#include<bits/stdc++.h>
using namespace std;
const int INF=1e9;
int cnt_nodes=0;
struct tree
{
struct node
{
node *l,*r;
int minval,cnt;
int L,R;
int lazy;
node(int _l,int _r)
{
l=nullptr;
r=nullptr;
minval=0;cnt=_r-_l+1;
L=_l;R=_r;
}
};
node* root=nullptr;
node* xd;
node* merge(node *n1,node *n2)
{
if(!n1)return n2;
if(!n2)return n1;
node *ret=new node(n1->L,n2->R);
if(n1->minval==n2->minval)
{
tie(ret->minval,ret->cnt)=make_pair(n1->minval,n1->cnt+n2->cnt);
}
else tie(ret->minval,ret->cnt)=min(make_pair(n1->minval,n1->cnt),make_pair(n2->minval,n2->cnt));
ret->l=n1;ret->r=n2;
return ret;
}
node* push(node *t,int L,int R)
{
if(!t)t=new node(L,R);
if(t->lazy>=1)
{
if(t->L!=t->R)
{
int mid=(t->L+t->R)/2;
if(t->l)
{
t->l->lazy+=t->lazy;
}
else
{
t->l=new node(L,mid);
t->l->lazy+=t->lazy;
}
if(t->r)
{
t->r->lazy+=t->lazy;
}
else
{
t->r=new node(mid+1,R);
t->r->lazy+=t->lazy;
}
}
t->minval+=t->lazy;
t->lazy=0;
}
return t;
}
node* upd(node *t,int L,int R,int ql,int qr)
{
t=push(t,L,R);
if(L>qr||R<ql)return t;
if(L>=ql&&R<=qr)
{
t->lazy=1;
t=push(t,L,R);
return t;
}
int mid=(L+R)/2;
t->l=upd(t->l,L,mid,ql,qr);
t->r=upd(t->r,mid+1,R,ql,qr);
t=merge(t->l,t->r);
return t;
}
node* query(node *t,int L,int R,int ql,int qr)
{
t=push(t,L,R);
if(L>qr||R<ql)return NULL;
if(L>=ql&&R<=qr)
{
return t;
}
int mid=(L+R)/2;
return merge(query(t->l,L,mid,ql,qr),query(t->r,mid+1,R,ql,qr));
}
void print(node* t)
{
if(!t)return;
cnt_nodes++;
cout<<t->L<<" "<<t->R<<" "<<t->minval<<" "<<t->cnt<<endl;
print(t->l);
print(t->r);
}
}st;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int c=0;
int m,d,x,y;
cin>>m;
while(m--)
{
cin>>d>>x>>y;
x+=c;y+=c;
if(d==1)
{
st.xd=st.query(st.root,0,INF,x,y);
if(st.xd->minval>0)
{
c=y-x+1;
}
else c=y-x+1-st.xd->cnt;
cout<<c<<endl;
}
else st.root=st.upd(st.root,0,INF,x,y);
/*st.print(st.root);
cout<<"fdsf "<<cnt_nodes<<endl;
cnt_nodes=0;*/
}
/*for(int i=0;i<10;i++)
{
for(int j=i+1;j<10000;j++)
{
st.root=st.upd(st.root,0,INF,i,j);
}
}
st.print(st.root);
cout<<cnt_nodes<<endl;*/
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
0 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
53 ms |
21484 KB |
Output is correct |
5 |
Correct |
63 ms |
25964 KB |
Output is correct |
6 |
Correct |
63 ms |
26092 KB |
Output is correct |
7 |
Correct |
64 ms |
25964 KB |
Output is correct |
8 |
Correct |
469 ms |
155244 KB |
Output is correct |
9 |
Runtime error |
843 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
10 |
Halted |
0 ms |
0 KB |
- |