Submission #156172

#	Time	Username	Problem	Language	Result	Execution time	Memory
156172		theboatman	Money (IZhO17_money)	C++17	0 / 100	2 ms	376 KiB

money

#include <bits/stdc++.h>

#define y1 theboatman
#define make_struct(args...) {args}

using namespace std;

int main() {
    cin.tie(0);
    ios :: sync_with_stdio(0);

    int n;
    cin >> n;

    vector <int> a(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i];
    }

    int now = 0, x = 0;
    while(now < n && x <= a[now]) {
        x = a[now];
        now++;
    }

    set <int> bank;
    for(int i = 0; i < now; i++) {
        bank.insert(a[i]);
    }

    int ans = 0;
    for(int i = now; i < n; i++) {
        if (a[i] >= *--bank.end()) {
            int x = a[i];
            while(i < n && x <= a[i]) {
                x = a[i];
                bank.insert(x);
                i++;
            }
            i--;
        }
        else {
            if (a[i] < *bank.begin()) {
                int x = a[i];
                while(i < n && x <= a[i] && a[i] <= *bank.begin()) {
                    x = a[i];
                    bank.insert(x);
                    i++;
                }
                i--;
            }
            else {
                int x = a[i];
                while(i < n && x <= a[i] && a[i] <= *--bank.end()) {
                    x = a[i];
                    bank.insert(x);
                    i++;
                }
                i--;
            }
        }

        ans++;
    }

    cout << ans << "\n";
    return 0;
}
/*
1 5 6
*/

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