View Compilation Error

0_0_11238320_28033.cpp: In function `int main()':
0_0_11238320_28033.cpp:112: error: `fl' undeclared (first use this function)
0_0_11238320_28033.cpp:112: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11238320_28033.cpp:112: error: `ma' undeclared (first use this function)