답안 #491776

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
491776 2021-12-04T10:34:03 Z VodkaInTheJar Money (IZhO17_money) C++14
100 / 100
1040 ms 69772 KB
#include <bits/stdc++.h>
#define endl '\n'

using namespace std;

const int maxn = 1e6 + 3;

int n;
int a[maxn];
void read()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
}

int dp[maxn];
int r[maxn];
int up[maxn];
void solve()
{
    r[n] = n;
    for (int i = n-1; i >= 1; i--)
    {
        if (a[i] <= a[i+1])
            r[i] = r[i+1];

        else
            r[i] = i;
    }

    set <int> s;
    for (int i = 1; i <= n; i++)
    {
        auto it = s.upper_bound(a[i]);
        if (it == s.end())
            up[i] = INT_MAX;

        else
            up[i] = *it;

        s.insert(a[i]);
    }

    dp[n+1] = 0;
    for (int i = n; i >= 1; i--)
    {
        int low = i, high = r[i];
        while (low < high)
        {
            int mid = (low + high + 1) / 2;
            if (a[mid] > up[i])
                high = mid-1;

            else
                low = mid;
        }

        dp[i] = dp[low + 1] + 1;
    }

    cout << dp[1] << endl;
}

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

    read();
    solve();
}


/*
6
3 6 4 5 1 2
*/
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 0 ms 332 KB Output is correct
37 Correct 0 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 0 ms 332 KB Output is correct
37 Correct 0 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 52 ms 7744 KB Output is correct
40 Correct 87 ms 12644 KB Output is correct
41 Correct 43 ms 6324 KB Output is correct
42 Correct 43 ms 5592 KB Output is correct
43 Correct 29 ms 4036 KB Output is correct
44 Correct 108 ms 15896 KB Output is correct
45 Correct 108 ms 15948 KB Output is correct
46 Correct 109 ms 15896 KB Output is correct
47 Correct 90 ms 15900 KB Output is correct
48 Correct 97 ms 15888 KB Output is correct
49 Correct 405 ms 34388 KB Output is correct
50 Correct 438 ms 34400 KB Output is correct
51 Correct 410 ms 34456 KB Output is correct
52 Correct 400 ms 34336 KB Output is correct
53 Correct 436 ms 34448 KB Output is correct
54 Correct 391 ms 34372 KB Output is correct
55 Correct 942 ms 62912 KB Output is correct
56 Correct 984 ms 69640 KB Output is correct
57 Correct 949 ms 69608 KB Output is correct
58 Correct 972 ms 69648 KB Output is correct
59 Correct 1040 ms 69736 KB Output is correct
60 Correct 974 ms 69720 KB Output is correct
61 Correct 931 ms 69772 KB Output is correct
62 Correct 928 ms 69572 KB Output is correct