View Compilation Error

0_0_13866081_17531.cpp:4:7: error: 'q' does not name a type
 const q=100010;
       ^
0_0_13866081_17531.cpp: In function 'int main()':
0_0_13866081_17531.cpp:6:32: error: 'q' was not declared in this scope
  int n,p,i,j,now,k,max1,max2,a[q],t;
                                ^
0_0_13866081_17531.cpp:10:16: error: 'a' was not declared in this scope
    scanf("%d",&a[i]);
                ^
0_0_13866081_17531.cpp:13:8: error: 'a' was not declared in this scope
   sort(a,a+n);
        ^