Rezumat problemă

Siruri

#204

Se citesc două numere naturale nenule n și m. Să se determine toate şirurile cu m elemente din mulţimea {1,2,..,n}, ordonate strict crescător, cu proprietatea că oricare două elemente consecutive în şir au diferenţa mai mică sau egală cu cu 2.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Siruri	Operații I/O	siruri.in/siruri.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64338611	Utilizator	Anghel Maria Daria (Anghel__Maria)
Fișier	siruri.cpp	Dimensiune	604 B
Data încărcării	30 Aprilie 2026, 12:47	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

siruri.cpp:2:1: error: ‘ifstream’ does not name a type
    2 | ifstream f("siruri.in");
      | ^~~~~~~~
siruri.cpp:3:1: error: ‘ofstream’ does not name a type
    3 | ofstream g("siruri.out");
      | ^~~~~~~~
siruri.cpp: In function ‘void afis(int)’:
siruri.cpp:11:24: error: ‘g’ was not declared in this scope
   11 |     for (i=1;i<=k;i++) g<<x[i]<<" ";
      |                        ^
siruri.cpp:12:5: error: ‘cout’ was not declared in this scope
   12 |     cout<<endl;
      |     ^~~~
siruri.cpp:2:1: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 | #include<fstream>
  +++ |+#include <iostream>
    2 | ifstream f("siruri.in");
siruri.cpp: In function ‘int valid(int)’:
siruri.cpp:19:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   19 |     for (i=1;i<k;i++)
      |     ^~~
siruri.cpp:21:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   21 |         return 1;
      |         ^~~~~~
siruri.cpp: In function ‘void bkt(int)’:
siruri.cpp:30:11: error: ‘k’ was not declared in this scope
   30 |     valid(k);
      |           ^
siruri.cpp: In function ‘int main()’:
siruri.cpp:39:5: error: ‘f’ was not declared in this scope
   39 |     f>>n>>m;
      |     ^

Cum funcționează evaluarea?