This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;
int n,maxs,perm[MAXN],k;
int tree[4*MAXN],lazy[4*MAXN];
void psh(int v){
tree[2*v]+=lazy[v];
tree[2*v+1]+=lazy[v];
lazy[2*v]+=lazy[v];
lazy[2*v+1]+=lazy[v];
lazy[v]=0;
}
void update(int v,int l,int r,int ll,int rr,int val){
if(ll>rr)return;
if(l==ll and r==rr){
tree[v]+=val;
lazy[v]+=val;
}else{
int tt=(l+r)/2;
psh(v);
update(2*v,l,tt,ll,min(tt,rr),val);
update(2*v+1,tt+1,r,max(tt+1,ll),rr,val);
tree[v]=min(tree[2*v],tree[2*v+1]);
}
}
int getmin(int v,int l,int r,int ll,int rr){
if(ll>rr)return n;
if(l==ll and r==rr){
return tree[v];
}else{
int tt=(l+r)/2;
psh(v);
return min( getmin(2*v,l,tt,ll,min(tt,rr)) , getmin(2*v+1,tt+1,r,max(tt+1,ll),rr) );
}
}
int mins(int l,int r){
if(l>=0)return getmin(1,0,n-1,l,r);
return min( getmin(1,0,n-1,n+l,n-1) , getmin(1,0,n-1,0,r) );
}
void upgrade(int l,int r){
if(l>=0)update(1,0,n-1,l,r,-1);
else{
update(1,0,n-1,n+l,n-1,-1);
update(1,0,n-1,0,r,-1);
}
}
void solve(int l,int r){
if(l==r){
if(mins(l-k+1,l-1)>0)maxs=l;
return;
}
int tt=(l+r)/2;
if(getmin(1,0,n-1,l,tt)==0){
solve(l,tt);
}else if(getmin(1,0,n-1,tt+1,r)==0){
solve(tt+1,r);
}
}
void init(int K,vector<int> r){
n=int(r.size()); k=K;
for(int i=0;i<n;i++){
update(1,0,n-1,i,i,r[i]);
}
for(int i=n-1;i>=0;i--){
solve(0,n/2-1);
solve(n/2,n-1);
perm[maxs]=i;
upgrade(maxs-k+1,maxs-1);
update(1,0,n-1,maxs,maxs,n-1);
}
}
int compare_plants(int x, int y){
if(perm[x]>perm[y])return 1;
return -1;
}
/*
int main(){
init(4,{3,0,0,0,1,2});
}
*/
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