Submission #515959

#	Time	Username	Problem	Language	Result	Execution time	Memory
515959		KoD	Po (COCI21_po)	C++17	70 / 70	9 ms	720 KiB

Main

#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::pair;
using std::tuple;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N;
    std::cin >> N;
    vector<int> val;
    val.push_back(0);
    int ans = 0;
    while (N--) {
        int x;
        std::cin >> x;
        while (val.back() > x) {
            ans += 1;
            val.pop_back();
        }
        if (val.back() != x) {
            val.push_back(x);
        }
    }
    ans += val.size() - 1;
    std::cout << ans << '\n';
    return 0;
}

• Subtask 1: 70 / 70