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	#64605456	Utilizator	sandor sara (miau_sara)
Fișier	cerc.cpp	Dimensiune	438 B
Data încărcării	18 Mai 2026, 11:27	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cerc.cpp: In function ‘void backt(int, int)’:
cerc.cpp:8:13: error: ‘cout’ was not declared in this scope
    8 |             cout<<s[j]<<" ";
      |             ^~~~
cerc.cpp:1:1: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
  +++ |+#include <iostream>
    1 | using namespace std;
cerc.cpp:9:9: error: ‘cout’ was not declared in this scope
    9 |         cout<<'\n';
      |         ^~~~
cerc.cpp:9:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
cerc.cpp: In function ‘int main()’:
cerc.cpp:21:5: error: ‘cin’ was not declared in this scope
   21 |     cin>>n;
      |     ^~~
cerc.cpp:21:5: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
cerc.cpp:25:9: error: ‘cout’ was not declared in this scope
   25 |         cout<<"imposibil";
      |         ^~~~
cerc.cpp:25:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?

Cum funcționează evaluarea?