Submission

Score: 100

User: KantaponZ

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.013 second

Submitted On: 2026-03-10 14:34:12

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

#define ll long long

const int nx = 1e5 + 5;

ll n, p[nx], d[nx];
ll ans = 0;

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin >> n >> p[1];
    for (int i = 2; i <= n; i++) {
        cin >> p[i];
        d[i] = p[i] - p[i - 1];
        if (d[i] > 0) {
            ans += d[i];
        }
    }
    cout << ans;
}