0_0_2939384_6074.cpp: In function `void dfs(int, int)':
0_0_2939384_6074.cpp:33: error: call of overloaded `pow(int&, int)' 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_2939384_6074.cpp:35: error: call of overloaded `pow(int&, int)' 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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