Eroare de compilare: user.cpp:11:12: error: ‘int y1’ redeclared as different kind of symbol int N,K,x1,y1,x2,y2,x,y,a[710],dp[710][710],tree[2000][2000]; pereche p[250000]; ^ 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:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int query_y(int, int, int)’: user.cpp:27:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (y1<=l && r<=y2) return query_x(nod,1,1,N); ^ user.cpp:30:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (y1<=mid) sum=query_y(nod*2,l,mid); ^ user.cpp: In function ‘int main()’: user.cpp:81:18: error: assignment of function ‘double y1(double)’ x1=y1=p[j].i1+1; ^ user.cpp:81:18: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:88:18: error: assignment of function ‘double y1(double)’ x1=y1=p[j].i1+1; ^ user.cpp:88:18: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment