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  1. #include <iostream>
  2. #include <string>
  3.  
  4. std::string dec_to_unary(const int src) {
  5. 	std::string str;
  6. 	for(int i = 0; i < src; ++i)
  7. 		str += "1";
  8. 	return str;
  9. }
  10.  
  11. int main(void) {
  12.  
  13. 	int c_arr[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
  14. 	const int c_arr_size = sizeof(c_arr)/sizeof(int);
  15.  
  16. 	for(size_t i = 0; i < c_arr_size; ++i)
  17. 		std::cout << dec_to_unary(c_arr[i]) << ((i+1 < c_arr_size)?",":"\n");
  18.  
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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,1,11,111,1111,11111,111111,1111111,11111111,111111111
https://ideone.com/DTUvS4
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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