Eroare de compilare: user.cpp:20:16: error: ‘int y1’ redeclared as different kind of symbol int n, x1, x2, y1, y2; ^ 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:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int query(int, int, int, int, int)’: user.cpp:104:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (f1 >= 0 && f1 < aint [node].v.size () && aint [node].v [f1].y < y1) ^ user.cpp:104:80: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] while (f1 >= 0 && f1 < aint [node].v.size () && aint [node].v [f1].y < y1) ^ user.cpp: In function ‘int main()’: user.cpp:180:16: error: assignment of function ‘double y1(double)’ y1 = P [i].y; ^ user.cpp:180:16: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:193:15: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] y1++; y2 --; ^ user.cpp:193:15: error: lvalue required as increment operand user.cpp:198:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (y1 > y2) ^ user.cpp:209:45: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (aint [1].v [m].y >= y1) { ^ user.cpp:246:16: error: assignment of function ‘double y1(double)’ y1 = P [i].y; ^ user.cpp:246:16: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:259:15: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] y1++; y2 --; ^ user.cpp:259:15: error: lvalue required as increment operand user.cpp:264:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (y1 > y2) ^ user.cpp:274:45: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (aint [1].v [m].y >= y1) { ^ user.cpp:136:12: warning: unused variable ‘xx2’ [-Wunused-variable] int i, xx2, st, dr, m, f1, f2, ans, T, t; ^