oj.uz

Submission #583504

# Submission time Handle Problem Language Result Execution time Memory
583504 2022-06-25T12:46:29 Z Kanaifu Mountains (NOI20_mountains) C++17
24 / 100
 93 ms 7416 KB 
#include <bits/stdc++.h>

using namespace std;

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

int tree[300001], h[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));
    }
}

int 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<int, int>> order;
    cin>>n;
    for (int i=1; i<=n; i++)
    {
        cin>>h[i];
        order.pb({h[i], 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 += ((long long)(query(1, order[i].sc-1)))*((long long)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:54:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for (int i=0; i<order.size(); i++)
      |                   ~^~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1500 KB Output is correct
2 Correct 39 ms 7020 KB Output is correct
3 Correct 36 ms 7104 KB Output is correct
4 Correct 37 ms 7084 KB Output is correct
5 Correct 37 ms 7084 KB Output is correct
6 Correct 35 ms 7072 KB Output is correct
7 Correct 32 ms 7120 KB Output is correct
8 Correct 31 ms 7132 KB Output is correct
9 Correct 33 ms 7088 KB Output is correct
10 Correct 33 ms 7116 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 7340 KB Output is correct
2 Correct 62 ms 7352 KB Output is correct
3 Correct 61 ms 7252 KB Output is correct
4 Correct 56 ms 7236 KB Output is correct
5 Correct 60 ms 7372 KB Output is correct
6 Correct 60 ms 7340 KB Output is correct
7 Correct 53 ms 7372 KB Output is correct
8 Correct 43 ms 7348 KB Output is correct
9 Correct 61 ms 7308 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 60 ms 7340 KB Output is correct
2 Correct 62 ms 7352 KB Output is correct
3 Correct 61 ms 7252 KB Output is correct
4 Correct 56 ms 7236 KB Output is correct
5 Correct 60 ms 7372 KB Output is correct
6 Correct 60 ms 7340 KB Output is correct
7 Correct 53 ms 7372 KB Output is correct
8 Correct 43 ms 7348 KB Output is correct
9 Correct 61 ms 7308 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 70 ms 7280 KB Output is correct
12 Correct 73 ms 7324 KB Output is correct
13 Correct 68 ms 7344 KB Output is correct
14 Correct 74 ms 7328 KB Output is correct
15 Correct 73 ms 7364 KB Output is correct
16 Correct 72 ms 7344 KB Output is correct
17 Correct 66 ms 7224 KB Output is correct
18 Correct 45 ms 7372 KB Output is correct
19 Correct 46 ms 7256 KB Output is correct
20 Correct 1 ms 1508 KB Output is correct

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1492 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1492 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 7340 KB Output is correct
2 Correct 62 ms 7352 KB Output is correct
3 Correct 61 ms 7252 KB Output is correct
4 Correct 56 ms 7236 KB Output is correct
5 Correct 60 ms 7372 KB Output is correct
6 Correct 60 ms 7340 KB Output is correct
7 Correct 53 ms 7372 KB Output is correct
8 Correct 43 ms 7348 KB Output is correct
9 Correct 61 ms 7308 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 70 ms 7280 KB Output is correct
12 Correct 73 ms 7324 KB Output is correct
13 Correct 68 ms 7344 KB Output is correct
14 Correct 74 ms 7328 KB Output is correct
15 Correct 73 ms 7364 KB Output is correct
16 Correct 72 ms 7344 KB Output is correct
17 Correct 66 ms 7224 KB Output is correct
18 Correct 45 ms 7372 KB Output is correct
19 Correct 46 ms 7256 KB Output is correct
20 Correct 1 ms 1508 KB Output is correct
21 Correct 93 ms 7244 KB Output is correct
22 Correct 83 ms 7416 KB Output is correct
23 Correct 83 ms 7272 KB Output is correct
24 Correct 77 ms 7320 KB Output is correct
25 Correct 87 ms 7332 KB Output is correct
26 Correct 88 ms 7260 KB Output is correct
27 Correct 77 ms 7328 KB Output is correct
28 Correct 49 ms 7244 KB Output is correct
29 Correct 48 ms 7364 KB Output is correct
30 Correct 1 ms 1492 KB Output is correct

Subtask #7
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1500 KB Output is correct
2 Correct 39 ms 7020 KB Output is correct
3 Correct 36 ms 7104 KB Output is correct
4 Correct 37 ms 7084 KB Output is correct
5 Correct 37 ms 7084 KB Output is correct
6 Correct 35 ms 7072 KB Output is correct
7 Correct 32 ms 7120 KB Output is correct
8 Correct 31 ms 7132 KB Output is correct
9 Correct 33 ms 7088 KB Output is correct
10 Correct 33 ms 7116 KB Output is correct
11 Correct 60 ms 7340 KB Output is correct
12 Correct 62 ms 7352 KB Output is correct
13 Correct 61 ms 7252 KB Output is correct
14 Correct 56 ms 7236 KB Output is correct
15 Correct 60 ms 7372 KB Output is correct
16 Correct 60 ms 7340 KB Output is correct
17 Correct 53 ms 7372 KB Output is correct
18 Correct 43 ms 7348 KB Output is correct
19 Correct 61 ms 7308 KB Output is correct
20 Correct 1 ms 1492 KB Output is correct
21 Correct 70 ms 7280 KB Output is correct
22 Correct 73 ms 7324 KB Output is correct
23 Correct 68 ms 7344 KB Output is correct
24 Correct 74 ms 7328 KB Output is correct
25 Correct 73 ms 7364 KB Output is correct
26 Correct 72 ms 7344 KB Output is correct
27 Correct 66 ms 7224 KB Output is correct
28 Correct 45 ms 7372 KB Output is correct
29 Correct 46 ms 7256 KB Output is correct
30 Correct 1 ms 1508 KB Output is correct
31 Incorrect 1 ms 1492 KB Output isn't correct
32 Halted 0 ms 0 KB -