Submission

Score: 100

User: letdown

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-14 09:39:22

#include <bits/stdc++.h>

#define int long long
using namespace std;
signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    int n;
    cin >> n;
    int a[n];
    for (int i = 0; i < n; i++) cin >> a[i];

    int ans = 0;
    for (int i = 1; i < n; i++) {
        if (a[i] > a[i-1]) ans += a[i] - a[i-1];
    }
    cout << ans;
}