Submission

Status:

[PPPPPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: erng

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.010 second

Submitted On: 2026-03-05 13:54:02

#include <bits/stdc++.h>

using namespace std;

#define ll long long

const ll nx=1e5+5;
ll n, arr[nx], sum;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    for (int i=1; i<=n;i++)
    {
        cin>>arr[i];
        if (i==1) continue;
        if (arr[i]>arr[i-1]) sum+=(arr[i]-arr[i-1]);
    }
    cout<<sum;
}