Eroare de compilare: user.cpp:7:14: error: ‘int log2 [100002]’ redeclared as different kind of symbol int log2[NMAX]; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/cstdio:41, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:146:1: error: previous declaration of ‘double log2(double)’ __MATHCALL (log2,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int main()’: user.cpp:18:11: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log2[1]=0; ^ user.cpp:20:15: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log2[i]=log2[i/2]+1; ^ user.cpp:20:25: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log2[i]=log2[i/2]+1; ^ user.cpp:32:21: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript l=log2[b-a+1]; ^ user.cpp:11:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rmq.in","r", stdin); ^ user.cpp:12:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rmq.out","w",stdout); ^ user.cpp:14:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:16:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&mat[i][0]); ^ user.cpp:31:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a,&b); ^