oj.uz

Submission #585377

# Submission time Handle Problem Language Result Execution time Memory
585377 2022-06-28T18:39:24 Z Kanaifu Mountains (NOI20_mountains) C++14
100 / 100
 123 ms 14924 KB 
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define fr first
#define sc second

int tree[300001];
int n;

int sum(int ind)
{
    int zbir = 0;
    while (ind > 0)
    {
        zbir += tree[ind];
        ind = (ind)&(ind-1);
    }
    return zbir;
}

void update(int ind)
{
    while (ind <= n)
    {
        tree[ind]++;
        ind += (ind - (ind & (ind-1)));
    }
}

long long query(int left, int right)
{
    return (sum(right) - sum(left - 1));
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    long long brojac = 0;
    memset(tree, 0, sizeof(tree));
    vector <int> reset;
    vector <pair<long long, int>> order;
    cin>>n;
    for (int i=1; i<=n; i++)
    {
        long long height;
        cin>>height;
        order.pb({height, i});
    }
    sort(order.begin(), order.end());
    long long last = -1;
    for (int i=0; i<order.size(); i++)
    {
        if (order[i].fr != last)
        {
            for (int el : reset)
            {
                update(el);
            }
            reset.clear();
        }
        brojac += (query(1, order[i].sc-1))*(query(order[i].sc+1, n));
        reset.pb(order[i].sc);
        last = order[i].fr;
    }
    cout<<brojac;
}

Compilation message

Mountains.cpp: In function 'int main()':
Mountains.cpp:55:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for (int i=0; i<order.size(); i++)
      |                   ~^~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 74 ms 14740 KB Output is correct
3 Correct 72 ms 14696 KB Output is correct
4 Correct 72 ms 14728 KB Output is correct
5 Correct 70 ms 14756 KB Output is correct
6 Correct 88 ms 14780 KB Output is correct
7 Correct 75 ms 14700 KB Output is correct
8 Correct 69 ms 14812 KB Output is correct
9 Correct 74 ms 14888 KB Output is correct
10 Correct 78 ms 14924 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 10316 KB Output is correct
2 Correct 61 ms 10352 KB Output is correct
3 Correct 58 ms 10396 KB Output is correct
4 Correct 54 ms 10340 KB Output is correct
5 Correct 58 ms 10316 KB Output is correct
6 Correct 56 ms 10428 KB Output is correct
7 Correct 67 ms 10408 KB Output is correct
8 Correct 42 ms 10372 KB Output is correct
9 Correct 40 ms 10396 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 10316 KB Output is correct
2 Correct 61 ms 10352 KB Output is correct
3 Correct 58 ms 10396 KB Output is correct
4 Correct 54 ms 10340 KB Output is correct
5 Correct 58 ms 10316 KB Output is correct
6 Correct 56 ms 10428 KB Output is correct
7 Correct 67 ms 10408 KB Output is correct
8 Correct 42 ms 10372 KB Output is correct
9 Correct 40 ms 10396 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 70 ms 10652 KB Output is correct
12 Correct 73 ms 10684 KB Output is correct
13 Correct 70 ms 10648 KB Output is correct
14 Correct 67 ms 10604 KB Output is correct
15 Correct 66 ms 10708 KB Output is correct
16 Correct 68 ms 10640 KB Output is correct
17 Correct 68 ms 10684 KB Output is correct
18 Correct 53 ms 10580 KB Output is correct
19 Correct 45 ms 10696 KB Output is correct
20 Correct 1 ms 1500 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1500 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1500 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 5 ms 2004 KB Output is correct
12 Correct 4 ms 2004 KB Output is correct
13 Correct 6 ms 2028 KB Output is correct
14 Correct 6 ms 2020 KB Output is correct
15 Correct 4 ms 2020 KB Output is correct
16 Correct 5 ms 2004 KB Output is correct
17 Correct 4 ms 2004 KB Output is correct
18 Correct 4 ms 2016 KB Output is correct
19 Correct 3 ms 1876 KB Output is correct
20 Correct 1 ms 1492 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 10316 KB Output is correct
2 Correct 61 ms 10352 KB Output is correct
3 Correct 58 ms 10396 KB Output is correct
4 Correct 54 ms 10340 KB Output is correct
5 Correct 58 ms 10316 KB Output is correct
6 Correct 56 ms 10428 KB Output is correct
7 Correct 67 ms 10408 KB Output is correct
8 Correct 42 ms 10372 KB Output is correct
9 Correct 40 ms 10396 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 70 ms 10652 KB Output is correct
12 Correct 73 ms 10684 KB Output is correct
13 Correct 70 ms 10648 KB Output is correct
14 Correct 67 ms 10604 KB Output is correct
15 Correct 66 ms 10708 KB Output is correct
16 Correct 68 ms 10640 KB Output is correct
17 Correct 68 ms 10684 KB Output is correct
18 Correct 53 ms 10580 KB Output is correct
19 Correct 45 ms 10696 KB Output is correct
20 Correct 1 ms 1500 KB Output is correct
21 Correct 77 ms 11468 KB Output is correct
22 Correct 73 ms 11428 KB Output is correct
23 Correct 79 ms 11416 KB Output is correct
24 Correct 75 ms 11456 KB Output is correct
25 Correct 78 ms 11456 KB Output is correct
26 Correct 78 ms 11372 KB Output is correct
27 Correct 80 ms 11416 KB Output is correct
28 Correct 63 ms 11464 KB Output is correct
29 Correct 56 ms 11420 KB Output is correct
30 Correct 1 ms 1492 KB Output is correct

