflicting declaration 'int check [5000100]'
 int prime[N / 10], check[N], ptot;
                           ^
0_0_30027640_20236.cpp:8:6: note: previous declaration as 'bool check [5000100]'
 bool check[N];
      ^