| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1252962 | salehhasanli | 쌀 창고 (IOI11_ricehub) | C++20 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops,no-stack-protector")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt,tune=native")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("fast-math")
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vll = vector<ll>;
const int INF = 1e9 + 7;
const ll LINF = 1e18;
const int MOD = 1e9 + 7;
const int N = 2e5 + 5;
void fast_io() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
}
ll gcd(ll a, ll b) {
while (b) tie(a, b) = make_pair(b, a % b);
return a;
}
ll lcm(ll a, ll b) {
return a / gcd(a, b) * b;
}
ll power(ll a, ll b, ll m = MOD) {
ll res = 1;
a %= m;
while (b) {
if (b & 1) res = res * a % m;
a = a * a % m;
b >>= 1;
}
return res;
}
ll modinv(ll a, ll m = MOD) {
return power(a, m - 2, m);
}
template<typename T>
void print_vector(const vector<T> &v, string sep = " ") {
for (const auto &x: v) cout << x << sep;
cout << '\n';
}
template<typename T>
T sum_vector(const vector<T> &v) {
return accumulate(v.begin(), v.end(), T(0));
}
template<typename T>
T max_vector(const vector<T> &v) {
return *max_element(v.begin(), v.end());
}
template<typename T>
T min_vector(const vector<T> &v) {
return *min_element(v.begin(), v.end());
}
template<typename T>
void input_vector(vector<T> &v, int n) {
v.resize(n);
for (T &x: v) cin >> x;
}
template<typename T>
vector<T> prefix_sum(const vector<T> &v) {
int n = v.size();
vector<T> ps(n + 1, 0);
for (int i = 0; i < n; ++i) ps[i + 1] = ps[i] + v[i];
return ps;
}
bool is_prime(ll n) {
if (n < 2) return false;
for (ll i = 2; i * i <= n; ++i)
if (n % i == 0) return false;
return true;
}
vector<bool> sieve(int n) {
vector<bool> is_prime(n + 1, true);
is_prime[0] = is_prime[1] = false;
for (int i = 2; i * i <= n; ++i)
if (is_prime[i])
for (int j = i * i; j <= n; j += i)
is_prime[j] = false;
return is_prime;
}
// using ll = long long;
// using ull = unsigned long long;
// using ld = long double;
// using pii = pair<int, int>;\]{
// using pll = pair<ll, ll>;
// using vi = vector<int>;
// using vll = vector<ll>;
//
// const int INF = 1e9 + 7;
// const ll LINF = 1e18;
// const int MOD = 1e9 + 7;
// const int N = 2e5 + 5;
bool check(ll mid,vector<ll>a,ll b,ll c,vector<ll>d) {
if (mid == 0) {
return true;
}
if (a.size()<mid) {
return false;
}
for (ll i = 0;i<=a.size()-mid;i++) {
ll f = i+mid-1;
ll e = i+(mid-1)/2;
ll r = a[e];
if (r>b) {
break;
}
ll q = e-i;
int u = d[e]-d[i];
int p = r*q-u;
ll q1 = f-e;
ll u1 = d[f]-d[e];
p+= u1-q1*r;
if (p<=c) {
return true;
}
}
return false;
}
void solve() {
ll n,b,c;
cin>>n>>b>>c;
vector<ll>a(n);
for (int i = 0;i<n;i++) {
cin>>a[i];
}
sort(a.begin(),a.end());
vector<ll>d(n);
for (int i = 0;i<n;i++) {
if (i==0) {
d[i] = a[i];
}
else {
d[i] = d[i-1]+a[i];
}
}
ll l = 0,r = n;
ll best = 0;
while (l<=r) {
ll mid = (l+r)/2;
if (check(mid,a,b,c,d)) {
best = mid;
l = mid+1;
}
else {
r = mid-1;
}
}
cout<<best<<endl;
}
signed main() {
fast_io();
int t = 1;
// cin >> t;
while (t--) solve();
return 0;
}
// aacbbcbcaacbbc/