Submission

Score: 100

User: tha_smith

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.008 second

Submitted On: 2026-03-07 13:57:38

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

int main() {
	ios_base::sync_with_stdio(0),cin.tie(0);
	ll N;
	cin >> N;
	ll n[N+1];
	for(ll i=1; i<=N; i++) {
		cin >> n[i];
	}
	ll ans = 0;
	for(ll i=1; i<N; i++) {
		ans+=max((ll)0,n[i+1]-n[i]);
	}
	cout << ans;
}