View Compilation Error

0_0_32355489_12685.cpp:8:16: error: two or more data types in declaration of 'check'
 bool check[maxn];
                ^
0_0_32355489_12685.cpp: In function 'void init()':
0_0_32355489_12685.cpp:13:13: error: 'check' was not declared in this scope
         if(!check[i]){
             ^