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  1. #include <iostream>
  2. #include <vector>
  3.  
  4.  
  5. template<typename X>
  6. inline  void print(X && x) {
  7. 	auto first = std::begin(x);
  8. 	auto last = std::end(x);
  9. 	while (first != last) {		
  10. 		auto next = first + 1;		
  11. 		while (next != last &&  next - first == *next - *first){
  12. 			++next;			
  13. 		}
  14. 		std::cout << *first;
  15. 		if (next - first > 1) {
  16. 			std::cout << "-" << *first + next - first - 1;
  17. 		}		
  18. 		if (next != last) {
  19. 			std::cout << ",";
  20. 		}
  21. 		first = next;
  22. 	}
  23. 	std::cout << std::endl;
  24. }
  25.  
  26. inline  void print(std::initializer_list<int> x) {
  27. 	print<std::initializer_list<int>>(std::move(x));
  28. }
  29.  
  30. int main(){
  31.    int a[] = { 1, 2, 3, 4, 7, 9, 10 };
  32.    print(a);
  33.    auto v = std::vector<int>{ 1, 2, 3, 4, 7, 9, 10 };
  34.    print(v);
  35.    print({ 1, 2, 3, 4, 7, 9, 10 });
  36.    return 0;	
  37. }
Success #stdin #stdout 0s 3416KB
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stdin
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Standard input is empty
stdout
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1-4,7,9-10
1-4,7,9-10
1-4,7,9-10
https://ideone.com/B1EZRG
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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