Submission

Score: 100

User: kittipos

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-09 22:09:38

#include <bits/stdc++.h>

using namespace std;

#define int long long

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;

    int sum = 0;    
    int prev;
    cin >> prev;

    for (int i = 1; i < n; i++) {
        int cur;
        cin >> cur;

        if (cur - prev > 0) {
            sum += cur - prev;
        }

        prev = cur;
    }
    cout << sum;

    return 0;
}