Eroare de compilare: user.cpp:4:33: error: ‘int log [100001]’ redeclared as different kind of symbol int r[MAXN][17],v[MAXN],log[MAXN]; ^ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/c++config.h:482, from /usr/include/c++/5/cstdio:41, from user.cpp:1: /usr/include/bits/mathcalls.h:109:1: note: previous declaration ‘double log(double)’ __MATHCALL_VEC (log,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int main()’: user.cpp:21:14: warning: pointer to a function used in arithmetic [-Wpointer-arith] log[i]=1+log[i>>1]; ^ user.cpp:21:26: warning: pointer to a function used in arithmetic [-Wpointer-arith] log[i]=1+log[i>>1]; ^ user.cpp:21:26: warning: pointer to a function used in arithmetic [-Wpointer-arith] user.cpp:21:15: error: assignment of read-only location ‘*(log + ((sizetype)i))’ log[i]=1+log[i>>1]; ^ user.cpp:21:15: error: cannot convert ‘double (*)(double) throw ()’ to ‘double(double) throw ()’ in assignment user.cpp:25:20: warning: pointer to a function used in arithmetic [-Wpointer-arith] l=log[b-a+1]; ^ user.cpp:25:20: warning: pointer to a function used in arithmetic [-Wpointer-arith] user.cpp:25:20: error: invalid conversion from ‘double (*)(double) throw ()’ to ‘int’ [-fpermissive] 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:13:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^ user.cpp:24:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&a,&b); ^