View Compilation Error

0_0_4658057_30330.cpp:4: error: `const int exp' redeclared as different kind of symbol
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/math.h:153: error: previous declaration of `double exp(double)'
0_0_4658057_30330.cpp:4: error: declaration of `const int exp'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/math.h:153: error: conflicts with previous declaration `double exp(double)'
0_0_4658057_30330.cpp: In function `void deal()':
0_0_4658057_30330.cpp:39: error: invalid operands of types `double' and `double ()(double)' to binary `operator<'