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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n, k;
  6.     cin>>n>>k;
  7.     int c[16];
  8.     for(int i=0;i<k;i++){
  9.         c[i]=i+1;
  10.     }
  11.     for(int i=0; i<k; i++){
  12.         cout<<c[i];
  13.         if (i<k-1) cout<<" ";
  14.     }
  15.     cout<<endl;
  16.     while(true){
  17.         int p=-1;
  18.         for(int i=k-1; i>=0; i--){
  19.             if(c[i]<n-k+i+1) {
  20.                 p=i;
  21.                 break;
  22.             }
  23.         }
  24.         if(p==-1){
  25.             break;
  26.         }
  27.         c[p]++;
  28.         for(int i=p+1; i<k;i++){
  29.             c[i]=c[i-1]+1;
  30.         }
  31.         for (int i=0; i<k; i++){
  32.             cout <<c[i];
  33.             if (i<k-1) cout<<" ";
  34.         }
  35.         cout<<endl;
  36.     }
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
16 16
stdout 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
https://ideone.com/g7Hmu7
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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