Submission #372996

#	Time	Username	Problem	Language	Result	Execution time	Memory
372996		sam571128	Po (COCI21_po)	C++14	70 / 70	15 ms	1536 KiB

Main

#include <bits/stdc++.h>

#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

signed main(){
	fastio
	int n;
	cin >> n;
	int arr[n];
	stack<int> s;
	int ans = 0;
	for(auto &x : arr){
		cin >> x;
		while(!s.empty()&&s.top()>x){
			s.pop();
		}
		if(x==0) continue;
		if(s.empty()||s.top()!=x){
			ans++;
			s.push(x);
		}
	}
	cout << ans << "\n";
}

• Subtask 1: 70 / 70