Submission #565928

#	Time	Username	Problem	Language	Result	Execution time	Memory
565928		sofapuden	Potatoes and fertilizers (LMIO19_bulves)	C++14	100 / 100	204 ms	11176 KiB

bulves

#include<bits/stdc++.h>
 
using namespace std;

typedef long long ll;

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n; cin >> n;
	priority_queue<ll> pq;
	ll dif = 0;
	ll ans = 0;
	for(int i = 0; i < n; ++i){
		int a, b; cin >> a >> b;
		dif+=a-b;
		ans+=abs(dif);
		pq.push(max(0ll,dif));
		pq.push(max(0ll,dif));
		pq.pop();
	}
	while(pq.size()){
		auto x = pq.top(); pq.pop();
		ans-=min(x,dif);
	}
	cout << ans << '\n';
}

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