Submission

Score: 100

User: kenmuay

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.013 second

Submitted On: 2026-02-28 21:07:32

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

const int maxn = 1e5+10;
int a[maxn];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    long long sums=0;
    for(int i=1; i<=n; i++){
        cin >> a[i];
        if(i == 1) continue;
        if(a[i-1] < a[i]) sums = sums+a[i]-a[i-1];

    }
    cout << sums << '\n';
    
    
}

/*
5
6 2 3 7 4
*/