oj.uz

답안 #491766

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
491766 2021-12-04T09:48:31 Z VodkaInTheJar Money (IZhO17_money) C++14
0 / 100
 0 ms 204 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];
}

set <int> s;
void solve()
{
    int ans = 0;
    for (int i = 1; i <= n; )
    {
        ans++;
        auto it = s.lower_bound(a[i]);
        bool is = false;
        for (int j = i+1; j <= n; j++)
        {
            auto it1 = s.lower_bound(a[j]);
            if (a[j] < a[j-1] || !(it == s.end() || it1 == it || it1 == next(it)))
            {
                for (int k = i; k < j; k++)
                    s.insert(a[k]);

                is = true;
                i = j;
                break;
            }
        }

        if (!is)
            break;
    }

    cout << ans << endl;
}

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

    read();
    solve();
}


/*
6
3 6 4 5 1 2
*/

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -