Submission

Score: 100

User: goine

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.025 second

Submitted On: 2026-03-23 21:20:57

#include<bits/stdc++.h>
using namespace std;

#define int long long

signed main() {
    int n;
    cin >> n;

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

    int answer = 0;
    for (int i = 1; i < n; i++) {
        if (days[i] > days[i - 1]) {
            answer += days[i] - days[i - 1];
        }
    }
    cout << answer << '\n';
    return 0;
}