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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. 	unsigned int sum = 0;
  7. 	for( int i = 0; i < 20; ++i )
  8. 	{
  9. 		unsigned int input;
  10. 		scanf("%X", &input );
  11. 		sum += input;
  12. 	}
  13. 	sum += sum >> 16;
  14. 	printf("%04X", ~sum & 0xFFFF );
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
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0x0800
0x0000
0x0001
0x1008
0x6162
0x6364
0x6566
0x6768
0x696a
0x6b6c
0x6d6e
0x6f70
0x7172
0x7374
0x7576
0x7761
0x6263
0x6465
0x6667
0x6869
stdout
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3D53
https://ideone.com/dyZfSo
ip sum
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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