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Submission #318615

# Submission time Handle Problem Language Result Execution time Memory
318615 2020-11-02T13:57:17 Z MetB Safety (NOI18_safety) C++14
16 / 100
 479 ms 262148 KB 
#include <bits/stdc++.h>
 
#define N 2000001
 
using namespace std;
 
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
 
const ll INF = 1e18, MOD = 998244353, MOD2 = 1e6 + 3;

ll d[500][500*600], a[500], n, h;
vector <ll> srt;

struct window : deque < pair <ll, ll> > {
	void append (ll x, ll v) {
		while (!empty () && back ().second > v) pop_back ();
		emplace_back (x, v);
	}

	void erase (ll x) {
		if (front().first == x) pop_front ();
	}
};

int main () {
	cin >> n >> h;

	for (int i = 0; i < n; i++) {
		cin >> a[i];

		srt.push_back (a[i]);

		for (int j = 1; j <= n; j++) {
			srt.push_back (a[i] + j * h);
			srt.push_back (a[i] - j * h);
		}
	}

	sort (srt.begin(), srt.end());
	srt.erase (unique (srt.begin(), srt.end()), srt.end ());

	int sz = srt.size ();

	for (int i = 0; i < sz; i++) {
		d[0][i] = abs (srt[i] - a[0]);
		//cout << d[0][i] << ' ' << srt[i] << endl;
	}

	for (int i = 1; i < n; i++) {
		int l = 0, r = 0;
		window wd;
		for (int j = 0; j < sz; j++) {
			while (r < sz && srt[r] <= srt[j] + h) { wd.append (r, d[i-1][r]); r++; };
			while (l < r && srt[l] < srt[j] - h) { wd.erase (l); l++; };
			d[i][j] = abs (srt[j] - a[i]) + wd.front ().second;
			//cout << i << ' ' << srt[j] << ' ' << srt[l] << ' ' << srt[r-1] << ' ' << *ms.begin () << endl; 
		}
	}

	cout << *min_element (d[n-1], d[n-1] + sz);
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 281 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 107 ms 49044 KB Output is correct
14 Correct 19 ms 8920 KB Output is correct
15 Runtime error 479 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 107 ms 49044 KB Output is correct
14 Correct 19 ms 8920 KB Output is correct
15 Runtime error 479 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 107 ms 49044 KB Output is correct
14 Correct 19 ms 8920 KB Output is correct
15 Runtime error 479 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Halted 0 ms 0 KB -

Subtask #8
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 107 ms 49044 KB Output is correct
20 Correct 19 ms 8920 KB Output is correct
21 Runtime error 479 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
22 Halted 0 ms 0 KB -

Subtask #9
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Runtime error 281 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
20 Halted 0 ms 0 KB -