Submission #780848

#	Time	Username	Problem	Language	Result	Execution time	Memory
780848		borisAngelov	Po (COCI21_po)	C++17	70 / 70	9 ms	1888 KiB

Main

#include <bits/stdc++.h>

using namespace std;

const int maxn = 100005;

int n;

int a[maxn];

stack<int> st;

void fastIO()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}

int main()
{
    fastIO();

    cin >> n;

    for (int i = 1; i <= n; ++i)
    {
        cin >> a[i];
    }

    int ans = 0;

    for (int i = 1; i <= n; ++i)
    {
        while (!st.empty() && st.top() > a[i])
        {
            st.pop();
        }

        if (!st.empty() && st.top() == a[i])
        {
            continue;
        }

        if (a[i] != 0)
        {
            ++ans;
            st.push(a[i]);
        }
    }

    cout << ans << endl;

    return 0;
}

• Subtask 1: 70 / 70