View Compilation Error

0_0_1179760_717.cpp: In member function `int Segtree::create(int, int)':
0_0_1179760_717.cpp:21: error: `count' undeclared (first use this function)
0_0_1179760_717.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1179760_717.cpp: In function `int dfs(int)':
0_0_1179760_717.cpp:40: error: `count' undeclared (first use this function)
0_0_1179760_717.cpp: In function `void init()':
0_0_1179760_717.cpp:61: error: `count' undeclared (first use this function)