View Compilation Error

0_0_11208606_26518.cpp: In function `void dfs(int, int)':
0_0_11208606_26518.cpp:17: error: `count' undeclared (first use this function)
0_0_11208606_26518.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11208606_26518.cpp: In function `int main()':
0_0_11208606_26518.cpp:43: error: `count' undeclared (first use this function)