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Submission #319756

# Submission time Handle Problem Language Result Execution time Memory
319756 2020-11-06T11:23:55 Z kostia244 Safety (NOI18_safety) C++17
100 / 100
 321 ms 21304 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int inf = 1<<30;
struct sset : public multiset<ll> {
	ll bias = 0;
	void insert(int x) {
		multiset<ll>::insert(x-bias);
	}
	ll get_min() {
		return *begin() + bias;
	}
	void pop_min() {
		erase(find(*begin()));
	}
	ll get_max() {
		return *rbegin() + bias;
	}
	void pop_max() {
		erase(find(*rbegin()));
	}
	void add(ll x) {
		bias += x;
	}
};
int main() {
	cin.tie(0)->sync_with_stdio(0);
	ll n, h, x;
	sset L, R;
	cin >> n >> h >> x;
	L.insert(x);
	R.insert(x);
	ll ans = 0;
	for(int I = 1; I < n; I++) {
		R.add(h);
		L.add(-h);
		cin >> x;
		if(x <= L.get_max()) {
			L.insert(x);
			L.insert(x);
			ans += abs(L.get_max()-x);
			R.insert(L.get_max());
			L.pop_max();
		} else {
			R.insert(x);
			R.insert(x);
			ans += abs(R.get_min()-x);
			L.insert(R.get_min());
			R.pop_min();
		}
	}
	cout << ans << '\n';
}

Subtask #1
3.0 / 3.0

# 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 268 KB Output is correct

Subtask #2
4.0 / 4.0

# 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 1 ms 364 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 174 ms 13924 KB Output is correct
2 Correct 282 ms 19680 KB Output is correct
3 Correct 311 ms 20580 KB Output is correct

Subtask #5
6.0 / 6.0

# 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 268 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 572 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 544 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 572 KB Output is correct

Subtask #6
11.0 / 11.0

# 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 268 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 572 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 544 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 572 KB Output is correct
20 Correct 1 ms 476 KB Output is correct
21 Correct 1 ms 480 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 408 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct

Subtask #7
11.0 / 11.0

# 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 268 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 572 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 544 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 572 KB Output is correct
20 Correct 1 ms 476 KB Output is correct
21 Correct 1 ms 480 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 408 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 3 ms 1072 KB Output is correct
29 Correct 3 ms 748 KB Output is correct
30 Correct 3 ms 944 KB Output is correct
31 Correct 3 ms 748 KB Output is correct
32 Correct 4 ms 908 KB Output is correct
33 Correct 3 ms 876 KB Output is correct
34 Correct 3 ms 872 KB Output is correct

Subtask #8
22.0 / 22.0

# 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 268 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 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 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 416 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 572 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 544 KB Output is correct
24 Correct 2 ms 364 KB Output is correct
25 Correct 2 ms 572 KB Output is correct
26 Correct 1 ms 476 KB Output is correct
27 Correct 1 ms 480 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 408 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 3 ms 1072 KB Output is correct
35 Correct 3 ms 748 KB Output is correct
36 Correct 3 ms 944 KB Output is correct
37 Correct 3 ms 748 KB Output is correct
38 Correct 4 ms 908 KB Output is correct
39 Correct 3 ms 876 KB Output is correct
40 Correct 3 ms 872 KB Output is correct
41 Correct 4 ms 868 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 4 ms 968 KB Output is correct
44 Correct 3 ms 876 KB Output is correct
45 Correct 3 ms 868 KB Output is correct
46 Correct 3 ms 748 KB Output is correct

Subtask #9
29.0 / 29.0

# 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 268 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 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 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 174 ms 13924 KB Output is correct
20 Correct 282 ms 19680 KB Output is correct
21 Correct 311 ms 20580 KB Output is correct
22 Correct 1 ms 416 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 572 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 544 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 2 ms 572 KB Output is correct
29 Correct 1 ms 476 KB Output is correct
30 Correct 1 ms 480 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 408 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 3 ms 1072 KB Output is correct
38 Correct 3 ms 748 KB Output is correct
39 Correct 3 ms 944 KB Output is correct
40 Correct 3 ms 748 KB Output is correct
41 Correct 4 ms 908 KB Output is correct
42 Correct 3 ms 876 KB Output is correct
43 Correct 3 ms 872 KB Output is correct
44 Correct 4 ms 868 KB Output is correct
45 Correct 3 ms 748 KB Output is correct
46 Correct 4 ms 968 KB Output is correct
47 Correct 3 ms 876 KB Output is correct
48 Correct 3 ms 868 KB Output is correct
49 Correct 3 ms 748 KB Output is correct
50 Correct 321 ms 21304 KB Output is correct
51 Correct 244 ms 17508 KB Output is correct
52 Correct 136 ms 16908 KB Output is correct
53 Correct 163 ms 19712 KB Output is correct
54 Correct 129 ms 20236 KB Output is correct
55 Correct 143 ms 17204 KB Output is correct
56 Correct 160 ms 18788 KB Output is correct
57 Correct 154 ms 17380 KB Output is correct
58 Correct 125 ms 14564 KB Output is correct
59 Correct 156 ms 19204 KB Output is correct