#include <bits/stdc++.h>
using namespace std;
#define lc (id<<1)
#define rc ((id<<1)|1)
#define ii pair<int,int>
#define fi first
#define se second
const int maxn=2e6+7;
const int inf=1e9+7;
int res[maxn];
struct segtree{
int n;
vector<int>t;
vector<pair<int,int>>lazy;
segtree(){}
segtree(int n):n(n),t(n*4+7,0),lazy(n*4+7,{0,0}){}
void pulldec(int x,int k)
{
t[x]=min(t[x],k);
lazy[x].fi=min(lazy[x].fi,k);
lazy[x].se=min(lazy[x].se,k);
}
void pulladd(int x,int k)
{
t[x]=max(t[x],k);
lazy[x].fi=max(lazy[x].fi,k);
lazy[x].se=max(lazy[x].se,k);
}
void down(int id){
if(lazy[id].fi!=-inf){
pulladd(lc,lazy[id].fi);
pulladd(rc,lazy[id].fi);
}
if(lazy[id].se!=inf){
pulldec(lc,lazy[id].se);
pulldec(rc,lazy[id].se);
}
lazy[id]={-inf,inf};
}
void up(int id,int l,int r,int u,int v,int k,int type){
if(l>v||r<u){
return;
}
if(u<=l&&r<=v){
if(type==1)pulladd(id,k);
else pulldec(id,k);
return;
}
if(l!=r)down(id);
int m=(l+r)/2;
up(lc,l,m,u,v,k,type);
up(rc,m+1,r,u,v,k,type);
}
void get(int id,int l,int r){
if(l==r){
res[l]=t[id];
return;
}
if(l!=r)down(id);
int m=(l+r)/2;
get(lc,l,m);
get(rc,m+1,r);
}
void up(int u,int v,int k,int type){up(1,0,n-1,u,v,k,type);}
void get(){get(1,0,n-1);}
};
void buildWall(int n, int k, int op[], int left[], int right[],int height[], int finalHeight[])
{
segtree t(n);
for(int i=0;i<k;i++){
t.up(le[i],ri[i],height[i],op[i]);
}
t.get();
for(int i=0;i<n;i++)finalHeight[i]=res[i];
}
Compilation message
wall.cpp: In function 'void buildWall(int, int, int*, int*, int*, int*, int*)':
wall.cpp:72:14: error: 'le' was not declared in this scope; did you mean 'se'?
72 | t.up(le[i],ri[i],height[i],op[i]);
| ^~
| se
wall.cpp:72:20: error: 'ri' was not declared in this scope; did you mean 'i'?
72 | t.up(le[i],ri[i],height[i],op[i]);
| ^~
| i
