View Compilation Error

0_0_11099884_4756.cpp: In function `void dfs(int, int)':
0_0_11099884_4756.cpp:24: error: `count' undeclared (first use this function)
0_0_11099884_4756.cpp:24: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11099884_4756.cpp: In function `int main()':
0_0_11099884_4756.cpp:36: error: `count' undeclared (first use this function)