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  1. /* Authors: Vu Hoang Bach from Phuoc Hoa Secondary School */
  2. /* Enjoy TheFatRat's music while reading my code. Link: https://w...content-available-to-author-only...e.com/watch?v=GCx9FU59FJc&t=669s */
  3.  
  4. //#pragma GCC optimize("O3", "unroll-loops")
  5. //#pragma GCC target("avx2", "bmi", "bmi2", "lzcnt", "popcnt")
  6.  
  7. #include <bits/stdc++.h>
  8. #define ldb long double
  9. //#define double ldb
  10. #define db double
  11. #define name "test"
  12. #define unomap unordered_map
  13. #define unoset unordered_set
  14. #define endl '\n'
  15. #define str string
  16. #define strstr stringstream
  17. #define sz(a) a.size()
  18. #define ll long long
  19. //#define int ll
  20. #define pii pair <int, int>
  21. #define pll pair <ll, ll>
  22. #define Unique(a) a.resize(unique(all(a)) - a.begin())
  23. #define ull unsigned ll
  24. #define fir first
  25. #define sec second
  26. #define idc cin.ignore()
  27. #define lb lower_bound
  28. #define ub upper_bound
  29. #define all(s) s.begin(), s.end()
  30. #define rev reverse
  31. #define sigma ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  32. #define skibidi int main
  33. #define rizz signed main
  34. #define gcd __gcd
  35. #define found(a, mp) mp.find(a) != mp.end()
  36. #define game_over exit(0);
  37. #define stfu return 0;
  38. #define stop break;
  39. #define odd(n) n & 1
  40. #define pushb push_back
  41. #define popb pop_back
  42. #define pushf push_front
  43. #define popf pop_front
  44. #define even(n) !odd(n)
  45. #define mul2x(a, x) a << x
  46. #define div2x(a, x) a >> x
  47. #define no_check continue;
  48. #define lcm(a, b) a / __gcd(a, b) * b
  49. #define log_base(x, base) log(x) / log(base)
  50. #define debug clog << "No errors!"; game_over;
  51. #define forw(i, a, b) for (int i = a; i <= b; ++i)
  52. #define forw2(i, a, b) for (ll i = a; i <= b; ++i)
  53. #define fors(i, a, b) for (int i = a; i >= b; --i)
  54. #define fors2(i, a, b) for (ll i = a; i >= b; --i)
  55. #define meme memset
  56. #define pqueue priority_queue
  57. #define want_digit(x) cout << fixed << setprecision(x);
  58. #define excuting_time 1000.0 * clock() / CLOCKS_PER_SEC
  59. using namespace std;
  60. const int MOD = 1e9 + 7; // 998244353
  61. const int inf = 1e9;
  62. const ll INF = 1e18;
  63. const int N = 1e6;
  64.  
  65. mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
  66. ll random(const ll &L, const ll &R)
  67. {
  68.     return uniform_int_distribution<ll> (L, R) (rng);
  69. }
  70.  
  71. template <class X, class Y>
  72. bool maximize(X &x, const Y &y)
  73. {
  74.     return x < y ? x = y, true : false;
  75. }
  76.  
  77. int n, a[N + 5], delta, mx;
  78. multiset <int> ms;
  79. void cook()
  80. {
  81.     cin >> n >> delta;
  82.     forw (i, 1, n) cin >> a[i];
  83.  
  84.     int l = 1;
  85.     forw (r, 1, n)
  86.     {
  87.         ms.insert(a[r]);
  88.         while ((*ms.rbegin()) - (*ms.begin()) > delta)
  89.         {
  90.             ms.erase(ms.find(a[l]));
  91.             ++l;
  92.         }
  93.         maximize(mx, r - l + 1);
  94.     }
  95.  
  96.     cout << mx << endl;
  97. }
  98.  
  99. skibidi()
  100. //rizz()
  101. {
  102.     srand(time(NULL));
  103.     sigma;
  104.     /*
  105.     if (fopen(name".INP", "r"))
  106.     {
  107.         freopen(name".INP", "r", stdin);
  108.         freopen(name".OUT", "w", stdout);
  109.     }
  110.     */
  111.     int numTest = 1;
  112. //    cin >> numTest;
  113.     while (numTest--)
  114.     {
  115.         cook();
  116.     }
  117.     stfu;
  118. }
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/E8eXLQ
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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