Submission

Score: 100

User: someone

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.010 second

Submitted On: 2026-03-10 09:47:16

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

int main() {
    cin.tie(nullptr)->sync_with_stdio(0);
    ll n;
    cin >> n;
    vector<ll> p(n);
    ll profit = 0;
    for (ll i = 0 ; i < n ; i++) cin >> p[i];
    for (ll i = 1 ; i < n ; i++) {
        profit += max(0ll, p[i] - p[i-1]);
    }
    cout << profit;
}