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  1. #pragma GCC optimize("O3")
  2. #include <bits/stdc++.h>
  3. using namespace std;
  4.  
  5. using ll = long long;
  6. using ld = long double;
  7.  
  8. constexpr int mod = 1e9 + 7;
  9. constexpr int inf = 1e9;
  10. constexpr ll linf = 1e18;
  11. constexpr ld eps = 1e-9;
  12.  
  13. #define fast_io() ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr)
  14. #define all(x) (x).begin(), (x).end()
  15. #define pb push_back
  16. #define fi first
  17. #define se second
  18. #define sz(x) ((int)(x).size())
  19.  
  20. #define here
  21.  
  22. void solve() {
  23.     int n, k; cin >> n >> k;
  24.     vector<int> vc(n);
  25.     for (auto& x : vc) cin >> x;
  26.     sort(all(vc));
  27.     int ans = 0;
  28.     for (int i = 0; i < n; i++) {
  29.         int cnt = 1;
  30.         for (int j = i + 1; j < n && vc[j] - vc[i] <= k; j++) {
  31.             cnt++;
  32.         }
  33.         ans = max(ans, cnt);
  34.     }
  35.     cout << ans << '\n';
  36. }
  37.  
  38. int main() {
  39.     fast_io();
  40. #ifdef here
  41.     freopen("diamond.in", "r", stdin);
  42.     freopen("diamond.out", "w", stdout);
  43. #endif
  44.     int t = 1;
  45. //    cin >> t;
  46.     while (t--) solve();
  47.     return 0;
  48. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/dv8sOT
language:
C++ (gcc 8.3)
created:
14 days ago
visibility:
public

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