Submission

Score: 0

User: tull

Problemset: ซื้อขายหุ้นซีเค

Language: cpp

Time: 0.002 second

Submitted On: 2026-06-02 22:37:48

#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define bp '\n'
#define ld long double
#define vp cout<<'\n';
#define all(A) A.begin(),A.end()
using pii=pair<int,int>;
const int MOD=1e9+7;
const int MNLL=-1e18;
const int MXLL=1e18;
const int N=2e5+10;
const string sans[]={"NO","YES"};
signed main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    int n,mn=MXLL,mx=MNLL,ans=0,x;
    cin>>n>>x;
    mn=mx=x;
    for(int i=1;i<n;++i){
        cin>>x;
        mn=min(mn,x);
        mx=max(mx,x);
        ans=max(ans,mx-mn);
    }
    cout<<ans;
}