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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. std::string desc( unsigned int sum, unsigned int size ) {
  6. 	if ( sum == size ) {
  7. 		return "all 1";
  8. 	}
  9. 	if ( sum == 0 ) {
  10. 		return "all 0";
  11. 	}
  12. 	return "mixed";
  13. }
  14.  
  15. int main() {
  16. 	unsigned char data_1[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
  17. 	unsigned char data_0[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
  18. 	unsigned char data_01[] = { 0, 0, 0, 0, 0, 1, 1, 1, 1, 1 };
  19. 	unsigned int data_1_size = sizeof( data_1 ) / sizeof( data_1[ 0 ] );
  20. 	unsigned int data_0_size = sizeof( data_0 ) / sizeof( data_0[ 0 ] );
  21. 	unsigned int data_01_size = sizeof( data_01 ) / sizeof( data_01[ 0 ] );
  22. 	unsigned int sum_1 = std::accumulate( data_1, data_1 + data_1_size, 0 );
  23. 	unsigned int sum_0 = std::accumulate( data_0, data_0 + data_0_size, 0 );
  24. 	unsigned int sum_01 = std::accumulate( data_01, data_01 + data_01_size, 0 );
  25. 	cout << "data_1 is " << desc( sum_1, data_1_size ) << endl;
  26. 	cout << "data_0 is " << desc( sum_0, data_0_size ) << endl;
  27. 	cout << "data_01 is " << desc( sum_01, data_01_size ) << endl;
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin 
Standard input is empty
stdout 
data_1 is all 1
data_0 is all 0
data_01 is mixed
https://ideone.com/wUGNRI
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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