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  1. #include <iostream>
  2. #include<vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	vector<int> a={1,3,4,5,2,7,8};
  8. 	vector<int> f;
  9. 	int k=8;
  10. 	for(int i=0;i<a.size();i++) {
  11. 		for(int j=i+1;j<a.size();j++) {
  12. 			if(a[i]+a[j]==k) {
  13. 				cout<<a[i]<<a[j]<<endl;
  14. 			}
  15. 		}
  16. 	}
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/oVOlUC
language:
C++14 (gcc 8.3)
created:
14 hours ago
visibility:
public

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