Submission

Score: 100

User: sulinx

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-09 11:41:16

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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n;
    cin >> n;
    ll ans = 0;
    
    vector<ll> stock(n);
    cin >> stock[0];
    
    for(int i = 1;i<n;i++){
        cin >> stock[i];
        if(stock[i] > stock[i-1]){
            ans += stock[i] - stock[i-1];
        }
    }
    cout << ans;
}