View Compilation Error

164981_0_12068.cpp: In function `void dfs(int, int)':
164981_0_12068.cpp:9: error: `count' undeclared (first use this function)
164981_0_12068.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
164981_0_12068.cpp: In function `int main()':
164981_0_12068.cpp:61: error: `count' undeclared (first use this function)