#include<bits/stdc++.h>
//#include "wall.h"
#define endl '\n'
using namespace std;
void speed()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
}
int n,k,type,le,ri,hi,otg[10000005],lazy[10000005],p[10000005],lazys[10000005];
void push_lazy(int h,int l,int r)
{
if(lazys[h])
{
if(lazy[h*2]>lazys[h])
{
lazy[h*2]=lazys[h];
p[h*2]=1;
}
if(lazy[h*2+1]>lazys[h])
{
lazy[h*2+1]=lazys[h];
p[h*2]=1;
}
lazys[h]=0;
}
if(lazy[h]!=-1)
{
if(p[h]==1)
{
if(lazy[h]>lazy[h*2])
{
lazy[h*2]=lazy[h];
}
else if(p[h*2]==2)
{
lazys[h*2]=lazy[h*2];
lazy[h*2]=lazy[h];
}
if(lazy[h]>lazy[h*2+1])
{
lazy[h*2+1]=lazy[h];
}
else if(p[h*2+1]==2)
{
lazys[h*2+1]=lazy[h*2+1];
lazy[h*2+1]=lazy[h];
}
p[h*2]=1;
p[h*2+1]=1;
}
else
{
if(lazy[h*2]==-1)
{
lazy[h*2]=lazy[h];
p[h*2]=2;
}
if(lazy[h*2+1]==-1)
{
lazy[h*2+1]=lazy[h];
p[h*2+1]=2;
}
if(lazy[h]<lazy[h*2])
{
lazy[h*2]=lazy[h];
p[h*2]=1;
}
if(lazy[h]<lazy[h*2+1])
{
lazy[h*2+1]=lazy[h];
p[h*2+1]=1;
}
}
lazy[h]=-1;
p[h]=0;
}
}
void make_start(int l,int r,int h)
{
if(l==r)return;
lazy[h]=-1;
int m=(l+r)/2;
make_start(l,m,h*2);
make_start(m+1,r,h*2+1);
}
void update(int l,int r,int ql,int qr,int h,int hi,int type)
{
if(l>qr||r<ql)return;
if(l!=r)push_lazy(h,l,r);
if(l>=ql&&r<=qr)
{
if(l==r)
{
if(type==1)lazy[h]=max(lazy[h],hi);
else lazy[h]=min(lazy[h],hi);
return;
}
lazy[h]=hi;
p[h]=type;
//cout<<l<<" "<<r<<" "<<lazy[h]<<endl;
return;
}
//cout<<l<<" "<<r<<" "<<lazy[h]<<endl;
int m=(l+r)/2;
update(l,m,ql,qr,h*2,hi,type);
update(m+1,r,ql,qr,h*2+1,hi,type);
}
void print(int l,int r,int h)
{
if(l==r)
{
otg[l]=lazy[h];
return;
}
//cout<<l<<" "<<r<<" "<<lazy[h]<<" "<<p[h]<<endl;
push_lazy(h,l,r);
//cout<<l<<" "<<r<<" "<<lazy[h]<<" "<<p[h]<<endl;
//cout<<endl;
int m=(l+r)/2;
print(l,m,h*2);
print(m+1,r,h*2+1);
}
void buildWall(int n, int k, int type[], int le[], int ri[], int hi[], int finalHeight[])
{
make_start(1,n,1);
for(int i=0;i<k;i++)
{
le[i]++;
ri[i]++;
update(1,n,le[i],ri[i],1,hi[i],type[i]);
}
print(1,n,1);
for(int i=1;i<=n;i++)
{
finalHeight[i-1]=otg[i];
}
}
void read()
{
cin>>n>>k;
make_start(1,n,1);
for(int i=1;i<=k;i++)
{
cin>>type>>le>>ri>>hi;
le++;
ri++;
update(1,n,le,ri,1,hi,type);
}
print(1,n,1);
for(int i=1;i<=n;i++)
{
cout<<otg[i]<<" ";
}
cout<<endl;
}
int main()
{
speed();
read();
return 0;
}
Compilation message
/usr/bin/ld: /tmp/cclnz6CG.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccAknbWH.o:wall.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
