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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7. 	int smallest = 0, biggest = n + 1, x;
  8. 	for (int i = 1; i < n; ++i) {
  9. 		cin >> x;
  10. 		if (biggest - x >= smallest) {
  11. 			biggest = x;
  12. 		} else {
  13. 		    smallest = x;
  14. 		}
  15. 	}
  16. 	if (biggest - smallest >= 2) {
  17. 		cout << smallest + 1;
  18. 	} else if (smallest == 0) {
  19. 		cout << n;
  20. 	} else {
  21. 	    cout << 1;
  22. 	}
  23. }
  24.  
Success #stdin #stdout 0.01s 5312KB
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https://ideone.com/AioWs1
language:
C++14 (gcc 8.3)
created:
46 minutes ago
visibility:
public

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