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  1. #include <iostream>
  2. #include <atomic>
  3. #include <thread>
  4. #include <vector>
  5.  
  6. // Deklarasi variabel hitung atomik
  7. std::atomic<int> counter(0);
  8.  
  9. // Fungsi yang akan dijalankan oleh setiap thread
  10. void increment() {
  11.     for (int i = 0; i < 10000; ++i) {
  12.         counter++; // Operasi atomik
  13.     }
  14. }
  15.  
  16. int main() {
  17.     const int num_threads = 10;
  18.     std::vector<std::thread> threads;
  19.  
  20.     // Membuat dan menjalankan thread
  21.     for (int i = 0; i < num_threads; ++i) {
  22.         threads.push_back(std::thread(increment));
  23.     }
  24.  
  25.     // Menunggu semua thread selesai
  26.     for (int i = 0; i < num_threads; ++i) {
  27.         threads[i].join();
  28.     }
  29.  
  30.     // Menampilkan hasil akhir
  31.     std::cout << "Hasil akhir hitungan atomik: " << counter.load() << std::endl; // Membaca nilai atomik
  32.  
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0.01s 5316KB
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Standard input is empty
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Hasil akhir hitungan atomik: 100000
https://ideone.com/4PbgTU
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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