View Compilation Error

0_0_9988930_25923.cpp: In function `int main()':
0_0_9988930_25923.cpp:216: error: `normal' undeclared (first use this function)
0_0_9988930_25923.cpp:216: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9988930_25923.cpp:216: error: `d' undeclared (first use this function)