이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define X first
#define Y second
#define ALL(v) v.begin(),v.end()
#define SZ(a) ((int)a.size())
#define pb push_back
int seg[200005],lazy[200005];
void build(int l,int r,int rt,vector<int> &v)
{
    if(l==r)
        return seg[rt]=v[l],void();
    int mid=(l+r)>>1;
    build(l,mid,rt<<1,v),build(mid+1,r,rt<<1|1,v);
    seg[rt]=min(seg[rt<<1],seg[rt<<1|1]);
}
void down(int rt)
{
    if(lazy[rt])
    {
        seg[rt<<1]+=lazy[rt],lazy[rt<<1]+=lazy[rt];
        seg[rt<<1|1]+=lazy[rt],lazy[rt<<1|1]+=lazy[rt];
        lazy[rt]=0;
    }
}
void modify(int L,int R,int l,int r,int rt,int val)
{
    if(l!=r) down(rt);
    if(L<=l&&R>=r)
        return lazy[rt]+=val,seg[rt]+=val,void();
    int mid=(l+r)>>1;
    if(L<=mid)
        modify(L,R,l,mid,rt<<1,val);
    if(R>mid)
        modify(L,R,mid+1,r,rt<<1|1,val);
    seg[rt]=min(seg[rt<<1],seg[rt<<1|1]);
}
int query(int l,int r,int rt)
{
    if(l!=r) down(rt);
    if(l==r)
        return l;
    int mid=(l+r)>>1;
    if(seg[rt<<1]<=seg[rt<<1|1])
        return query(l,mid,rt<<1);
    return query(mid+1,r,rt<<1|1);
}
const int INF=1e9;
int arr[200005];
void init(int k, vector<int> r)
{
    int n=SZ(r);
	build(0,n-1,1,r);
    for(int i=n;i>=1;--i)
    {
        int u=query(0,n-1,1);
        if(u>=k-1)
            modify(u-k+1,u,0,n-1,1,-1);
        else
            modify(0,u,0,n-1,1,-1),modify(n-(k-u-1),n-1,0,n-1,1,-1);
        modify(u,u,0,n-1,1,INF),arr[u]=i;
    }
}
int compare_plants(int x, int y)
{
	return (arr[x]>arr[y])?1:-1;
}
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