View Compilation Error

0_0_33282486_20628.cpp:75:10: error: conflicting declaration 'll a [2000005]'
 ll a[MAXN];
          ^
0_0_33282486_20628.cpp:57:14: note: previous declaration as 'int a [2000005]'
 int cnt = 0, a[MAXN], b[MAXN], c[MAXN];
              ^