Eroare de compilare: user.cpp:15:15: error: ‘int y0’ redeclared as different kind of symbol int x0 , x1 , y0 , y1; ^ 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:242:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp:15:20: error: ‘int y1’ redeclared as different kind of symbol int x0 , x1 , y0 , y1; ^ 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 main()’: user.cpp:33:28: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d %d", &x0, &y0); ^ user.cpp:34:28: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d %d", &x1, &y1); ^ user.cpp:42:14: error: invalid types ‘int [1010][double(double)throw ()]’ for array subscript dp[x0][y0] = 0; ^ user.cpp:43:19: error: invalid user-defined conversion from ‘<brace-enclosed initializer list>’ to ‘std::queue<std::pair<int, int> >::value_type&& {aka std::pair<int, int>&&}’ [-fpermissive] q.push({x0,y0}); ^ In file included from /usr/include/c++/4.8/utility:70:0, from /usr/include/c++/4.8/algorithm:60, from user.cpp:2: /usr/include/c++/4.8/bits/stl_pair.h:112:26: note: candidate is: constexpr std::pair<_T1, _T2>::pair(const _T1&, const _T2&) [with _T1 = int; _T2 = int] <near match> _GLIBCXX_CONSTEXPR pair(const _T1& __a, const _T2& __b) ^ /usr/include/c++/4.8/bits/stl_pair.h:112:26: note: no known conversion for argument 2 from ‘double(double)throw ()’ to ‘const int&’ user.cpp:43:19: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘const int&’ [-fpermissive] q.push({x0,y0}); ^ In file included from /usr/include/c++/4.8/utility:70:0, from /usr/include/c++/4.8/algorithm:60, from user.cpp:2: /usr/include/c++/4.8/bits/stl_pair.h:112:26: error: initializing argument 2 of ‘constexpr std::pair<_T1, _T2>::pair(const _T1&, const _T2&) [with _T1 = int; _T2 = int]’ [-fpermissive] _GLIBCXX_CONSTEXPR pair(const _T1& __a, const _T2& __b)