- #include <iostream> 
- #include <bitset> 
- using namespace std; 
-   
- int main() { 
- 	std::bitset<32> mybit(-3); 
- 	int mybit_int = (int)(mybit.to_ulong()); 
- 	cout << mybit_int << endl; 
- 	return 0; 
- } 
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