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View Compilation Error

661079_0_0_23754.cpp: In function `int main()':
661079_0_0_23754.cpp:12: error: call of overloaded `abs(int&)' is ambiguous
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:89: note: candidates are: double std::abs(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:97: note:                 long double std::abs(long double)


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