fork download
  1. #include<bits/stdc++.h>
  2. using namespace std ;
  3. void backtrack( vector<int> a , int n , int k ) {
  4. int i = k ;
  5. while ( i > 0 && a[i] - 1 == a[i - 1] )
  6. i-- ;
  7. if ( i == 0 ){
  8. cout << 0 ;
  9. return ;
  10. }
  11. a[i]-- ;
  12. for ( int j = i + 1 ; j <= k ; j++ ){
  13. a[j] = n - k + j ;
  14. }
  15. for ( int i = 1 ; i <= k ; i++ ){
  16. cout << a[i] << " " ;
  17. }
  18. }
  19. int main(){
  20. int n , k ;
  21. cin >> n >> k ;
  22. vector<int> a(k+1) ;
  23. for ( int i = 1 ; i <= k ; i++ )
  24. cin >> a[i] ;
  25. a[0] = 0 ;
  26. backtrack( a , n , k ) ;
  27. }
  28.  
Success #stdin #stdout 0.01s 5320KB
stdin
Standard input is empty
stdout
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