Submission

Score: 100

User: boss

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-07 11:08:32

#include<bits/stdc++.h>
using namespace std;

using ll=long long;
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	ll n;
	
	cin>>n;
	vector<ll> v(n+5);
	for(int i=0;i<n;i++)
	{
		ll x;
		cin>>x;
		v[i]=x;
	}
//	sort(v.begin(),v.end());
	ll ans=0;
	for(int i=0;i<n;i++)
	{
		if(v[i]<v[i+1])
		{
			ans+=v[i+1]-v[i];
		}
	}
	cout<<ans;
	
	
	
	
	return 0;
}