Submission #594633

#	Time	Username	Problem	Language	Result	Execution time	Memory
594633		penguinhacker	Safety (NOI18_safety)	C++17	66 / 100	2059 ms	1732 KiB

safety

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

#define ll long long
#define ar array

const int mxN=2e5;
int n, h, a[mxN];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> h;
	for (int i=0; i<n; ++i)
		cin >> a[i];
	ll ans=0;
	vector<ll> v={a[0], a[0]};
	for (int i=1; i<n; ++i) {
		for (int j=0; j<i; ++j)
			v[j]-=h, v[j+i]+=h;
		if (a[i]<v[i-1])
			ans+=v[i-1]-a[i];
		if (a[i]>v[i])
			ans+=a[i]-v[i];
		v.push_back(a[i]);
		v.push_back(a[i]);
		sort(v.begin(), v.end());
	}
	cout << ans;
	return 0;
}

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