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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.   unsigned long long a = 0xffffffffULL;
  8.   cout<<hex<<setw(16)<<setfill('0')<<a<<endl;
  9.   a<<=16;
  10.   cout<<hex<<setw(16)<<setfill('0')<<a<<endl;
  11.   return 0;
  12. }
  13.  
Success #stdin #stdout 0s 2740KB
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stdin
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Standard input is empty
stdout
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00000000ffffffff
0000ffffffff0000
https://ideone.com/qN9OJV
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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