View Compilation Error

0_0_4454513_4999.cpp: In function `int main()':
0_0_4454513_4999.cpp:25: error: `count' undeclared (first use this function)
0_0_4454513_4999.cpp:25: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4454513_4999.cpp: In function `float compute()':
0_0_4454513_4999.cpp:44: error: `count' undeclared (first use this function)