Submission #393839

#	Time	Username	Problem	Language	Result	Execution time	Memory
393839		ronnith	Potatoes and fertilizers (LMIO19_bulves)	C++14	0 / 100	1 ms	332 KiB

bulves

#include <bits/stdc++.h>

using namespace std;

const int N = (int)5e5;
int n, a[N], b[N];
long long d[N];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n;
	for(int i = 0;i < n;i ++) {
		cin >> a[i] >> b[i];
		d[i] = a[i]-b[i] + (i!=1?d[i-1]:0);
	}
	priority_queue<int> pq;
	pq.push(d[0]);
	long long ans = 0;
	for(int i = 1;i < n;i ++) {
		pq.push(d[i]);
		pq.push(d[i]);
		ans += pq.top()-d[i];
		pq.pop();
	}
	cout << ans << '\n';
	return 0;
}

• Subtask 1: 0 / 24
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 36