View Compilation Error

0_0_37938599_6591.cpp:10:13: error: size of array 'tree' has non-integral type 'double'
 int tree[MAX]; // 线段树
             ^
0_0_37938599_6591.cpp:11:11: error: size of array 'lz' has non-integral type 'double'
 int lz[MAX];   // 延迟标记
           ^