fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. #define print(a)         for(auto x : a) cout << x << " "; cout << endl
  6.  
  7.  
  8. const int M = 1000000007;
  9. const int N = 3e5+9;
  10. const int INF = 2e9+1;
  11. const int LINF = 2000000000000000001;
  12.  
  13. inline int power(int a, int b, int mod=M) {
  14.     int x = 1;
  15.     a %= mod;
  16.     while (b) {
  17.         if (b & 1) x = (x * a) % mod; 
  18.         a = (a * a) % mod;
  19.         b >>= 1;
  20.     }
  21.     return x;
  22. }
  23.  
  24.  
  25. //_ ***************************** START Below *******************************
  26.  
  27.  
  28.  
  29.  
  30. vector<int> a;
  31.  
  32. int consistency(int n, int S){
  33.  
  34.     int total = a[0];
  35.     vector<int> b(n-1);
  36.     for(int i=0; i<n-1; i++){
  37.         b[i] = a[i+1];
  38.         total += a[i+1];
  39.     }
  40.     int m = n-1;
  41.     sort(begin(b), end(b));
  42.  
  43.     int ct = 0;
  44.  
  45.     int leftSum = 0;
  46.     int rightSum = 0;
  47.  
  48.     for(int i=0; i<m; i++){
  49.         leftSum += b[i];
  50.         rightSum += b[m-1-i];
  51.  
  52.         int minX = min(leftSum, rightSum);
  53.  
  54.  
  55.         int cost = minX * (total - minX);
  56.         if(cost <= S){
  57.             ct = i+1;
  58.         }
  59.     }
  60.  
  61.     return n-ct;
  62. }
  63.  
  64.  
  65.  
  66.  
  67.  
  68.  
  69.  
  70.  
  71.  
  72.  
  73.  
  74.  
  75.  
  76.  
  77.  
  78. int practice(int n, int S){
  79.  
  80.  
  81.     return 0;
  82. }
  83.  
  84.  
  85.  
  86.  
  87.  
  88. void solve() {
  89.  
  90.     int n, S;
  91.     cin>> n >> S;
  92.  
  93.     a.resize(n);
  94.     for(int i=0; i<n; i++) cin >> a[i];
  95.  
  96.     cout << consistency(n, S) << endl;
  97.  
  98.  
  99. }
  100.  
  101.  
  102.  
  103.  
  104.  
  105. int32_t main() {
  106.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  107.  
  108.     int t = 1;
  109.     cin >> t;
  110.     while (t--) {
  111.         solve();
  112.     }
  113.  
  114.     return 0;
  115. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
5
4 150
10 5 5 5
4 200
20 1 2 10
4 300
20 5 10 15
4 100
20 5 10 15
3 100
1 20 20
stdout
copy 
1
2
3
4
1
https://ideone.com/zxR3Y6
language:
C++14 (gcc 8.3)
created:
52 minutes ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!