View Compilation Error

1058787_0_0_23233.cpp: In function `int main()':
1058787_0_0_23233.cpp:24: error: `p' undeclared (first use this function)
1058787_0_0_23233.cpp:24: error: (Each undeclared identifier is reported only once for each function it appears in.)
1058787_0_0_23233.cpp:25: error: `q' undeclared (first use this function)