Submission #710103

#	Time	Username	Problem	Language	Result	Execution time	Memory
710103		WH8	Money (IZhO17_money)	C++14	0 / 100	2 ms	212 KiB

money

#include <bits/stdc++.h>
using namespace std;
#define iloop(x, n) for (long long i = x; i < n; ++i)
#define jloop(x, n) for (long long j = x; j < n; ++j)
#define kloop(x, n) for (long long k = x; k < n; ++k)
#define dloop(x, n) for (long long d = x; d >= n; --d)
#define ll long long
#define pll pair<long long, long long>
#define pii pair<int, int>
#define vi vector<long long>
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define int long long
#define endl '\n'
#define debug(x) cout << #x << ": " << x << endl
#define FASTIO               \
    ios::sync_with_stdio(false); \
	cin.tie(0);              \
    cout.tie(0);


signed main(){
	int n; cin >> n;
	vi v(n); iloop(0, n) cin >> v[i];
	set<int> s;
	int i = 0;
	int cnt = 0;
	while (i < n){
		int j = i;
		//debug(i);
		vi c;
		c.pb(v[i]);
		while (j + 1 < n and v[j+1] >= v[j]){
			j++;
			c.pb(v[j]);
		}
		//debug(j);
		int first = c[0];
		auto it = s.upper_bound(first);
		int ptr = 0;
		int sz = (int)c.size();
		if (ptr + 1 == sz) cnt++;
		else while (ptr + 1 < sz){
			while (ptr + 1 < sz and (c[ptr+1] <= *it or it == s.end())){
				ptr++;
			}
			//debug(ptr);
			if (it != s.end())it++;
			cnt++;
		}
		for (auto it : c) s.insert(it);
		i = j + 1;
	}
	cout << cnt;
}

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