Subtask #7
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 74 ms 14740 KB Output is correct
3 Correct 72 ms 14696 KB Output is correct
4 Correct 72 ms 14728 KB Output is correct
5 Correct 70 ms 14756 KB Output is correct
6 Correct 88 ms 14780 KB Output is correct
7 Correct 75 ms 14700 KB Output is correct
8 Correct 69 ms 14812 KB Output is correct
9 Correct 74 ms 14888 KB Output is correct
10 Correct 78 ms 14924 KB Output is correct
11 Correct 62 ms 10316 KB Output is correct
12 Correct 61 ms 10352 KB Output is correct
13 Correct 58 ms 10396 KB Output is correct
14 Correct 54 ms 10340 KB Output is correct
15 Correct 58 ms 10316 KB Output is correct
16 Correct 56 ms 10428 KB Output is correct
17 Correct 67 ms 10408 KB Output is correct
18 Correct 42 ms 10372 KB Output is correct
19 Correct 40 ms 10396 KB Output is correct
20 Correct 1 ms 1492 KB Output is correct
21 Correct 70 ms 10652 KB Output is correct
22 Correct 73 ms 10684 KB Output is correct
23 Correct 70 ms 10648 KB Output is correct
24 Correct 67 ms 10604 KB Output is correct
25 Correct 66 ms 10708 KB Output is correct
26 Correct 68 ms 10640 KB Output is correct
27 Correct 68 ms 10684 KB Output is correct
28 Correct 53 ms 10580 KB Output is correct
29 Correct 45 ms 10696 KB Output is correct
30 Correct 1 ms 1500 KB Output is correct
31 Correct 1 ms 1492 KB Output is correct
32 Correct 1 ms 1492 KB Output is correct
33 Correct 1 ms 1500 KB Output is correct
34 Correct 1 ms 1492 KB Output is correct
35 Correct 1 ms 1492 KB Output is correct
36 Correct 1 ms 1492 KB Output is correct
37 Correct 1 ms 1492 KB Output is correct
38 Correct 1 ms 1492 KB Output is correct
39 Correct 2 ms 1492 KB Output is correct
40 Correct 1 ms 1492 KB Output is correct
41 Correct 5 ms 2004 KB Output is correct
42 Correct 4 ms 2004 KB Output is correct
43 Correct 6 ms 2028 KB Output is correct
44 Correct 6 ms 2020 KB Output is correct
45 Correct 4 ms 2020 KB Output is correct
46 Correct 5 ms 2004 KB Output is correct
47 Correct 4 ms 2004 KB Output is correct
48 Correct 4 ms 2016 KB Output is correct
49 Correct 3 ms 1876 KB Output is correct
50 Correct 1 ms 1492 KB Output is correct
51 Correct 77 ms 11468 KB Output is correct
52 Correct 73 ms 11428 KB Output is correct
53 Correct 79 ms 11416 KB Output is correct
54 Correct 75 ms 11456 KB Output is correct
55 Correct 78 ms 11456 KB Output is correct
56 Correct 78 ms 11372 KB Output is correct
57 Correct 80 ms 11416 KB Output is correct
58 Correct 63 ms 11464 KB Output is correct
59 Correct 56 ms 11420 KB Output is correct
60 Correct 1 ms 1492 KB Output is correct
61 Correct 108 ms 14720 KB Output is correct
62 Correct 107 ms 14776 KB Output is correct
63 Correct 116 ms 14692 KB Output is correct
64 Correct 110 ms 14736 KB Output is correct
65 Correct 106 ms 14780 KB Output is correct
66 Correct 111 ms 14756 KB Output is correct
67 Correct 121 ms 14792 KB Output is correct
68 Correct 123 ms 14904 KB Output is correct
69 Correct 76 ms 11616 KB Output is correct
70 Correct 1 ms 1496 KB Output is correct