제출 #939663

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
939663		TAhmed33	Self Study (JOI22_ho_t2)	C++98	0 / 100	426 ms	5132 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 3e5 + 25;
ll n, m;
pair <ll, ll> a[MAXN];
void solve () {
	cin >> n >> m;
	assert(n < MAXN);
	for (int i = 1; i <= n; i++) cin >> a[i].first;
	for (int i = 1; i <= n; i++) cin >> a[i].second;
	for (int i = 1; i <= n; i++) a[i].first = max(a[i].first, a[i].second);
	ll l = 0, r = 1e18, ans = 0;
	while (l <= r) {
		ll mid = (l + r) / 2;
		ll sum = 0;
		for (int i = 1; i <= n; i++) {
			ll x = (mid + a[i].first - 1) / a[i].first;
			if (x <= m) {
				sum += x;
			} else {
				sum += ((mid - a[i].first * m + a[i].second - 1) / a[i].second) + m;
			}
		}
		if (sum <= n * m) {
			l = mid + 1; ans = mid;
		} else {
			r = mid - 1;
		}
	}
	cout << ans << '\n';
}	
int main () {
	ios::sync_with_stdio(0); cin.tie(0);
	int t = 1; //cin >> t;
	while (t--) solve();
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 9