Rezumat problemă

Combinari

#197

Se citesc două numere naturale nenule n și k. Să se afişeze, în ordine lexicografică, submulțimile de câte k elemente ale mulţimii {1,2,..,n}.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Combinari	Operații I/O	combinari.in/combinari.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64215686	Utilizator	Hiris Patrick (Hiris_Patrick)
Fișier	combinari.cpp	Dimensiune	487 B
Data încărcării	23 Aprilie 2026, 11:50	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

combinari.cpp:5:1: error: expected ‘,’ or ‘;’ before ‘ofstream’
    5 | ofstream cout("combinari.out")
      | ^~~~~~~~
combinari.cpp: In function ‘void afisare()’:
combinari.cpp:9:20: error: ‘p’ was not declared in this scope
    9 |     for(int i=1;i<=p;i++)
      |                    ^
combinari.cpp:10:9: error: ‘cout’ was not declared in this scope
   10 |         cout<<s[i]<<" ";
      |         ^~~~
combinari.cpp:2:1: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 | #include <fstream>
  +++ |+#include <iostream>
    2 | 
combinari.cpp:10:15: error: ‘s’ was not declared in this scope
   10 |         cout<<s[i]<<" ";
      |               ^
combinari.cpp:11:5: error: ‘cout’ was not declared in this scope
   11 |     cout<<endl;
      |     ^~~~
combinari.cpp:11:5: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
combinari.cpp: In function ‘void back(int)’:
combinari.cpp:16:11: error: ‘p’ was not declared in this scope
   16 |     if(k==p+1)
      |           ^
combinari.cpp:19:19: error: ‘s’ was not declared in this scope
   19 |         for(int i=s[k-1]+1;i<=n-p+k;i++)
      |                   ^
combinari.cpp:19:31: error: ‘n’ was not declared in this scope
   19 |         for(int i=s[k-1]+1;i<=n-p+k;i++)
      |                               ^
combinari.cpp: In function ‘int main()’:
combinari.cpp:27:10: error: ‘n’ was not declared in this scope
   27 |     cin>>n>>p;
      |          ^
combinari.cpp:27:13: error: ‘p’ was not declared in this scope
   27 |     cin>>n>>p;
      |             ^
combinari.cpp:28:5: error: ‘s’ was not declared in this scope
   28 |     s[0]=0;
      |     ^

Cum funcționează evaluarea?