#include <iostream>
using namespace std;
const int NMAX = 1e9;
struct node
{
node *lft, *rgt;
bool lazy;
bool todost;
bool tododr;
int ans;
node()
{
lft = rgt = NULL;
lazy = 0;
ans = 0;
todost = 0;
tododr = 0;
}
};
void create(node *nod, bool ok)
{
if (ok == 0)
{
if (nod->lft == NULL)
nod->lft = new node();
if (nod->todost)
nod->lft->lazy = true;
nod->todost = 0;
}
else
{
if (nod->rgt == NULL)
nod->rgt = new node();
if (nod->tododr)
nod->rgt->lazy = true;
nod->tododr = 0;
}
}
void propag(node *nod, int st, int dr)
{
if (nod->lazy == true)
{
nod->ans = dr - st + 1;
nod->todost = 1;
nod->tododr = 1;
}
nod->lazy = 0;
}
void update(node *nod, int st, int dr, int a, int b)
{
propag(nod, st, dr);
if (a <= st and dr <= b)
{
nod->lazy = 1;
propag(nod, st, dr);
return ;
}
int med = ((st + dr) >> 1);
if (a <= med)
{
create(nod, 0);
update(nod->lft, st, med, a, b);
}
if (b > med)
{
create(nod, 1);
update(nod->rgt, med + 1, dr, a, b);
}
nod->ans = 0;
if (nod->todost)
{
create(nod, 0);
propag(nod->lft, st, med);
}
if (nod->lft != NULL)
nod->ans += nod->lft->ans;
if (nod->tododr)
{
create(nod, 1);
propag(nod->rgt, med + 1, dr);
}
if (nod->rgt != NULL)
nod->ans += nod->rgt->ans;
}
int query(node *nod, int st, int dr, int a, int b)
{
propag(nod, st, dr);
if (a <= st and dr <= b)
{
return nod->ans;
}
int med = ((st + dr) >> 1);
int ans = 0;
if (a <= med)
{
create(nod, 0);
if (nod->lft != NULL)
{
ans += query(nod->lft, st, med, a, b);
}
}
if (b > med)
{
create(nod, 1);
if (nod->rgt != NULL)
{
ans += query(nod->rgt, med + 1, dr, a, b);
}
}
return ans;
}
int main()
{
ios_base :: sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
int ans = 0;
node *nod = new node();
while (n--)
{
int op, a, b;
cin >> op >> a >> b;
a += ans;
b += ans;
if (op == 1)
{
int val = query(nod, 1, NMAX, a, b);
cout << val << "\n";
ans = val;
}
else
update(nod, 1, NMAX, a, b);
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
10 ms |
2908 KB |
Output is correct |
5 |
Correct |
12 ms |
3676 KB |
Output is correct |
6 |
Correct |
12 ms |
3420 KB |
Output is correct |
7 |
Correct |
13 ms |
3672 KB |
Output is correct |
8 |
Correct |
90 ms |
26196 KB |
Output is correct |
9 |
Correct |
187 ms |
45092 KB |
Output is correct |
10 |
Correct |
183 ms |
49656 KB |
Output is correct |
11 |
Correct |
187 ms |
53332 KB |
Output is correct |
12 |
Correct |
199 ms |
55176 KB |
Output is correct |
13 |
Correct |
178 ms |
63576 KB |
Output is correct |
14 |
Correct |
181 ms |
64516 KB |
Output is correct |
15 |
Correct |
285 ms |
117348 KB |
Output is correct |
16 |
Correct |
274 ms |
118020 KB |
Output is correct |
17 |
Correct |
184 ms |
66536 KB |
Output is correct |
18 |
Correct |
184 ms |
66388 KB |
Output is correct |
19 |
Correct |
288 ms |
121164 KB |
Output is correct |
20 |
Correct |
292 ms |
121144 KB |
Output is correct |