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Jun 26th, 2017
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  1. #include <map>
  2. #include <set>
  3. #include <list>
  4. #include <cmath>
  5. #include <ctime>
  6. #include <deque>
  7. #include <queue>
  8. #include <stack>
  9. #include <string>
  10. #include <bitset>
  11. #include <cstdio>
  12. #include <limits>
  13. #include <vector>
  14. #include <climits>
  15. #include <cstring>
  16. #include <cstdlib>
  17. #include <fstream>
  18. #include <numeric>
  19. #include <sstream>
  20. #include <iostream>
  21. #include <algorithm>
  22. #include <unordered_map>
  23.  
  24. using namespace std;
  25.  
  26. vector<int> array_left_rotation(vector<int> a, int n, int k) {
  27.    
  28.     vector<int> buffer(k);
  29.     for (int i=0;i<k;i++) {
  30.         buffer[i]=a[i];
  31.     }
  32.    
  33.     for (int i=0;i<n-k;i++) {
  34.         a[i]=a[i+k];
  35.     }
  36.     for (int i=0;i<k;i++) {
  37.         a[i+n-k]=buffer[i];
  38.     }
  39.    
  40.     return a;
  41. }
  42.  
  43. int main(){
  44.     int n;
  45.     int k;
  46.     cin >> n >> k;
  47.     vector<int> a(n);
  48.     for(int a_i = 0;a_i < n;a_i++){
  49.         cin >> a[a_i];
  50.     }
  51.     vector<int> output = array_left_rotation(a, n, k);
  52.     for(int i = 0; i < n;i++)
  53.         cout << output[i] << " ";
  54.     cout << endl;
  55.     return 0;
  56. }
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