Rezumat problemă

sume_egale

#4497

Se citește un număr natural n (n<31). Determinați în câte moduri se poate partiționa mulțimea {1,2,…,n} în două submulțimi disjuncte A și B astfel încât suma elementelor din submulțimea A să fie egală cu suma elementelor din submulțimea B.

Consola Muresan Ciprian (mcip1977) Ciprian Muresan medie

Clasa 11 Backtracking Probleme diverse

Rezolvă

Detalii

Problema	sume_egale	Operații I/O	tastatură/ecran
Limita timp	2.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#57603167	Utilizator	Manciu Cristina (Manciu_Cristina)
Fișier	sume_egale.cpp	Dimensiune	962 B
Data încărcării	07 Aprilie 2025, 11:59	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

sume_egale.cpp:8:1: error: stray '\302' in program
     int s=0;

 ^
sume_egale.cpp:8:1: error: stray '\240' in program
sume_egale.cpp:8:1: error: stray '\302' in program
sume_egale.cpp:8:1: error: stray '\240' in program
sume_egale.cpp:9:1: error: stray '\302' in program
     for(int i=1;i<=pas;i++)

 ^
sume_egale.cpp:9:1: error: stray '\240' in program
sume_egale.cpp:9:1: error: stray '\302' in program
sume_egale.cpp:9:1: error: stray '\240' in program
sume_egale.cpp:10:1: error: stray '\302' in program
         if(x[i]==v) s=s+i;

 ^
sume_egale.cpp:10:1: error: stray '\240' in program
sume_egale.cpp:10:1: error: stray '\302' in program
sume_egale.cpp:10:1: error: stray '\240' in program
sume_egale.cpp:10:1: error: stray '\302' in program
sume_egale.cpp:10:1: error: stray '\240' in program
sume_egale.cpp:10:1: error: stray '\302' in program
sume_egale.cpp:10:1: error: stray '\240' in program
sume_egale.cpp:11:1: error: stray '\302' in program
     return s;

 ^
sume_egale.cpp:11:1: error: stray '\240' in program
sume_egale.cpp:11:1: error: stray '\302' in program
sume_egale.cpp:11:1: error: stray '\240' in program
sume_egale.cpp:16:1: error: stray '\302' in program
     int sum=suma(pas,x[pas]);

 ^
sume_egale.cpp:16:1: error: stray '\240' in program
sume_egale.cpp:16:1: error: stray '\302' in program
sume_egale.cpp:16:1: error: stray '\240' in program
sume_egale.cpp:17:1: error: stray '\302' in program
     if(sum>S/2) return 0;

 ^
sume_egale.cpp:17:1: error: stray '\240' in program
sume_egale.cpp:17:1: error: stray '\302' in program
sume_egale.cpp:17:1: error: stray '\240' in program
sume_egale.cpp:18:1: error: stray '\302' in program
     if(pas==1 && x[pas]==2) return 0;

 ^
sume_egale.cpp:18:1: error: stray '\240' in program
sume_egale.cpp:18:1: error: stray '\302' in program
sume_egale.cpp:18:1: error: stray '\240' in program
sume_egale.cpp:19:1: error: stray '\302' in program
     return 1;

 ^
sume_egale.cpp:19:1: error: stray '\240' in program
sume_egale.cpp:19:1: error: stray '\302' in program
sume_egale.cpp:19:1: error: stray '\240' in program
sume_egale.cpp:24:1: error: stray '\302' in program
     for(int i=1;i<=n;i++)

 ^
sume_egale.cpp:24:1: error: stray '\240' in program
sume_egale.cpp:24:1: error: stray '\302' in program
sume_egale.cpp:24:1: error: stray '\240' in program
sume_egale.cpp:25:1: error: stray '\302' in program
         cout<<x[i]<<" ";

 ^
sume_egale.cpp:25:1: error: stray '\240' in program
sume_egale.cpp:25:1: error: stray '\302' in program
sume_egale.cpp:25:1: error: stray '\240' in program
sume_egale.cpp:25:1: error: stray '\302' in program
sume_egale.cpp:25:1: error: stray '\240' in program
sume_egale.cpp:25:1: error: stray '\302' in program
sume_egale.cpp:25:1: error: stray '\240' in program
sume_egale.cpp:26:1: error: stray '\302' in program
     cout<<endl;

 ^
sume_egale.cpp:26:1: error: stray '\240' in program
sume_egale.cpp:26:1: error: stray '\302' in program
sume_egale.cpp:26:1: error: stray '\240' in program
sume_egale.cpp:31:1: error: stray '\302' in program
     for(int i=1;i<=2;i++)

 ^
sume_egale.cpp:31:1: error: stray '\240' in program
sume_egale.cpp:31:1: error: stray '\302' in program
sume_egale.cpp:31:1: error: stray '\240' in program
sume_egale.cpp:32:1: error: stray '\302' in program
     {

