原题链接题解找到每一个点右边能递增多远和左边能递增多远code#include<bits/stdc++.h>usingnamespacestd;inta[100005],r[100005],l[100005];intmain(){intn,m;cin>>n>>m;for(inti=1;i<=n;i++)cin>>a[i];r[n]=n;for(inti=n-1;i>