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Submission #585884

# Submission time Handle Problem Language Result Execution time Memory
585884 2022-06-29T13:34:01 Z teki Mountains (NOI20_mountains) C++11
100 / 100
 125 ms 15272 KB 
#include <bits/stdc++.h>

typedef long long ll;

#define pb push_back
#define MS(x,y) memset((x),(y),sizeof((x)))
const ll MN = 1000000007;

using namespace std;

ll n;
ll tree[300001];
ll niza[300001];

ll query(ll pos) {
    ll ret = 0;
    while (pos > 0) {
        ret += tree[pos];
        pos -= pos&(-pos);
    }
    return ret;
}

void update(ll pos, ll val) {
    while (pos <= n) {
        tree[pos] += val;
        pos += pos&(-pos);
    }
}

ll presmetaj (ll pos) {
    ll levo = query(pos-1);
    ll site = query(n);

    return levo*(site-levo);
}

int main()
{
    #if LOCAL_DEBUG
        fstream cin("in.txt");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    MS(tree,0);

    cin>>n;

    for (ll i = 1; i<=n; i++) cin>>niza[i];

    vector<pair<ll,ll>> sorti(n+1);
    for (ll i = 1; i<=n; i++) sorti[i] = {niza[i],i};
    sort(sorti.begin(),sorti.end());

    vector<ll> moment;
    ll sea = -1, res = 0;

    for (ll i = 1; i<=n; i++) {
        ll a = sorti[i].first;

        if (a != sea) {
            for (auto it:moment) res += presmetaj(it);
            for (auto it:moment) update(it,1);

            vector<ll> nov;
            swap(moment,nov);
        }

        sea = a;
        moment.pb(sorti[i].second);
    }

    for (auto it:moment) res += presmetaj(it);

    cout<<res<<endl;

    return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 74 ms 9712 KB Output is correct
3 Correct 71 ms 9652 KB Output is correct
4 Correct 66 ms 9628 KB Output is correct
5 Correct 65 ms 9692 KB Output is correct
6 Correct 67 ms 9676 KB Output is correct
7 Correct 66 ms 9648 KB Output is correct
8 Correct 69 ms 9704 KB Output is correct
9 Correct 78 ms 9632 KB Output is correct
10 Correct 82 ms 9708 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 12900 KB Output is correct
2 Correct 50 ms 13472 KB Output is correct
3 Correct 50 ms 13464 KB Output is correct
4 Correct 52 ms 13540 KB Output is correct
5 Correct 52 ms 13472 KB Output is correct
6 Correct 53 ms 13536 KB Output is correct
7 Correct 49 ms 13636 KB Output is correct
8 Correct 41 ms 13456 KB Output is correct
9 Correct 35 ms 13408 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 12900 KB Output is correct
2 Correct 50 ms 13472 KB Output is correct
3 Correct 50 ms 13464 KB Output is correct
4 Correct 52 ms 13540 KB Output is correct
5 Correct 52 ms 13472 KB Output is correct
6 Correct 53 ms 13536 KB Output is correct
7 Correct 49 ms 13636 KB Output is correct
8 Correct 41 ms 13456 KB Output is correct
9 Correct 35 ms 13408 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 61 ms 10556 KB Output is correct
12 Correct 61 ms 10556 KB Output is correct
13 Correct 62 ms 10556 KB Output is correct
14 Correct 69 ms 10608 KB Output is correct
15 Correct 62 ms 10556 KB Output is correct
16 Correct 61 ms 10556 KB Output is correct
17 Correct 60 ms 10700 KB Output is correct
18 Correct 39 ms 10556 KB Output is correct
19 Correct 40 ms 10624 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2676 KB Output is correct
10 Correct 1 ms 2676 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2676 KB Output is correct
10 Correct 1 ms 2676 KB Output is correct
11 Correct 5 ms 3028 KB Output is correct
12 Correct 5 ms 3056 KB Output is correct
13 Correct 5 ms 3028 KB Output is correct
14 Correct 5 ms 3028 KB Output is correct
15 Correct 5 ms 3028 KB Output is correct
16 Correct 6 ms 3076 KB Output is correct
17 Correct 4 ms 3068 KB Output is correct
18 Correct 7 ms 3068 KB Output is correct
19 Correct 4 ms 2900 KB Output is correct
20 Correct 1 ms 2672 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 12900 KB Output is correct
2 Correct 50 ms 13472 KB Output is correct
3 Correct 50 ms 13464 KB Output is correct
4 Correct 52 ms 13540 KB Output is correct
5 Correct 52 ms 13472 KB Output is correct
6 Correct 53 ms 13536 KB Output is correct
7 Correct 49 ms 13636 KB Output is correct
8 Correct 41 ms 13456 KB Output is correct
9 Correct 35 ms 13408 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 61 ms 10556 KB Output is correct
12 Correct 61 ms 10556 KB Output is correct
13 Correct 62 ms 10556 KB Output is correct
14 Correct 69 ms 10608 KB Output is correct
15 Correct 62 ms 10556 KB Output is correct
16 Correct 61 ms 10556 KB Output is correct
17 Correct 60 ms 10700 KB Output is correct
18 Correct 39 ms 10556 KB Output is correct
19 Correct 40 ms 10624 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 75 ms 11340 KB Output is correct
22 Correct 74 ms 11340 KB Output is correct
23 Correct 73 ms 11436 KB Output is correct
24 Correct 79 ms 11384 KB Output is correct
25 Correct 84 ms 11440 KB Output is correct
26 Correct 80 ms 11436 KB Output is correct
27 Correct 74 ms 11328 KB Output is correct
28 Correct 48 ms 11340 KB Output is correct
29 Correct 48 ms 11412 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct

