0_0_11650413_3902.cpp: In function `int solve(DB, DB, DB, DB, DB&, DB&, DB&)':
0_0_11650413_3902.cpp:49: error: call of overloaded `pow(DB&, double)' is ambiguous
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/math.h:156: note: candidates are: double pow(double, double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:361: note: long double std::pow(long double, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:357: note: float std::pow(float, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:353: note: double std::pow(double, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:349: note: long double std::pow(long double, long double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:345: note: float std::pow(float, float)
0_0_11650413_3902.cpp:50: error: call of overloaded `pow(DB&, double)' is ambiguous
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/math.h:156: note: candidates are: double pow(double, double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:361: note: long double std::pow(long double, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:357: note: float std::pow(float, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:353: note: double std::pow(double, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:349: note: long double std::pow(long double, long double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:345: note: float std::pow(float, float)
0_0_11650413_3902.cpp:66: error: call of overloaded `pow(DB&, double)' is ambiguous
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/math.h:156: note: candidates are: double pow(double, double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:361: note: long double std::pow(long double, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:357: note: float std::pow(float, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:353: note: double std::pow(double, int)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:349: note: long double std::pow(long double, long double)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/cmath:345: note: float std::pow(float, float)
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