#include <bits/stdc++.h>
using namespace std;
struct Node{
bool lz;
int sum;
Node *l, *r;
Node(){
this->lz = 0;
this->sum = 0;
this->l = this->r = NULL;
}
};
struct SMT{
int n;
Node *root;
SMT(int n=0){
this->n = n;
this->root = new Node();
}
void down(Node *cur, int l, int r){
if(cur->lz == 0) return;
int mid = (l+r)>>1;
cur->l->lz = cur->r->lz = 1;
cur->l->sum = mid-l+1;
cur->r->sum = r-mid;
cur->lz = 0;
}
void update(Node *cur, int l, int r, const int &u, const int &v){
if(l>v || r<u) return;
if(l>=u && r<=v){
cur->lz = 1;
cur->sum = (r-l+1);
return;
}
if(!cur->l) cur->l = new Node();
if(!cur->r) cur->r = new Node();
down(cur, l, r);
int mid = (l+r)>>1;
update(cur->l, l, mid, u, v);
update(cur->r, mid+1, r, u, v);
cur->sum = cur->l->sum + cur->r->sum;
}
void update(int l, int r){
update(root, 1, n, l, r);
}
int get(Node *cur, int l, int r, const int &u, const int &v){
if(l>v || r<u || !cur->sum) return 0;
if(l>=u && r<=v) return cur->sum;
if(!cur->l) cur->l = new Node();
if(!cur->r) cur->r = new Node();
down(cur, l, r);
int mid = (l+r)>>1;
return get(cur->l, l, mid, u, v) + get(cur->r, mid+1, r, u, v);
}
int get(int l, int r){
return get(root, 1, n, l, r);
}
};
void solve(){
int q;
cin >> q;
SMT smt(1000000000);
int C = 0;
while(q--){
int oper, l, r;
cin >> oper >> l >> r;
l += C; r += C;
if(oper == 2) smt.update(l, r);
else{
C = smt.get(l, r);
cout << C << endl;
}
}
}
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
14 ms |
3408 KB |
Output is correct |
5 |
Correct |
16 ms |
3932 KB |
Output is correct |
6 |
Correct |
16 ms |
3848 KB |
Output is correct |
7 |
Correct |
17 ms |
3932 KB |
Output is correct |
8 |
Correct |
107 ms |
29300 KB |
Output is correct |
9 |
Correct |
228 ms |
50656 KB |
Output is correct |
10 |
Correct |
249 ms |
56400 KB |
Output is correct |
11 |
Correct |
231 ms |
60240 KB |
Output is correct |
12 |
Correct |
232 ms |
62032 KB |
Output is correct |
13 |
Correct |
230 ms |
72460 KB |
Output is correct |
14 |
Correct |
225 ms |
72884 KB |
Output is correct |
15 |
Correct |
325 ms |
133460 KB |
Output is correct |
16 |
Correct |
318 ms |
134380 KB |
Output is correct |
17 |
Correct |
226 ms |
75480 KB |
Output is correct |
18 |
Correct |
231 ms |
75572 KB |
Output is correct |
19 |
Correct |
324 ms |
137304 KB |
Output is correct |
20 |
Correct |
333 ms |
137384 KB |
Output is correct |