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View Compilation Error

0_0_21674217_17010.cpp:17:19: error: 'int pow' redeclared as different kind of symbol
 int part1, part2, pow, sum_val, tmp_pow;
                   ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_21674217_17010.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:151:18: note: previous declaration 'double pow(double, double)'
   double __cdecl pow(double _X,double _Y);
                  ^
0_0_21674217_17010.cpp: In function 'int get_val(int&)':
0_0_21674217_17010.cpp:25:21: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator*'
         pow = pow * 10;
                     ^
0_0_21674217_17010.cpp: In function 'void init()':
0_0_21674217_17010.cpp:33:9: error: overloaded function with no contextual type information
     pow = 1;
         ^
0_0_21674217_17010.cpp:37:13: error: cannot resolve overloaded function 'pow' based on conversion to type 'int'
     tmp_pow = pow;
             ^
0_0_21674217_17010.cpp: In function 'int main()':
0_0_21674217_17010.cpp:55:31: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator-'
             int fenmu = pow - tmp_pow;
                               ^


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