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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. long N, K;
  6. long* A;
  7.  
  8. long sum_depending_on_mid(int m) {
  9. 	long summ = 0;
  10. 	for (int i = 0; i <= N - 1 ; i++) {
  11. 		if(A[i] > m) summ += A[i] - m;
  12. 	}
  13. 	return summ;
  14. }
  15.  
  16. int main() {
  17. 	cin >> N >> K;
  18. 	A = new long[N];
  19. 	for (int i = 0; i < N; i++) {
  20. 		cin >> A[i];
  21. 	}
  22. 	sort(A, A + N);
  23. 	long low = 0;
  24. 	long high = A[N - 1];
  25. 	long mid = 0;
  26. 	while (low != high and sum_depending_on_mid(mid = (low + high) / 2) != K) {
  27. 		long past_low = low;
  28. 		long past_high = high;
  29. 		if (sum_depending_on_mid(mid) < K) {
  30. 			high = mid;
  31. 		} else low = mid;
  32. 		if (past_low == low and past_high == high) {
  33. 			cout << mid;
  34. 			return 0;
  35. 		}
  36. 	}
  37. 	cout << mid;
  38. 	delete[] A;
  39. }
Success #stdin #stdout 0s 4960KB
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https://ideone.com/WC8zdQ
problem 7241. Transit
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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