Submission

Status:

[PPPPPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: exoworldgd

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-28 14:03:14

#pragma GCC optimize("Ofast,unroll-loops,inline,fast-math,omit-frame-pointer")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt,tune=native,fma")
#include<bits/stdc++.h>
#define int long long
#define exoworldgd cin.tie(0)->sync_with_stdio(0),cout.tie(0)
using namespace std;
int n,a[100005],s;
signed main(void){
    exoworldgd;
    cin>>n;
    for(int i=0;i<n;i++)cin>>a[i];
    for(int i=1;i<n;i++)s+=max(0ll,a[i]-a[i-1]);
    cout<<s;
}