0_0_22075274_30079.cpp:20:8: error: 'double exp' redeclared as different kind of symbol
double exp;
^
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_22075274_30079.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:148:18: note: previous declaration 'double exp(double)'
double __cdecl exp(double _X);
^
0_0_22075274_30079.cpp: In function 'void dfs(int, int)':
0_0_22075274_30079.cpp:41:16: error: overloaded function with no contextual type information
exp+=(x*1.0)/num;
^
0_0_22075274_30079.cpp: In function 'int main()':
0_0_22075274_30079.cpp:100:12: error: overloaded function with no contextual type information
exp=0;
^
0_0_22075274_30079.cpp:103:38: error: overloaded function with no contextual type information
printf("%lld %.2lf\n",ans,exp);
^
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