Submission #535189

#	Time	Username	Problem	Language	Result	Execution time	Memory
535189		andecaandeci	Money (IZhO17_money)	C++17	100 / 100	1014 ms	47372 KiB

money

#include <bits/stdc++.h>
#define REP(v, i, j) for (long long v = i; v != j; v++)
#define FORI(v) for (auto i : v)
#define FORJ(v) for (auto j : v)

#define OUT(v, a)     FORI(v)           cout << i << a;
#define OUTS(v, a, b)          cout << v.size() << a;     OUT(v, b)
#define in(a, n)     REP(i, 0, n)     cin >> a[i];

#define SORT(v) sort(begin(v), end(v))
#define REV(v) reverse(begin(v), end(v))

#define pb push_back
#define fi first
#define se second

#define detachIO                          ios_base::sync_with_stdio(false);     cin.tie(0);                           cout.tie(0);

using namespace std;

typedef pair<long long, long long> pii;
typedef pair<pii, long long> piii;
typedef pair<pii, pii> piiii;

set<long long> st;
vector<long long> v;

int main()
{
    detachIO;

    long long N;
    long long prev = 1E10, ub = 1E10, ans = 0;
    ;
    cin >> N;

    while (N--)
    {
        long long x;
        cin >> x;

        if (prev > x || x > ub)
        {
            ans++;
            if (st.upper_bound(x) != st.end())
                ub = *st.upper_bound(x);
            else
                ub = 1E10;
        }

        prev = x;

        st.insert(x);
    }

    cout << ans << '\n';
}

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