#include "bits/stdc++.h"
using namespace std;
// Hi
const int M = 1e6;
int a[M+5],tree[M*4],mark[M*4];
void push(int v){
if(mark[v]){
tree[v*2] = tree[v*2+1] = tree[v];
mark[v*2] = mark[v*2+1] = 1;
mark[v] = 0;
}
}
void range_update(int v,int tl,int tr,int ql,int qr){
if(ql > qr)return;
if(ql == tl && qr == tr){
tree[v] = 1;
mark[v] = 1;
}else{
push(v);
int mid = (tl+tr)/2;
range_update(v*2,tl,mid,ql,min(qr,mid));
range_update(v*2+1,mid+1,tr,max(mid+1,ql),qr);
}
}
int range_query(int v,int tl,int tr,int ql,int qr){
if(tl > qr || tr < ql)return 0;
if(tl >= ql && tr <= qr && mark[v]){
return tr-tl+1;
}
if(tl == tr)return mark[v];
push(v);
int mid = (tl+tr)/2;
return range_query(v*2,tl,mid,ql,min(qr,mid))+
range_query(v*2+1,mid+1,tr,max(ql,mid+1),qr);
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);
int q;
cin>>q;
int c = 0;
while(q--){
int t;
cin>>t;
if(t == 1){
int x,y;
cin>>x>>y;
x += c-1;
y += c-1;
int ans = range_query(1,0,M-1,x,y);
c += ans;
cout << ans << '\n';
}else{
int x,y;
cin>>x>>y;
x += c-1;
y += c-1;
range_update(1,0,M-1,x,y);
}
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
