Submission

Score: 100

User: Krovmoroz

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.011 second

Submitted On: 2026-01-17 09:28:04

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

int N,pre,cur;
long long ans = 0;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> N;
    cin >> pre;

    for (int i = 0; i < N-1 ; i++) {
      cin >> cur;
      if (cur > pre) {
        ans += 1LL*(cur-pre);
      }
      pre = cur;
    }
    cout << ans;
    return 0;
}