Submission

Score: 100

User: Yowaine

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-06-07 20:52:45

/*
TASK: c2_st66_stock
LANG: C++
AUTHOR: Yowaine
*/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) x.begin() , x.end()
#define newline cout << "\n"
int n;
ll ans;
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    cout.tie(0);
    cin >> n;
    vector <int> stock(n);
    for (int i = 0 ; i < n ; i++) cin >> stock[i];
    for (int i = 1 ; i < n ; i++) ans += max(0 , stock[i] - stock[i - 1]);
    cout << ans << "\n";
    return 0;
}