View Compilation Error

0_0_14964493_2732.cpp:9:19: error: size of array 'G' has non-integral type 'double'
 vector<int> G[maxn];
                   ^
0_0_14964493_2732.cpp:10:19: error: size of array 'E' has non-integral type 'double'
 vector<int> E[maxn];
                   ^
0_0_14964493_2732.cpp:13:13: error: size of array 'ina' has non-integral type 'double'
 int ina[maxn];
             ^
0_0_14964493_2732.cpp:14:13: error: size of array 'inb' has non-integral type 'double'
 int inb[maxn];
             ^
0_0_14964493_2732.cpp:15:14: error: size of array 'vis' has non-integral type 'double'
 bool vis[maxn];
              ^
0_0_14964493_2732.cpp:16:13: error: size of array 'sza' has non-integral type 'double'
 int sza[maxn];
             ^
0_0_14964493_2732.cpp:17:13: error: size of array 'szb' has non-integral type 'double'
 int szb[maxn];
             ^