 ^
sume_egale.cpp:32:1: error: stray '\240' in program
sume_egale.cpp:32:1: error: stray '\302' in program
sume_egale.cpp:32:1: error: stray '\240' in program
sume_egale.cpp:33:1: error: stray '\302' in program
         x[pas]=i;

 ^
sume_egale.cpp:33:1: error: stray '\240' in program
sume_egale.cpp:33:1: error: stray '\302' in program
sume_egale.cpp:33:1: error: stray '\240' in program
sume_egale.cpp:33:1: error: stray '\302' in program
sume_egale.cpp:33:1: error: stray '\240' in program
sume_egale.cpp:33:1: error: stray '\302' in program
sume_egale.cpp:33:1: error: stray '\240' in program
sume_egale.cpp:34:1: error: stray '\302' in program
         if(valid(pas))

 ^
sume_egale.cpp:34:1: error: stray '\240' in program
sume_egale.cpp:34:1: error: stray '\302' in program
sume_egale.cpp:34:1: error: stray '\240' in program
sume_egale.cpp:34:1: error: stray '\302' in program
sume_egale.cpp:34:1: error: stray '\240' in program
sume_egale.cpp:34:1: error: stray '\302' in program
sume_egale.cpp:34:1: error: stray '\240' in program
sume_egale.cpp:35:1: error: stray '\302' in program
         {

 ^
sume_egale.cpp:35:1: error: stray '\240' in program
sume_egale.cpp:35:1: error: stray '\302' in program
sume_egale.cpp:35:1: error: stray '\240' in program
sume_egale.cpp:35:1: error: stray '\302' in program
sume_egale.cpp:35:1: error: stray '\240' in program
sume_egale.cpp:35:1: error: stray '\302' in program
sume_egale.cpp:35:1: error: stray '\240' in program
sume_egale.cpp:36:1: error: stray '\302' in program
             if(pas==n)

 ^
sume_egale.cpp:36:1: error: stray '\240' in program
sume_egale.cpp:36:1: error: stray '\302' in program
sume_egale.cpp:36:1: error: stray '\240' in program
sume_egale.cpp:36:1: error: stray '\302' in program
sume_egale.cpp:36:1: error: stray '\240' in program
sume_egale.cpp:36:1: error: stray '\302' in program
sume_egale.cpp:36:1: error: stray '\240' in program
sume_egale.cpp:36:1: error: stray '\302' in program
sume_egale.cpp:36:1: error: stray '\240' in program
sume_egale.cpp:36:1: error: stray '\302' in program
sume_egale.cpp:36:1: error: stray '\240' in program
sume_egale.cpp:37:1: error: stray '\302' in program
             {

 ^
sume_egale.cpp:37:1: error: stray '\240' in program
sume_egale.cpp:37:1: error: stray '\302' in program
sume_egale.cpp:37:1: error: stray '\240' in program
sume_egale.cpp:37:1: error: stray '\302' in program
sume_egale.cpp:37:1: error: stray '\240' in program
sume_egale.cpp:37:1: error: stray '\302' in program
sume_egale.cpp:37:1: error: stray '\240' in program
sume_egale.cpp:37:1: error: stray '\302' in program
sume_egale.cpp:37:1: error: stray '\240' in program
sume_egale.cpp:37:1: error: stray '\302' in program
sume_egale.cpp:37:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
                 nr++;

 ^
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:38:1: error: stray '\302' in program
sume_egale.cpp:38:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
                 ///afis();

 ^
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:39:1: error: stray '\302' in program
sume_egale.cpp:39:1: error: stray '\240' in program
sume_egale.cpp:40:1: error: stray '\302' in program
             }

 ^
sume_egale.cpp:40:1: error: stray '\240' in program
sume_egale.cpp:40:1: error: stray '\302' in program
sume_egale.cpp:40:1: error: stray '\240' in program
sume_egale.cpp:40:1: error: stray '\302' in program
sume_egale.cpp:40:1: error: stray '\240' in program
sume_egale.cpp:40:1: error: stray '\302' in program
sume_egale.cpp:40:1: error: stray '\240' in program
sume_egale.cpp:40:1: error: stray '\302' in program
sume_egale.cpp:40:1: error: stray '\240' in program
sume_egale.cpp:40:1: error: stray '\302' in program
sume_egale.cpp:40:1: error: stray '\240' in program
sume_egale.cpp:41:1: error: stray '\302' in program
             else bck(pas+1);

