Rezumat problemă

Cerc

#318

Se dau n numere naturale. Determinaţi o aranjare a acestor numere pe un cerc, astfel încât suma produselor de câte două numere vecine să fie maximă.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Cerc	Operații I/O	cerc.in/cerc.out
Limita timp	0.2 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64605390	Utilizator	Pal Vlad (Pal_Vlad_David)
Fișier	cerc.cpp	Dimensiune	1.01 KB
Data încărcării	18 Mai 2026, 11:24	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cerc.cpp:12:1: error: expected ‘,’ or ‘;’ before ‘int’
   12 | int n, s[12], viz[12], v[12], sol[12], smax;
      | ^~~
cerc.cpp: In function ‘void citire()’:
cerc.cpp:15:10: error: ‘n’ was not declared in this scope
   15 |     cin>>n;
      |          ^
cerc.cpp:17:14: error: ‘v’ was not declared in this scope
   17 |         cin>>v[i];
      |              ^
cerc.cpp:20:12: error: ‘v’ was not declared in this scope
   20 |         if(v[i]>v[j])
      |            ^
cerc.cpp: In function ‘void backt(int, int)’:
cerc.cpp:29:10: error: ‘n’ was not declared in this scope
   29 |     if(i>n)
      |          ^
cerc.cpp:31:15: error: ‘v’ was not declared in this scope
   31 |         if(sp+v[s[n]]*v[s[i]]>smax)
      |               ^
cerc.cpp:31:17: error: ‘s’ was not declared in this scope
   31 |         if(sp+v[s[n]]*v[s[i]]>smax)
      |                 ^
cerc.cpp:31:31: error: ‘smax’ was not declared in this scope
   31 |         if(sp+v[s[n]]*v[s[i]]>smax)
      |                               ^~~~
cerc.cpp:35:17: error: ‘sol’ was not declared in this scope
   35 |                 sol[j]=s[j];
      |                 ^~~
cerc.cpp:40:12: error: ‘viz’ was not declared in this scope
   40 |         if(viz[j]==0)
      |            ^~~
cerc.cpp:42:9: error: ‘s’ was not declared in this scope
   42 |         s[i]=j;
      |         ^
cerc.cpp:44:23: error: ‘v’ was not declared in this scope
   44 |         backt(i+1, sp+v[s[i-1]]*v[j]);
      |                       ^
cerc.cpp: In function ‘int main()’:
cerc.cpp:52:5: error: ‘s’ was not declared in this scope
   52 |     s[1]=1;
      |     ^
cerc.cpp:53:5: error: ‘viz’ was not declared in this scope
   53 |     viz[1]=1;
      |     ^~~
cerc.cpp:55:21: error: ‘n’ was not declared in this scope
   55 |     for(int i=1 ;i<=n; i++)
      |                     ^
cerc.cpp:56:15: error: ‘v’ was not declared in this scope
   56 |         cout<<v[sol[i]]<<" ";
      |               ^
cerc.cpp:56:17: error: ‘sol’ was not declared in this scope
   56 |         cout<<v[sol[i]]<<" ";
      |                 ^~~

Cum funcționează evaluarea?