Eroare de compilare: user.cpp:17:14: error: ‘int y1’ redeclared as different kind of symbol int x1,x2,xx,y1,y2,yy,i,N,M,MAXX; ^ 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/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘void update(int, int, int, int, int, int, int)’: user.cpp:46:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (hi + 1< aint[node].size()) aintp[node][hi + 1] -= 1; ^ user.cpp: In function ‘void solve(int, int, int)’: user.cpp:59:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<aintp[node].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:142:8: error: assignment of function ‘double y1(double)’ y1 = lower_bound(normy.begin(),normy.end(),p[i].first.second) - normy.begin() + 1; ^ user.cpp:142:8: error: cannot convert ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type {aka int}’ to ‘double(double)throw ()’ in assignment user.cpp:145:32: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] update(1,1,MAXX,x1,x2,y1,y2); ^ user.cpp:33:6: error: initializing argument 6 of ‘void update(int, int, int, int, int, int, int)’ [-fpermissive] void update(int node,int lu,int ru,int x1,int x2,int y1,int y2) ^