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  1. #include <bits/stdc++.h>
  2. #define int long long
  3. using namespace std;
  4. const int MOD = 998244353;
  5.  
  6. int p(int n) {
  7. 	if (n == 0) return 1;
  8. 	int x = p(n / 2);
  9. 	if (n % 2 == 0) return (x * x) % MOD;
  10. 	else return ((x * x) % MOD * 2) % MOD;
  11. }
  12.  
  13. signed main() {
  14. 	ios_base::sync_with_stdio(0);
  15. 	cin.tie(0);
  16. 	int t;
  17. 	cin >> t;
  18. 	int n, k;
  19. 	cin >> n >> k;
  20. 	int a[n];
  21. 	for (int i = 0; i < n; ++i) cin >> a[i];
  22. 	vector <int> vec;
  23. 	vec.push_back(-1);
  24. 	int cnt = 0;
  25. 	for (int i = 0; i < n; ++i) {
  26. 		if (a[i] > k) vec.push_back(i);
  27. 		else ++cnt;
  28. 	}
  29. 	vec.push_back(n);
  30. 	int res = 0;
  31. 	for (int i = 1; i < vec.size(); ++i) {
  32. 		int x = vec[i] - vec[i - 1] - 1;
  33. 		res = (res + (x * (x + 1)) / 2) % MOD;
  34. 	}
  35. 	int res2 = ((p(cnt) - 1) % MOD + MOD) % MOD;
  36. 	cout << res << ' ' << res2;
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 5320KB
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10 15
https://ideone.com/8mBwKx
language:
C++ (gcc 8.3)
created:
12 hours ago
visibility:
public

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