oj.uz

Submission #356484

# Submission time Handle Problem Language Result Execution time Memory
356484 2021-01-23T12:13:34 Z gratus907 Safety (NOI18_safety) C++17
100 / 100
 269 ms 22636 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#define ll long long
#define eps 1e-7
#define all(x) ((x).begin()),((x).end())
#define usecppio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
#define int ll
using pii = pair<int, int>;
int INF = 1e15;
const int MN = 202020;
const int LEND = -1e17;
const int REND = 1e17;
int N, H;
int s[MN];
struct mset {
    multiset<int> st;
    string name;
    mset(string _name = "") {
        name = _name;
    }
    int offset;
    int small() {
        return *st.begin() + offset;
    }
    int large() {
        return *st.rbegin() + offset;
    }
    void del(int e) {
        if (e == LEND)
            st.erase(st.begin());
        else if (e == REND)
            st.erase(prev(st.end()));
        else
            st.erase(st.lower_bound(e));
    }
    void ins(int e){
        st.insert(e);
    }
    void print() {
        printf("Print multiset [%s] ", name.c_str());
        for (auto i : st)
            printf("%lld ",i + offset);
        printf("\n");
    }
} l("LEFT"), r("RIGHT");
int32_t main()
{
    usecppio
    cin >> N >> H;
    int MH = 0;
    for (int i = 1; i <= N; i++)
    {
        cin >> s[i];
        MH = max(MH, s[i]);
    }
    l.ins(s[1]);
    r.ins(s[1]);
    int ans = 0;
    for (int i = 2; i <= N; i++)
    {
        l.offset -= H;
        r.offset += H;
        int lf = l.large();
        int rf = r.small();
        if (s[i] < lf)
        {
            l.ins(s[i] - l.offset);
            l.ins(s[i] - l.offset);
            l.del(REND);
            r.ins(lf - r.offset);
            ans += abs(lf - s[i]);
        }
        else if (s[i] > rf)
        {
            r.ins(s[i] - r.offset);
            r.ins(s[i] - r.offset);
            r.del(LEND);
            l.ins(rf - l.offset);
            ans += abs(rf - s[i]);
        }
        else
        {
            l.ins(s[i] - l.offset);
            r.ins(s[i] - r.offset);
        }
    }
    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 364 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 384 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 146 ms 14956 KB Output is correct
2 Correct 237 ms 21356 KB Output is correct
3 Correct 250 ms 22380 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 364 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 364 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 364 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 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 400 KB Output is correct
23 Correct 1 ms 364 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 364 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 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 400 KB Output is correct
23 Correct 1 ms 364 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 5 ms 876 KB Output is correct
29 Correct 4 ms 796 KB Output is correct
30 Correct 3 ms 876 KB Output is correct
31 Correct 2 ms 748 KB Output is correct
32 Correct 2 ms 748 KB Output is correct
33 Correct 4 ms 876 KB Output is correct
34 Correct 3 ms 876 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 364 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 384 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 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 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 1 ms 400 KB Output is correct
29 Correct 1 ms 364 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 5 ms 876 KB Output is correct
35 Correct 4 ms 796 KB Output is correct
36 Correct 3 ms 876 KB Output is correct
37 Correct 2 ms 748 KB Output is correct
38 Correct 2 ms 748 KB Output is correct
39 Correct 4 ms 876 KB Output is correct
40 Correct 3 ms 876 KB Output is correct
41 Correct 4 ms 876 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 876 KB Output is correct
44 Correct 5 ms 876 KB Output is correct
45 Correct 3 ms 876 KB Output is correct
46 Correct 2 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 364 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 384 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 146 ms 14956 KB Output is correct
20 Correct 237 ms 21356 KB Output is correct
21 Correct 250 ms 22380 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 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 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 400 KB Output is correct
32 Correct 1 ms 364 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 5 ms 876 KB Output is correct
38 Correct 4 ms 796 KB Output is correct
39 Correct 3 ms 876 KB Output is correct
40 Correct 2 ms 748 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 4 ms 876 KB Output is correct
43 Correct 3 ms 876 KB Output is correct
44 Correct 4 ms 876 KB Output is correct
45 Correct 3 ms 748 KB Output is correct
46 Correct 3 ms 876 KB Output is correct
47 Correct 5 ms 876 KB Output is correct
48 Correct 3 ms 876 KB Output is correct
49 Correct 2 ms 748 KB Output is correct
50 Correct 269 ms 22636 KB Output is correct
51 Correct 204 ms 18796 KB Output is correct
52 Correct 91 ms 18028 KB Output is correct
53 Correct 109 ms 21100 KB Output is correct
54 Correct 113 ms 21700 KB Output is correct
55 Correct 107 ms 18412 KB Output is correct
56 Correct 102 ms 20204 KB Output is correct
57 Correct 100 ms 18520 KB Output is correct
58 Correct 98 ms 15596 KB Output is correct
59 Correct 111 ms 20608 KB Output is correct