Submission #203792

#	Time	Username	Problem	Language	Result	Execution time	Memory
203792		dennisstar	Safety (NOI18_safety)	C++17	0 / 100	93 ms	2792 KiB

safety

#include <bits/stdc++.h>
#define em emplace
using namespace std;
typedef long long ll;

priority_queue<ll> L, R;
int N; ll H, S, A;

int main() {
	cin>>N>>H;
	for (int i=1; i<=N; i++) {
		cin>>S;
		if (i==1) { L.em(S), R.em(-S); continue; }
		if (S<L.top()-H*(i-1)) A+=(L.top()-H*(i-1))-S, L.em(S+H*(i-1));
		else if (S>-R.top()+H*(i-1)) A+=S+R.top()-H*(i-1), R.em(-S+H*(i-1));
		else L.em(S+H*(i-1)), R.em(-S+H*(i-1));
	}
	cout<<A<<'\n';
	return 0;
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 4
• Subtask 3: 0 / 9
• Subtask 4: 0 / 5
• Subtask 5: 0 / 6
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 22
• Subtask 9: 0 / 29