Submission

Score: 0

User: boss

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-07 11:03:20

#include<bits/stdc++.h>
using namespace std;
using pii=pair<long long,long long>;
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n;
	
	cin>>n;
	vector<pii> v(n+5);
	for(int i=0;i<n;i++)
	{
		int x;
		cin>>x;
		v[i].first=x;
		v[i].second=i;
	}
//	sort(v.begin(),v.end());
	int ans=0;
	for(int i=0;i<n;i++)
	{
		if(v[i].first<v[i+1].first)
		{
			ans+=v[i+1].first-v[i].first;
		}
	}
	cout<<ans;
	
	
	
	
	return 0;
}