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  1. #include <iostream>
  2. #include <set>
  3. #include <vector>
  4. #include <utility>
  5.  
  6.  
  7. using namespace std;
  8.  
  9.  
  10. int main() {
  11. 	std::set<int64_t> instance_indices(
  12. 		{-10, 0, 1, 2, 3, 10, 44, 11, 12, 15, 16, 17, 20, 21, 22}
  13. 	);
  14.  
  15. 	std::vector<std::pair<int64_t, int64_t>> continious_intervals;
  16.  
  17. 	int64_t pair_start = *instance_indices.begin();
  18. 	int64_t prev_value = pair_start;
  19. 	auto it = instance_indices.begin(); it++;
  20. 	for (; it != instance_indices.end(); it++) {
  21. 		if (prev_value + 1 != *it) {
  22. 			continious_intervals.push_back({pair_start, prev_value});
  23. 			pair_start = *it;
  24. 		}
  25. 		prev_value = *it;
  26. 	}
  27. 	continious_intervals.push_back({pair_start, prev_value});
  28.  
  29.  
  30. 	for(auto it = continious_intervals.begin(); it != continious_intervals.end(); it++) {
  31. 		cout << "(" << it->first << " , " << it->second << ")" << endl;
  32. 	}
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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(-10 , -10)
(0 , 3)
(10 , 12)
(15 , 17)
(20 , 22)
(44 , 44)
https://ideone.com/WfSCN5
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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