Eroare de compilare: main.cpp:12:12: error: 'int y0' redeclared as different kind of symbol int n,m,x0,y0,x2,y2; ^~ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/c++config.h:507, from /usr/include/c++/6/cassert:43, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:1: /usr/include/x86_64-linux-gnu/bits/mathcalls.h:250:1: note: previous declaration 'double y0(double)' __MATHCALL (y0,, (_Mdouble_)); ^ main.cpp: In function 'int main()': main.cpp:27:39: error: assignment of function 'double y0(double)' if (a[i][j]=='I') x0=i,y0=j; ^ main.cpp:27:39: error: cannot convert 'int' to 'double(double) throw ()' in assignment main.cpp:46:19: error: no matching function for call to 'std::queue<std::pair<int, int> >::push(<brace-enclosed initializer list>)' Q.push({x0,y0}); M[x0][y0]=b[x0][y0]; ^ In file included from /usr/include/c++/6/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:1: /usr/include/c++/6/bits/stl_queue.h:242:7: note: candidate: void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_queue.h:242:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type& {aka const std::pair<int, int>&}' /usr/include/c++/6/bits/stl_queue.h:247:7: note: candidate: void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_queue.h:247:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::queue<std::pair<int, int> >::value_type&& {aka std::pair<int, int>&&}' main.cpp:46:30: error: invalid types 'int [1010][double(double) throw ()]' for array subscript Q.push({x0,y0}); M[x0][y0]=b[x0][y0]; ^ main.cpp:46:40: error: invalid types 'int [1010][double(double) throw ()]' for array subscript Q.push({x0,y0}); M[x0][y0]=b[x0][y0]; ^ Non zero exit status: 1