View Compilation Error

0_0_11994072_7903.cpp: In function `int main()':
0_0_11994072_7903.cpp:20: error: call of overloaded `abs(int)' is ambiguous
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:97: note: candidates are: long double std::abs(long double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:93: note:                 float std::abs(float)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:89: note:                 double std::abs(double)