Subtask #7
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 74 ms 9712 KB Output is correct
3 Correct 71 ms 9652 KB Output is correct
4 Correct 66 ms 9628 KB Output is correct
5 Correct 65 ms 9692 KB Output is correct
6 Correct 67 ms 9676 KB Output is correct
7 Correct 66 ms 9648 KB Output is correct
8 Correct 69 ms 9704 KB Output is correct
9 Correct 78 ms 9632 KB Output is correct
10 Correct 82 ms 9708 KB Output is correct
11 Correct 50 ms 12900 KB Output is correct
12 Correct 50 ms 13472 KB Output is correct
13 Correct 50 ms 13464 KB Output is correct
14 Correct 52 ms 13540 KB Output is correct
15 Correct 52 ms 13472 KB Output is correct
16 Correct 53 ms 13536 KB Output is correct
17 Correct 49 ms 13636 KB Output is correct
18 Correct 41 ms 13456 KB Output is correct
19 Correct 35 ms 13408 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 61 ms 10556 KB Output is correct
22 Correct 61 ms 10556 KB Output is correct
23 Correct 62 ms 10556 KB Output is correct
24 Correct 69 ms 10608 KB Output is correct
25 Correct 62 ms 10556 KB Output is correct
26 Correct 61 ms 10556 KB Output is correct
27 Correct 60 ms 10700 KB Output is correct
28 Correct 39 ms 10556 KB Output is correct
29 Correct 40 ms 10624 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 1 ms 2644 KB Output is correct
35 Correct 1 ms 2644 KB Output is correct
36 Correct 1 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 2 ms 2676 KB Output is correct
40 Correct 1 ms 2676 KB Output is correct
41 Correct 5 ms 3028 KB Output is correct
42 Correct 5 ms 3056 KB Output is correct
43 Correct 5 ms 3028 KB Output is correct
44 Correct 5 ms 3028 KB Output is correct
45 Correct 5 ms 3028 KB Output is correct
46 Correct 6 ms 3076 KB Output is correct
47 Correct 4 ms 3068 KB Output is correct
48 Correct 7 ms 3068 KB Output is correct
49 Correct 4 ms 2900 KB Output is correct
50 Correct 1 ms 2672 KB Output is correct
51 Correct 75 ms 11340 KB Output is correct
52 Correct 74 ms 11340 KB Output is correct
53 Correct 73 ms 11436 KB Output is correct
54 Correct 79 ms 11384 KB Output is correct
55 Correct 84 ms 11440 KB Output is correct
56 Correct 80 ms 11436 KB Output is correct
57 Correct 74 ms 11328 KB Output is correct
58 Correct 48 ms 11340 KB Output is correct
59 Correct 48 ms 11412 KB Output is correct
60 Correct 2 ms 2644 KB Output is correct
61 Correct 120 ms 15228 KB Output is correct
62 Correct 125 ms 15264 KB Output is correct
63 Correct 114 ms 15244 KB Output is correct
64 Correct 95 ms 15240 KB Output is correct
65 Correct 124 ms 15248 KB Output is correct
66 Correct 122 ms 15208 KB Output is correct
67 Correct 96 ms 15204 KB Output is correct
68 Correct 111 ms 15272 KB Output is correct
69 Correct 80 ms 11560 KB Output is correct
70 Correct 2 ms 2644 KB Output is correct