oj.uz

답안 #583507

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
583507 2022-06-25T12:52:17 Z Kanaifu Mountains (NOI20_mountains) C++17
24 / 100
 94 ms 9868 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));
    }
}

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());
    int 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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 69 ms 9736 KB Output is correct
3 Correct 82 ms 9836 KB Output is correct
4 Correct 84 ms 9780 KB Output is correct
5 Correct 68 ms 9808 KB Output is correct
6 Correct 73 ms 9804 KB Output is correct
7 Correct 73 ms 9828 KB Output is correct
8 Correct 73 ms 9760 KB Output is correct
9 Correct 74 ms 9824 KB Output is correct
10 Correct 81 ms 9840 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 9800 KB Output is correct
2 Correct 61 ms 9816 KB Output is correct
3 Correct 65 ms 9804 KB Output is correct
4 Correct 58 ms 9792 KB Output is correct
5 Correct 72 ms 9844 KB Output is correct
6 Correct 64 ms 9760 KB Output is correct
7 Correct 56 ms 9764 KB Output is correct
8 Correct 43 ms 9860 KB Output is correct
9 Correct 44 ms 9744 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 9800 KB Output is correct
2 Correct 61 ms 9816 KB Output is correct
3 Correct 65 ms 9804 KB Output is correct
4 Correct 58 ms 9792 KB Output is correct
5 Correct 72 ms 9844 KB Output is correct
6 Correct 64 ms 9760 KB Output is correct
7 Correct 56 ms 9764 KB Output is correct
8 Correct 43 ms 9860 KB Output is correct
9 Correct 44 ms 9744 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 87 ms 9800 KB Output is correct
12 Correct 76 ms 9800 KB Output is correct
13 Correct 69 ms 9844 KB Output is correct
14 Correct 71 ms 9768 KB Output is correct
15 Correct 73 ms 9820 KB Output is correct
16 Correct 72 ms 9832 KB Output is correct
17 Correct 84 ms 9740 KB Output is correct
18 Correct 47 ms 9848 KB Output is correct
19 Correct 43 ms 9788 KB Output is correct
20 Correct 1 ms 1364 KB Output is correct

Subtask #4
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 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 Incorrect 2 ms 1492 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 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 Incorrect 2 ms 1492 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 9800 KB Output is correct
2 Correct 61 ms 9816 KB Output is correct
3 Correct 65 ms 9804 KB Output is correct
4 Correct 58 ms 9792 KB Output is correct
5 Correct 72 ms 9844 KB Output is correct
6 Correct 64 ms 9760 KB Output is correct
7 Correct 56 ms 9764 KB Output is correct
8 Correct 43 ms 9860 KB Output is correct
9 Correct 44 ms 9744 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 87 ms 9800 KB Output is correct
12 Correct 76 ms 9800 KB Output is correct
13 Correct 69 ms 9844 KB Output is correct
14 Correct 71 ms 9768 KB Output is correct
15 Correct 73 ms 9820 KB Output is correct
16 Correct 72 ms 9832 KB Output is correct
17 Correct 84 ms 9740 KB Output is correct
18 Correct 47 ms 9848 KB Output is correct
19 Correct 43 ms 9788 KB Output is correct
20 Correct 1 ms 1364 KB Output is correct
21 Correct 94 ms 9800 KB Output is correct
22 Correct 77 ms 9844 KB Output is correct
23 Correct 75 ms 9864 KB Output is correct
24 Correct 76 ms 9808 KB Output is correct
25 Correct 84 ms 9788 KB Output is correct
26 Correct 77 ms 9868 KB Output is correct
27 Correct 74 ms 9832 KB Output is correct
28 Correct 47 ms 9800 KB Output is correct
29 Correct 50 ms 9832 KB Output is correct
30 Correct 1 ms 1492 KB Output is correct

Subtask #7
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 69 ms 9736 KB Output is correct
3 Correct 82 ms 9836 KB Output is correct
4 Correct 84 ms 9780 KB Output is correct
5 Correct 68 ms 9808 KB Output is correct
6 Correct 73 ms 9804 KB Output is correct
7 Correct 73 ms 9828 KB Output is correct
8 Correct 73 ms 9760 KB Output is correct
9 Correct 74 ms 9824 KB Output is correct
10 Correct 81 ms 9840 KB Output is correct
11 Correct 59 ms 9800 KB Output is correct
12 Correct 61 ms 9816 KB Output is correct
13 Correct 65 ms 9804 KB Output is correct
14 Correct 58 ms 9792 KB Output is correct
15 Correct 72 ms 9844 KB Output is correct
16 Correct 64 ms 9760 KB Output is correct
17 Correct 56 ms 9764 KB Output is correct
18 Correct 43 ms 9860 KB Output is correct
19 Correct 44 ms 9744 KB Output is correct
20 Correct 1 ms 1492 KB Output is correct
21 Correct 87 ms 9800 KB Output is correct
22 Correct 76 ms 9800 KB Output is correct
23 Correct 69 ms 9844 KB Output is correct
24 Correct 71 ms 9768 KB Output is correct
25 Correct 73 ms 9820 KB Output is correct
26 Correct 72 ms 9832 KB Output is correct
27 Correct 84 ms 9740 KB Output is correct
28 Correct 47 ms 9848 KB Output is correct
29 Correct 43 ms 9788 KB Output is correct
30 Correct 1 ms 1364 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 1492 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 Incorrect 2 ms 1492 KB Output isn't correct
39 Halted 0 ms 0 KB -