#include <bits/stdc++.h>
using namespace std;
struct node{
int val,laz,tl,tr;
int lc,rc;
bool has;
node(){
val=0; laz=0; tl=0; tr=0; lc=0; rc=0; has=0;
}
};
node seg[6500000];
int cnt;
void pushdown(int id){
int tm=(seg[id].tl+seg[id].tr)/2;
if (!seg[id].lc){
cnt++;
seg[id].lc=cnt;
seg[cnt].tl=seg[id].tl;
seg[cnt].tr=tm;
}
if (!seg[id].rc){
cnt++;
seg[id].rc=cnt;
seg[cnt].tl=tm+1;
seg[cnt].tr=seg[id].tr;
}
seg[seg[id].lc].val=seg[id].laz*(tm-seg[id].tl+1);
seg[seg[id].rc].val=seg[id].laz*(seg[id].tr-tm);
seg[seg[id].lc].laz=seg[id].laz;
seg[seg[id].rc].laz=seg[id].laz;
seg[seg[id].lc].has=1;
seg[seg[id].rc].has=1;
seg[id].has=0;
}
void update(int id,int l,int r,int v){
if (l>r) return;
if (l<=seg[id].tl&&seg[id].tr<=r){
seg[id].val=v*(seg[id].tr-seg[id].tl+1);
seg[id].laz=v;
seg[id].has=1;
return;
}
if (seg[id].has) pushdown(id);
int tm=(seg[id].tl+seg[id].tr)/2;
if (!seg[id].lc){
cnt++;
seg[id].lc=cnt;
seg[cnt].tl=seg[id].tl;
seg[cnt].tr=tm;
}
update(seg[id].lc,l,min(r,tm),v);
if (!seg[id].rc){
cnt++;
seg[id].rc=cnt;
seg[cnt].tl=tm+1;
seg[cnt].tr=seg[id].tr;
}
update(seg[id].rc,max(l,tm+1),r,v);
seg[id].val=(seg[id].lc?seg[seg[id].lc].val:0ll)+(seg[id].rc?seg[seg[id].rc].val:0ll);
}
int query(int id,int l,int r){
if (l>r) return 0;
if (l<=seg[id].tl&&seg[id].tr<=r) return seg[id].val;
if (seg[id].has) pushdown(id);
int tm=(seg[id].tl+seg[id].tr)/2;
int lx=(seg[id].lc?query(seg[id].lc,l,min(r,tm)):0ll);
int rx=(seg[id].rc?query(seg[id].rc,max(l,tm+1),r):0ll);
return lx+rx;
}
signed main(){
ios_base::sync_with_stdio(false); cin.tie(NULL);
int q;
cin>>q;
seg[1].tl=1; seg[1].tr=1e9;
cnt++;
int c=0;
while (q--){
int type,l,r;
cin>>type>>l>>r;
l+=c; r+=c;
if (type==1){
c=query(1,l,r);
cout<<c<<'\n';
} else {
update(1,l,r,1);
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
88 ms |
178372 KB |
Output is correct |
2 |
Correct |
93 ms |
178316 KB |
Output is correct |
3 |
Correct |
81 ms |
178256 KB |
Output is correct |
4 |
Correct |
92 ms |
178456 KB |
Output is correct |
5 |
Correct |
90 ms |
178396 KB |
Output is correct |
6 |
Correct |
92 ms |
178408 KB |
Output is correct |
7 |
Correct |
94 ms |
178380 KB |
Output is correct |
8 |
Correct |
197 ms |
178488 KB |
Output is correct |
9 |
Correct |
254 ms |
178764 KB |
Output is correct |
10 |
Correct |
285 ms |
178796 KB |
Output is correct |
11 |
Correct |
262 ms |
178836 KB |
Output is correct |
12 |
Correct |
272 ms |
178760 KB |
Output is correct |
13 |
Correct |
248 ms |
178764 KB |
Output is correct |
14 |
Correct |
241 ms |
178916 KB |
Output is correct |
15 |
Correct |
328 ms |
178772 KB |
Output is correct |
16 |
Correct |
311 ms |
178936 KB |
Output is correct |
17 |
Correct |
259 ms |
178792 KB |
Output is correct |
18 |
Correct |
244 ms |
178764 KB |
Output is correct |
19 |
Correct |
315 ms |
178780 KB |
Output is correct |
20 |
Correct |
324 ms |
178808 KB |
Output is correct |