 ^
sume_egale.cpp:41:1: error: stray '\240' in program
sume_egale.cpp:41:1: error: stray '\302' in program
sume_egale.cpp:41:1: error: stray '\240' in program
sume_egale.cpp:41:1: error: stray '\302' in program
sume_egale.cpp:41:1: error: stray '\240' in program
sume_egale.cpp:41:1: error: stray '\302' in program
sume_egale.cpp:41:1: error: stray '\240' in program
sume_egale.cpp:41:1: error: stray '\302' in program
sume_egale.cpp:41:1: error: stray '\240' in program
sume_egale.cpp:41:1: error: stray '\302' in program
sume_egale.cpp:41:1: error: stray '\240' in program
sume_egale.cpp:42:1: error: stray '\302' in program
         }

 ^
sume_egale.cpp:42:1: error: stray '\240' in program
sume_egale.cpp:42:1: error: stray '\302' in program
sume_egale.cpp:42:1: error: stray '\240' in program
sume_egale.cpp:42:1: error: stray '\302' in program
sume_egale.cpp:42:1: error: stray '\240' in program
sume_egale.cpp:42:1: error: stray '\302' in program
sume_egale.cpp:42:1: error: stray '\240' in program
sume_egale.cpp:43:1: error: stray '\302' in program
     }

 ^
sume_egale.cpp:43:1: error: stray '\240' in program
sume_egale.cpp:43:1: error: stray '\302' in program
sume_egale.cpp:43:1: error: stray '\240' in program
sume_egale.cpp:48:1: error: stray '\302' in program
     cin>>n;

 ^
sume_egale.cpp:48:1: error: stray '\240' in program
sume_egale.cpp:48:1: error: stray '\302' in program
sume_egale.cpp:48:1: error: stray '\240' in program
sume_egale.cpp:49:1: error: stray '\302' in program
     S=(n*(n+1))/2;

 ^
sume_egale.cpp:49:1: error: stray '\240' in program
sume_egale.cpp:49:1: error: stray '\302' in program
sume_egale.cpp:49:1: error: stray '\240' in program
sume_egale.cpp:50:1: error: stray '\302' in program
     if(S%2==1) cout<<0;

 ^
sume_egale.cpp:50:1: error: stray '\240' in program
sume_egale.cpp:50:1: error: stray '\302' in program
sume_egale.cpp:50:1: error: stray '\240' in program
sume_egale.cpp:51:1: error: stray '\302' in program
     else

 ^
sume_egale.cpp:51:1: error: stray '\240' in program
sume_egale.cpp:51:1: error: stray '\302' in program
sume_egale.cpp:51:1: error: stray '\240' in program
sume_egale.cpp:52:1: error: stray '\302' in program
     {

 ^
sume_egale.cpp:52:1: error: stray '\240' in program
sume_egale.cpp:52:1: error: stray '\302' in program
sume_egale.cpp:52:1: error: stray '\240' in program
sume_egale.cpp:53:1: error: stray '\302' in program
         bck(1);

 ^
sume_egale.cpp:53:1: error: stray '\240' in program
sume_egale.cpp:53:1: error: stray '\302' in program
sume_egale.cpp:53:1: error: stray '\240' in program
sume_egale.cpp:53:1: error: stray '\302' in program
sume_egale.cpp:53:1: error: stray '\240' in program
sume_egale.cpp:53:1: error: stray '\302' in program
sume_egale.cpp:53:1: error: stray '\240' in program
sume_egale.cpp:54:1: error: stray '\302' in program
         cout<<nr;

 ^
sume_egale.cpp:54:1: error: stray '\240' in program
sume_egale.cpp:54:1: error: stray '\302' in program
sume_egale.cpp:54:1: error: stray '\240' in program
sume_egale.cpp:54:1: error: stray '\302' in program
sume_egale.cpp:54:1: error: stray '\240' in program
sume_egale.cpp:54:1: error: stray '\302' in program
sume_egale.cpp:54:1: error: stray '\240' in program
sume_egale.cpp:55:1: error: stray '\302' in program
     }

 ^
sume_egale.cpp:55:1: error: stray '\240' in program
sume_egale.cpp:55:1: error: stray '\302' in program
sume_egale.cpp:55:1: error: stray '\240' in program
sume_egale.cpp:56:1: error: stray '\302' in program
     return 0;

 ^
sume_egale.cpp:56:1: error: stray '\240' in program
sume_egale.cpp:56:1: error: stray '\302' in program
sume_egale.cpp:56:1: error: stray '\240' in program
sume_egale.cpp: In function 'void bck(int, int, int)':
sume_egale.cpp:41:33: error: too few arguments to function 'void bck(int, int, int)'
             else bck(pas+1);

                                 ^
sume_egale.cpp:29:6: note: declared here
 void bck(int pas,int sumA,int sumB)

      ^
sume_egale.cpp: In function 'int main()':
sume_egale.cpp:53:18: error: too few arguments to function 'void bck(int, int, int)'
         bck(1);

                  ^
sume_egale.cpp:29:6: note: declared here
 void bck(int pas,int sumA,int sumB)

      ^

Cum funcționează evaluarea?