Rezumat problemă

Combinari1

#4903

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} în care toate elementele au aceeași paritate.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Combinari1	Operații I/O	combinari1.in/combinari1.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64216161	Utilizator	david tontea (tontea_david)
Fișier	combinari1.cpp	Dimensiune	465 B
Data încărcării	23 Aprilie 2026, 12:01	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

combinari1.cpp:5:1: error: expected unqualified-id before ‘int’
    5 | int n, p, s[ 16];
      | ^~~
combinari1.cpp:4:10: error: expected ‘)’ before ‘int’
    4 | ifstream(
      |         ~^
      |          )
    5 | int n, p, s[ 16];
      | ~~~       
combinari1.cpp: In function ‘void afisare()’:
combinari1.cpp:7:29: error: ‘p’ was not declared in this scope
    7 |         for (int i = 1;i <= p;i++)
      |                             ^
combinari1.cpp:8:17: error: ‘cout’ was not declared in this scope
    8 |                 cout << s[i] << " ";
      |                 ^~~~
combinari1.cpp:3:1: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    2 | #include <fstream>
  +++ |+#include <iostream>
    3 | using namespace std;
combinari1.cpp:8:25: error: ‘s’ was not declared in this scope
    8 |                 cout << s[i] << " ";
      |                         ^
combinari1.cpp:9:9: error: ‘cout’ was not declared in this scope
    9 |         cout << endl;
      |         ^~~~
combinari1.cpp:9:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
combinari1.cpp: In function ‘void back(int)’:
combinari1.cpp:12:17: error: ‘p’ was not declared in this scope
   12 |         if (k = p + 1)
      |                 ^
combinari1.cpp:15:30: error: ‘s’ was not declared in this scope
   15 |                 for (int i = s[k + 1] + 1;i <= n-p+k;i++) {
      |                              ^
combinari1.cpp:15:48: error: ‘n’ was not declared in this scope
   15 |                 for (int i = s[k + 1] + 1;i <= n-p+k;i++) {
      |                                                ^
combinari1.cpp: In function ‘int main()’:
combinari1.cpp:27:9: error: ‘cin’ was not declared in this scope
   27 |         cin >> n >> p;
      |         ^~~
combinari1.cpp:27:9: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
combinari1.cpp:27:16: error: ‘n’ was not declared in this scope
   27 |         cin >> n >> p;
      |                ^
combinari1.cpp:27:21: error: ‘p’ was not declared in this scope
   27 |         cin >> n >> p;
      |                     ^
combinari1.cpp:28:9: error: ‘s’ was not declared in this scope
   28 |         s[0] = 0;
      |         ^

Cum funcționează evaluarea?