0_0_22377824_14262.cpp:10:16: error: 'double nan [10010]' redeclared as different kind of symbol
double nan[maxn],nv[maxn];
^
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_22377824_14262.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:931:25: note: previous declaration 'double nan(const char*)'
extern double __cdecl nan(const char *tagp);
^
0_0_22377824_14262.cpp: In function 'int main()':
0_0_22377824_14262.cpp:55:33: error: invalid conversion from 'double (*)(const char*)' to 'void*' [-fpermissive]
qsort(nan,n,sizeof(double),cmp);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdlib:72:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:59,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
from 0_0_22377824_14262.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/stdlib.h:353:16: note: initializing argument 1 of 'void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'
void __cdecl qsort(void *_Base,size_t _NumOfElements,size_t _SizeOfElements,int (__cdecl *_PtFuncCompare)(const void *,const void *));
^
0_0_22377824_14262.cpp:58:16: error: cannot convert 'double (*)(const char*)' to 'double*' for argument '1' to 'void h(double*, double*, int, int)'
h(nan,nv,n,m);
^
0_0_22377824_14262.cpp:60:16: error: cannot convert 'double (*)(const char*)' to 'double*' for argument '2' to 'void h(double*, double*, int, int)'
h(nv,nan,m,n);
^
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