Submission

Score: 100

User: Quaoar

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.014 second

Submitted On: 2025-12-10 11:43:56

#include <iostream>
using namespace std;
typedef long long ll;
ll arr[100000];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    ll sum = 0;
    
    cin >> n;
    for (int i = 0 ; i < n ; i++){
        cin >> arr[i];
    }
    
    for (int i = 0 ; i < n - 1; i++){
        ll temp = arr[i];
        if (arr[i + 1] > temp){
            sum += arr[i + 1] - temp;
        }
    }

    cout << sum;
    return 0;
}