Submission #710125

#	Time	Username	Problem	Language	Result	Execution time	Memory
710125		blackscreen1	Money (IZhO17_money)	C++17	0 / 100	1 ms	248 KiB

money

#include <bits//stdc++.h>
using namespace std;
#define ll long long
#define iloop(m, h) for (auto i = m; i != h; i+=(m<h?1:-1))
#define jloop(m, h) for (auto j = m; j != h; j+=(m<h?1:-1))
#define kloop(m, h) for (auto k = m; k != h; k+=(m<h?1:-1))
#define lloop(m, h) for (auto l = m; l != h; l+=(m<h?1:-1))
#define iloop_(m, h, g) for (auto i = m; i != h; i+=g)
#define jloop_(m, h, g) for (auto j = m; j != h; j+=g)
#define kloop_(m, h, g) for (auto k = m; k != h; k+=g)
#define lloop_(m, h, g) for (auto l = m; l != h; l+=g)
#define getchar_unlocked _getchar_nolock // comment before submission
#define pll pair<ll,ll>
#define plll pair<ll, pll>
#define pllll pair<pll, pll>
#define vll vector<ll>
#define qll queue<ll>
#define dll deque<ll>
#define pqll priority_queue<ll>
#define gll greater<ll>
#define INF 1000000000000000
#define MOD1 1000000007
#define MOD2 998244353
#define MOD3 1000000009
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll n;
    cin >> n;
    ll a[n];
    iloop(0, n) cin >> a[i];
    ll prev = -1, cnt = 0;
    set<ll> active;
    active.insert(INF);
    iloop(0, n) {
		if (prev == -1) {
			cnt++;
		}
		else if (a[i] < prev || (*active.upper_bound(prev) < a[i])) {
			cnt++;
		}
		active.insert(a[i]);
		prev = a[i];
	}
	cout << cnt;
}

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