fork(1) download
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. // Speed
  5. #define fast_io ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
  6.  
  7. // Typedefs
  8. #define int long long
  9. #define pb push_back
  10. #define ff first
  11. #define ss second
  12. #define all(x) (x).begin(), (x).end()
  13. #define rall(x) (x).rbegin(), (x).rend()
  14. #define sz(x) ((int)(x).size())
  15. #define endl '\n'
  16. #define yes cout << "yes\n"
  17. #define no cout << "no\n"
  18.  
  19. // Loops
  20. #define rep(i,a,b) for(int i=a;i<b;++i)
  21. #define per(i,a,b) for(int i=b-1;i>=a;--i)
  22. #define each(x, a) for (auto& x : a)
  23.  
  24. // Consts
  25. const int INF = 1e18;
  26. const int MOD = 1e9+7;
  27. const int N = 2e5 + 5;
  28.  
  29. // Math
  30. int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }
  31. int lcm(int a, int b) { return (a / gcd(a, b)) * b; }
  32.  
  33. int power(int a, int b, int m = MOD) {
  34. int res = 1;
  35. while (b > 0) {
  36. if (b & 1) res = res * a % m;
  37. a = a * a % m;
  38. b >>= 1;
  39. }
  40. return res;
  41. }
  42.  
  43. int modinv(int a, int m = MOD) {
  44. return power(a, m - 2, m);
  45. }
  46.  
  47. // Logic
  48. void solve() {
  49. int n, c;
  50. cin >> n >> c;
  51. int a[n];
  52.  
  53. rep(i, 0, n) cin >> a[i];
  54. sort(a, a + n);
  55.  
  56. int ans = INF;
  57.  
  58. rep(i, 0, n + 1) {
  59. int cost = 0;
  60. rep(j, 0, n) {
  61. int w = a[j];
  62. int mul = max(0LL, j - (n - i));
  63. if (mul >= 60) w = INF;
  64. else w <<= mul;
  65. if (w > c) cost++;
  66. }
  67. ans = min(ans, cost);
  68. }
  69.  
  70. cout << ans << endl;
  71. }
  72.  
  73. // Main
  74. int32_t main() {
  75. fast_io;
  76.  
  77. int t;
  78. cin >> t;
  79. while (t--) {
  80. solve();
  81. }
  82.  
  83. return 0;
  84. }
  85.  
Success #stdin #stdout 0.01s 5288KB
stdin
4
5 10
10 4 15 1 8
3 42
1000000000 1000000000 1000000000
10 30
29 25 2 12 15 42 14 6 16 9
10 1000000
1 1 1 1 1 1 1 1 1 864026633
stdout
1
3
1
1