View Compilation Error

0_0_2686032_21979.cpp: In function `void per(int*, int, int)':
0_0_2686032_21979.cpp:8: error: `count' undeclared (first use this function)
0_0_2686032_21979.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2686032_21979.cpp: In function `int main()':
0_0_2686032_21979.cpp:31: error: `count' undeclared (first use this function)