Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:13:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<a[x].size();i++) ^ user.cpp:16:24: error: no match for ‘operator[]’ (operand types are ‘int [16001]’ and ‘__gnu_cxx::__alloc_traits<std::allocator<mazi> >::value_type {aka mazi}’) a[x][i].r=v[a[x][i]]; ^ user.cpp:17:20: error: no match for ‘operator[]’ (operand types are ‘int [16001]’ and ‘__gnu_cxx::__alloc_traits<std::allocator<mazi> >::value_type {aka mazi}’) v[x]+=v[a[x][i]]; ^ user.cpp: In function ‘void meow(int, int)’: user.cpp:22:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<a[x].size();i++) ^ user.cpp:25:17: error: no match for ‘operator+=’ (operand types are ‘int’ and ‘__gnu_cxx::__alloc_traits<std::allocator<mazi> >::value_type {aka mazi}’) v[x]+=a[x][i]; ^ user.cpp:25:26: error: expected ‘}’ at end of input v[x]+=a[x][i]; ^ user.cpp:25:26: error: expected ‘}’ at end of input