Rezumat problemă

Postordine

#672

Se dă un arbore binar care conține valori numere naturale. Să se afișeze valorile din arbore în urma parcurgerii în postordine.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Structuri de date arborescente Arbori binari

Rezolvă

Detalii

Problema	Postordine	Operații I/O	postordine.in/postordine.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#16167187	Utilizator	Dragne Andrei (abiabo)
Fișier	postordine.cpp	Dimensiune	993 B
Data încărcării	09 Iunie 2019, 21:44	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

postordine.cpp: In function 'void dfs(int)':
postordine.cpp:18:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<a[start_node].size();i++)

                                      ^
postordine.cpp: In function 'int main()':
postordine.cpp:39:28: error: no matching function for call to 'std::vector<int>::push_back(int&, int&)'
         a[i].push_back(y, z);

                            ^
postordine.cpp:39:28: note: candidates are:
In file included from /usr/include/c++/4.8/vector:64:0,
                 from /usr/include/c++/4.8/bits/random.h:34,
                 from /usr/include/c++/4.8/random:50,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from postordine.cpp:1:
/usr/include/c++/4.8/bits/stl_vector.h:901:7: note: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]
       push_back(const value_type& __x)
       ^
/usr/include/c++/4.8/bits/stl_vector.h:901:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/4.8/bits/stl_vector.h:919:7: note: 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]
       push_back(value_type&& __x)
       ^
/usr/include/c++/4.8/bits/stl_vector.h:919:7: note:   candidate expects 1 argument, 2 provided
postordine.cpp:28:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("postordine.in", "r", stdin);

                                         ^
postordine.cpp:29:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("postordine.out", "w", stdout);

                                           ^
postordine.cpp:32:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);

                    ^
postordine.cpp:36:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &x, &y, &z);

                                    ^

Cum funcționează evaluarea?