제출 #109150

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
109150		bibabas	Money (IZhO17_money)	C++14	0 / 100	2 ms	384 KiB

money

#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>
#define ll long long
#define vi vector<int>
#define vvi vector<vi>
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair

int INF = (int)2e9;

using namespace std;

template <class T>
istream& operator >>(istream &in, vector<T> &arr) {
    for (T &cnt : arr) {
        in >> cnt;
    }
    return in;
};

void solve() {
    int n; cin >> n;
    vi a(n); cin >> a;
    set<int> lol;
    int ans = 1;
    int j = 0;
    lol.insert(a[0]);
    for (int i = 1; i < n; ++i){
        auto it = lol.upper_bound(a[i]);
        int pos = distance(lol.begin(), it) - 1;
        lol.insert(a[i]);
        if (pos != j)
            ans++;
        j = pos + 1;
    }
    cout << ans;
}

int main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#else
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
#endif

    solve();

    return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55