Eroare de compilare: user.cpp:6:21: error: ‘int y1’ redeclared as different kind of symbol int poz,nr,n,m,i,x1,y1,ctc,ap[100003],Q[100003],x[200003],y[200003]; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/cstdio:41, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:28:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d",&y1); ^ user.cpp:30:9: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] y[i]=y1; ^ user.cpp:31:23: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘std::vector<int>::value_type {aka int}’ [-fpermissive] v[x1].push_back(y1); ^ In file included from /usr/local/include/c++/4.8.0/vector:64:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/stl_vector.h:919:7: error: initializing argument 1 of ‘void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]’ [-fpermissive] push_back(value_type&& __x) ^ user.cpp:32:9: error: invalid types ‘std::vector<int> [100003][double(double)throw ()]’ for array subscript h[y1].push_back(x1); ^