0_0_17967573_9564.cpp:26:9: error: 'LL exp' redeclared as different kind of symbol
LL cost,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_17967573_9564.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_17967573_9564.cpp: In function 'void Init()':
0_0_17967573_9564.cpp:29:10: error: overloaded function with no contextual type information
cost=exp=0;
^
0_0_17967573_9564.cpp: In function 'void dfs(int, int)':
0_0_17967573_9564.cpp:86:7: error: overloaded function with no contextual type information
exp+=1LL*p->w*(n-son[p->v])*son[p->v];
^
0_0_17967573_9564.cpp: In function 'int main()':
0_0_17967573_9564.cpp:98:35: error: invalid operands of types 'double' and '<unresolved overloaded function type>' to binary 'operator*'
printf("%I64d %.2lf\n",cost,2.0*exp/(1.0*n*(n-1)));
^
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