Submission

Score: 100

User: skibididopdop

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-15 16:07:49

#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);
    for (int i=0;i<n;i++){
        cin>>v[i];
    }
    ll sum=0;
    for (int i=0;i<n;i++){
        if (i!=n-1&&v[i]<v[i+1]){
            sum+=v[i+1]-v[i];
        }
    }
    cout<<sum;
}