0_0_19458200_13609.cpp:10:19: error: 'int log2 [100005]' redeclared as different kind of symbol
int f[M][S],log2[M],d,m,n,cnt[M],h[M],sa[M],x[M],y[M],rnk[M];
^
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_19458200_13609.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:638:25: note: previous declaration 'double log2(double)'
extern double __cdecl log2 (double);
^
0_0_19458200_13609.cpp: In function 'void RMQ()':
0_0_19458200_13609.cpp:65:9: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
log2[i]=j;
^
0_0_19458200_13609.cpp: In function 'int qry(int, int)':
0_0_19458200_13609.cpp:73:18: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
int k=log2[R-L+2]-1;
^
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