View Compilation Error

0_0_36568094_140.cpp:11:13: error: size of array 'vis' has non-integral type 'double'
 int vis[maxn], pri[maxn], tot;
             ^
0_0_36568094_140.cpp:11:24: error: size of array 'pri' has non-integral type 'double'
 int vis[maxn], pri[maxn], tot;
                        ^
0_0_36568094_140.cpp:12:10: error: size of array 'a' has non-integral type 'double'
 ll a[maxn];
          ^