Rezumat problemă

FLdiErase C++

#4682

Să se scrie funcția Erase care va șterge dintr-o listă dublu înlănțuită toate nodurile care memorează numere pare. De exemplu, dacă lista reține valorile 5,3,6,2,1,8, atunci după apelul Erase(prim, ultim), lista va fi 5,3,1.

Fișiere Pracsiu Dan (dnprx) Dan Pracsiu ușoară

Clasa 10 Liste alocate dinamic Operații cu liste dublu înlănțuite

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Detalii

Problema	FLdiErase	Operații I/O	erase.in/erase.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#58337090	Utilizator	Iannis Badica (Iannis211)
Fișier	fldierase.cpp	Dimensiune	1.89 KB
Data încărcării	27 Mai 2025, 23:39	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

fldierase.cpp:17:8: error: redefinition of 'struct nod'
 struct nod

        ^
fldierase.cpp:4:8: error: previous definition of 'struct nod'
 struct nod

        ^
fldierase.cpp:21:8: error: invalid type in declaration before ',' token
 } *prim, *p, *ultim, *r, *t;

        ^
fldierase.cpp: In function 'void create()':
fldierase.cpp:26:14: error: no matching function for call to 'nod::nod()'
     prim=new nod;

              ^
fldierase.cpp:26:14: note: candidates are:
fldierase.cpp:8:5: note: nod::nod(int)
     nod(int x)

     ^
fldierase.cpp:8:5: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:4:8: note: constexpr nod::nod(const nod&)
 struct nod

        ^
fldierase.cpp:4:8: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:4:8: note: constexpr nod::nod(nod&&)
fldierase.cpp:4:8: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:28:16: error: request for member 'info' in '* prim', which is of non-class type 'int'
     cin>>prim->info;

                ^
fldierase.cpp:29:11: error: request for member 'urm' in '* prim', which is of non-class type 'int'
     prim->urm=NULL;

           ^
fldierase.cpp:32:15: error: no matching function for call to 'nod::nod()'
         p=new nod;

               ^
fldierase.cpp:32:15: note: candidates are:
fldierase.cpp:8:5: note: nod::nod(int)
     nod(int x)

     ^
fldierase.cpp:8:5: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:4:8: note: constexpr nod::nod(const nod&)
 struct nod

        ^
fldierase.cpp:4:8: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:4:8: note: constexpr nod::nod(nod&&)
fldierase.cpp:4:8: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:33:17: error: request for member 'info' in '* p', which is of non-class type 'int'
         cin>>p->info;

                 ^
fldierase.cpp:34:12: error: request for member 'urm' in '* p', which is of non-class type 'int'
         p->urm=NULL;

            ^
fldierase.cpp:35:16: error: request for member 'urm' in '* ultim', which is of non-class type 'int'
         ultim->urm=p;

                ^
fldierase.cpp: In function 'void afisare()':
fldierase.cpp:44:18: error: request for member 'info' in '* p', which is of non-class type 'int'
         cout<<p->info<<" ";

                  ^
fldierase.cpp:45:14: error: request for member 'urm' in '* p', which is of non-class type 'int'
         p=p->urm;

              ^
fldierase.cpp: In function 'void sort_descrescator()':
fldierase.cpp:50:16: error: cannot convert 'int*' to 'nod*' in initialization
     for(nod *i=prim;i!=NULL;i=i->urm)

                ^
fldierase.cpp: In function 'void inserare_descrescator(int)':
fldierase.cpp:65:18: error: no matching function for call to 'nod::nod()'
     nod *nou=new nod;

                  ^
fldierase.cpp:65:18: note: candidates are:
fldierase.cpp:8:5: note: nod::nod(int)
     nod(int x)

     ^
fldierase.cpp:8:5: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:4:8: note: constexpr nod::nod(const nod&)
 struct nod

        ^
fldierase.cpp:4:8: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:4:8: note: constexpr nod::nod(nod&&)
fldierase.cpp:4:8: note:   candidate expects 1 argument, 0 provided
fldierase.cpp:68:33: error: request for member 'info' in '* prim', which is of non-class type 'int'
     if (prim==NULL || val>prim->info)

                                 ^
fldierase.cpp:70:17: error: cannot convert 'int*' to 'nod*' in assignment
         nou->urm=prim;

                 ^
fldierase.cpp:71:13: error: cannot convert 'nod*' to 'int*' in assignment
         prim=nou;

             ^
fldierase.cpp:74:17: error: cannot convert 'int*' to 'nod*' in initialization
     nod *curent=prim;

                 ^
fldierase.cpp: In function 'void sterge_ultimul_negativ()':
fldierase.cpp:85:17: error: cannot convert 'int*' to 'nod*' in initialization
     nod *curent=prim;

                 ^
fldierase.cpp:104:20: error: comparison between distinct pointer types 'nod*' and 'int*' lacks a cast [-fpermissive]
     if (ultim_neg==prim)

                    ^
fldierase.cpp:106:20: error: request for member 'urm' in '* prim', which is of non-class type 'int'
         prim=prim->urm;

                    ^
fldierase.cpp: In function 'int main()':
fldierase.cpp:125:5: error: redefinition of 'int main()'
 int main()

     ^
fldierase.cpp:114:5: error: 'int main()' previously defined here
 int main()

     ^
fldierase.cpp:146:22: error: 'Erase' was not declared in this scope
     Erase(prim, ultim);

                      ^

Cum funcționează evaluarea?