# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
877062 | presko | Monkey and Apple-trees (IZhO12_apple) | C++14 | 142 ms | 52396 KiB |
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<iostream>
#include<bits/stdc++.h>
#define MAXN 4000010
#define BIL 1000000010
using namespace std;
struct node
{
int l,r;
bool lazy;
int sum;
void newNode()
{
lazy=0; sum=0;
l=-1;
r=-1;
}
};
int len=1;
node tree[MAXN];
void update(int ind, int l, int r, int ql, int qr)
{
if(ql<=l && r<=qr)
{
tree[ind].lazy=1;
return;
}
int mid=(l+r)/2;
if(ql<=mid)
{
if(tree[ind].l==-1)
{
len++;
tree[len].newNode();
tree[ind].l=len;
}
update(tree[ind].l,l,mid,ql,qr);
}
if(qr>mid)
{
if(tree[ind].r==-1)
{
len++;
tree[len].newNode();
tree[ind].r=len;
}
update(tree[ind].r,mid+1,r,ql,qr);
}
tree[ind].sum=0;
if (tree[ind].l!=-1) {
if (tree[tree[ind].l].lazy==1) tree[ind].sum+=(mid-l+1);
else tree[ind].sum+=tree[tree[ind].l].sum;
}
if (tree[ind].r!=-1) {
if (tree[tree[ind].r].lazy==1) tree[ind].sum+=(r-(mid+1)+1);
else tree[ind].sum+=tree[tree[ind].r].sum;
}
}
int query(int ind, int l, int r, int ql, int qr, bool up)
{
up|=tree[ind].lazy;
if(ql<=l && r<=qr){
if (up==true) return (r-l+1);
return tree[ind].sum;
}
int mid=(l+r)/2;
int val1=0,val2=0;
if(ql<=mid)
{
if(tree[ind].l!=-1) val1= query(tree[ind].l,l,mid,ql,qr,up);
else if(up>0)
{
len++;
tree[len].newNode();
tree[ind].l=len;
val1= query(tree[ind].l,l,mid,ql,qr,up);
}
}
if(qr>mid)
{
if(tree[ind].r!=-1)val2= query(tree[ind].r,mid+1,r,ql,qr,up);
else if(up>0)
{
len++;
tree[len].newNode();
tree[ind].r=len;
val2= query(tree[ind].r,mid+1,r,ql,qr,up);
}
}
return val1+val2;
}
int main()
{
int n,c=0;
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>n;
tree[1].newNode();
for(int i=0;i<n;i++)
{
int d,x,y;
cin>>d>>x>>y;
if(d==2)
{
update(1,1,BIL,x+c,y+c);
}
else
{
int res=query(1,1,BIL,x+c,y+c,0);
c=res;
cout<<res<<"\n";
}
}
}
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