Submission #858535

#	Time	Username	Problem	Language	Result	Execution time	Memory
858535		sheldon	Money (IZhO17_money)	C++14	100 / 100	810 ms	58140 KiB

money

#include <bits/stdc++.h>

using namespace std;

void solve() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    multiset<int> s;
    s.insert(1e9);
    s.insert(a[0]);
    int start = -1;
    for (int i = 1; i < n; ++i) {
        if (a[i - 1] > a[i]) {
            start = i;
            break;
        }
        s.insert(a[i]);
    }
    if (start == -1) {
        cout << 1;
        return;
    }
    int ans = 1;
    for (int i = start; i < n; ++i) {
        int it = *s.upper_bound(a[i]);
        int j = i + 1;
        while (j < n && a[j] <= it && a[j] >= a[j - 1])  {
            s.insert(a[j]);
            ++j;
        }
        s.insert(a[i]);
        i = j - 1;
        ++ans;
    }
    cout << ans;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    solve();
}

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55