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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. void customSort(vector<int>& arr) {
  7.     vector<int> positive, zeros, negative;
  8.  
  9.  
  10.     for (int num : arr) {
  11.         if (num > 0)
  12.             positive.push_back(num);
  13.         else if (num == 0)
  14.             zeros.push_back(num);
  15.         else
  16.             negative.push_back(num);
  17.     }
  18.  
  19.  
  20.     sort(positive.begin(), positive.end(), greater<int>()); // giảm dần
  21.     sort(negative.begin(), negative.end());                 // tăng dần
  22.  
  23.     // Ghép lại
  24.     arr.clear();
  25.     arr.insert(arr.end(), positive.begin(), positive.end());
  26.     arr.insert(arr.end(), zeros.begin(), zeros.end());
  27.     arr.insert(arr.end(), negative.begin(), negative.end());
  28. }
  29.  
  30. void printArray(const vector<int>& arr) {
  31.     for (int num : arr)
  32.         cout << num << " ";
  33.     cout << endl;
  34. }
  35.  
  36. int main() {
  37.     vector<int> arr = {3, -1, 0, 5, -2, 7, 4, -3};
  38.     customSort(arr);
  39.     cout << "Mang da sap xep: ";
  40.     printArray(arr);
  41.     return 0;
  42. }
  43.  
Success #stdin #stdout 0.01s 5272KB
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Mang da sap xep: 7 5 4 3 0 -3 -2 -1
https://ideone.com/dEhanc
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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