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  1. #include <bits/stdc++.h>
  2. #include <thread>
  3. # include <mutex>
  4. #define int long long
  5. using namespace std;
  6.  
  7.  
  8. int ans=0;
  9.  
  10. mutex m;
  11.  
  12. void fun(int n){
  13. 	for(int i=0;i<n;i++){
  14. 		m.lock();
  15. 		ans++;
  16. 		m.unlock();
  17. 	}
  18. }
  19.  
  20. int32_t main() {
  21.  
  22.  
  23. 	thread t(fun,1000000);
  24. 	thread t2(fun,1000000);
  25.  
  26. 	cout<<ans<<endl;
  27.  
  28. 	t.join();
  29. 	t2.join();
  30.  
  31. 	cout<<ans<<endl;
  32. }
Success #stdin #stdout 0.05s 5436KB
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stdin
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Standard input is empty
stdout
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0
2000000
https://ideone.com/JZq2T6
language:
C++14 (gcc 8.3)
created:
303 days ago
visibility:
public

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