Submission

Score: 100

User: krittaphot

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.026 second

Submitted On: 2026-03-06 12:45:24

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {

    int n; cin >> n;
    ll v[n+1];
    for (int i = 1; i <= n; ++i) cin >> v[i];

    ll ans = 0;
    for (int i = 2; i <= n; ++i) {
        if (v[i] > v[i-1]) ans += v[i] - v[i-1];
    }

    cout << ans;


}