Eroare de compilare: user.cpp:5:29: error: ‘int log [100001]’ redeclared as different kind of symbol int r[100001][16],log[100001]; ^ 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/iostream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:110:1: error: previous declaration of ‘double log(double)’ __MATHCALL (log,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int main()’: user.cpp:12:10: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log[1]=0; ^ user.cpp:14:12: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log[i]=1+log[i/2]; ^ user.cpp:14:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log[i]=1+log[i/2]; ^ user.cpp:23:18: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript l=log[b-a+1]; ^ user.cpp:11:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ user.cpp:16:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&r[i][0]); ^ user.cpp:22:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&a,&b); ^