Submission

Score: 100

User: Kikii

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-11 09:56:55

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

int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin >> n;
    vector<long long> v(n);
    for(int i = 0; i < n; i ++){
        cin >> v[i];
    }
    long long ans = 0;
    for(int i = 0; i < n-1; i ++){
        ans += max(0LL, v[i+1] - v[i]);
    }
    cout << ans;
}