Submission #547059

#	Time	Username	Problem	Language	Result	Execution time	Memory
547059		d2k05	Fuel Station (NOI20_fuelstation)	C++14	37 / 100	3076 ms	7244 KiB

FuelStation

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

const int N = 1e6 + 5;

int n, d;
pair <int, pair <int, int> > a[N];

double mx(double f) {
	double cur = f, now = 0;
	for (int i = 1; i <= n; ++i) {
		if (cur >= a[i].first - now) {
			cur -= a[i].first - now;
			now = a[i].first;
		} 
		else 
			return now + cur;
		if (f <= a[i].second.second)
			cur += a[i].second.first;
	}
	return min(d * 1.0, now + cur);
}

int main() {
	ios :: sync_with_stdio(0), cin.tie(0);
	cin >> n >> d;
	for (int i = 1; i <= n; ++i) cin >> a[i].first >> a[i].second.first >> a[i].second.second;
	sort(a + 1, a + 1 + n);
	int bruh = 0;
	while (mx(bruh) != d) ++bruh;
	cout << bruh;
	return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 17 / 17
• Subtask 4: 0 / 12
• Subtask 5: 0 / 19
• Subtask 6: 0 / 11
• Subtask 7: 0 / 21