View Compilation Error

39878_0_25583.cpp: In function `void dfs(int, int)':
39878_0_25583.cpp:16: error: `count' undeclared (first use this function)
39878_0_25583.cpp:16: error: (Each undeclared identifier is reported only once for each function it appears in.)
39878_0_25583.cpp: In function `int main()':
39878_0_25583.cpp:64: error: `count' undeclared (first use this function)