# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
998409 | amirhoseinfar1385 | Monkey and Apple-trees (IZhO12_apple) | C++17 | 50 ms | 3164 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<bits/stdc++.h>
using namespace std;
int c;
struct node{
int cl,cr;
int res=0,f=0;
node(){
cl=cr=-1;
res=f=0;
}
}fakenode;
vector<node>all(1);
int getl(int u){
if(all[u].cl==-1){
all[u].cl=(int)all.size();
all.push_back(fakenode);
}
return all[u].cl;
}
int getr(int u){
if(all[u].cr==-1){
all[u].cr=(int)all.size();
all.push_back(fakenode);
}
return all[u].cr;
}
void upd(int u,int l,int r,int tl,int tr){
if(l>r||l>tr||r<tl||tl>tr||all[u].f==1){
return ;
}
if(l>=tl&&r<=tr){
all[u].cl=all[u].cr=-1;
all[u].res=r-l+1;
all[u].f=1;
return ;
}
int m=(l+r)>>1;
upd(getl(u),l,m,tl,tr);
upd(getr(u),m+1,r,tl,tr);
all[u].res=(all[getr(u)]).res+(all[getl(u)].res);
}
int pors(int u,int l,int r,int tl,int tr){
if(l>r||l>tr||r<tl||tl>tr||all[u].res==0){
return 0;
}
if((all[u].f)==1){
return min(r,tr)-max(l,tl)+1;
}
int m=(l+r)>>1;
return pors(getl(u),l,m,tl,tr)+pors(getr(u),m+1,r,tl,tr);
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t;
cin>>t;
for(int asd=0;asd<t;asd++){
int qq;
cin>>qq;
int l,r;
cin>>l>>r;
l+=c;
r+=c;
if(qq==1){
int res=pors(0,0,1073741824-1,l,r);
cout<<res<<"\n";
c=res;
}else{
upd(0,0,1073741824-1,l,r);
}
}
}
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---|---|---|---|---|
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