Submission

Score: 0

User: qweqwe

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-22 15:28:29

#include <bits/stdc++.h>
#define speed cin.tie(0)->sync_with_stdio(0)
#define ll long long
#define pii pair<int,int>
using namespace std;

int main(){
	speed;
	int n;cin >> n;
	int mn=1e9+1,mx=0;
	vector<int> v(n);
	for (int i=0;i<n;i++){
		cin >> v[i];
	}
	int r=n-1,l=0;
	while (l<r){
		mx=max(mx,v[r]-v[l]);
		if (v[l]>=v[r]) r--;
		else l++;
	}cout << mx;
	return 0;
}