Eroare de compilare: user.cpp:8:68: error: ‘int log [200010]’ redeclared as different kind of symbol int v1[200010],niv[200010],first[100010],sol[20][100010],log[200010],n,m,i,j,x,y,nr,lim,a; ^ 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:110:1: error: previous declaration of ‘double log(double)’ __MATHCALL (log,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int main()’: user.cpp:35:29: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for(i=2;i<=nr;i++) log[i]=log[i/2]+1; ^ user.cpp:35:38: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for(i=2;i<=nr;i++) log[i]=log[i/2]+1; ^ user.cpp:50:22: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript lim=log[y-x+1]; ^ user.cpp:26:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lca.in", "r", stdin); ^ user.cpp:27:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lca.out", "w", stdout); ^ user.cpp:28:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:31:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ user.cpp:46:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^