Submission

Score: 100

User: amongus

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.010 second

Submitted On: 2026-03-07 14:19:14

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
int a[100005];
int main(){


    int n ;scanf("%d",&n);
    ll ans=0;
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        if(i>1 && a[i]>a[i-1])
            ans = ans+ a[i] -a[i-1];
    }
    printf("%lld",ans);

}