Submission

Score: 100

User: navysrimuang

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.009 second

Submitted On: 2026-03-14 20:39:28

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

int main(){
	cin.tie(0)->sync_with_stdio(0);
	ll ans = 0;
	int n;
	cin >> n;
	vector<int> v(n);
	for(int i = 0;i<n;i++) cin >> v[i];
	for(int i = 1;i<n;i++) if(v[i] - v[i-1] > 0) ans += v[i] - v[i-1];	
	cout << ans << "\n";
	return 0;
}