Submission

[PP-SSSSSSS]

Score: 0

User: Dormon

Problemset: stock

Language: cpp

Time: 0.002 second

Submitted On: 2025-03-26 12:22:44

#include <iostream>
#include <vector>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n;
    long long ans = 0ll;
    cin >> n;

    vector<long long> v(n + 1);
    for (int i = 1;i <= n;i++)
        cin >> v[i];
    
    for (int i = 2;i <= n;i++)
        ans += max(0ll, v[i] - v[i - 1]);

    cout << ans << '\n';

}