#include <bits/stdc++.h>
using namespace std;
namespace
{
struct SegTree
{
SegTree() {}
SegTree(long _l, long _r) : l(_l), r(_r), val(0), lz(0) {}
long l, r;
long val;
bool lz;
unique_ptr<SegTree> lc, rc;
void pull()
{
val = 0;
if (lc)
val += lc->val;
if (rc)
val += rc->val;
}
void update(long pl, long pr)
{
if (r <= pl || pr <= l)
return;
if (lz)
return;
if (pl <= l && r <= pr)
{
lz = 1;
val = r - l;
return;
}
long mid = (l + r) / 2;
if (!lc)
lc = make_unique<SegTree>(l, mid);
lc->update(pl, pr);
if (!rc)
rc = make_unique<SegTree>(mid, r);
rc->update(pl, pr);
pull();
}
long query(long pl, long pr)
{
if (r <= pl || pr <= l)
return 0;
if (pl <= l && r <= pr)
return val;
if (lz)
return min(r, pr) - max(l, pl);
long ret = 0;
if (lc)
ret += lc->query(pl, pr);
if (rc)
ret += rc->query(pl, pr);
return ret;
}
};
} // namespace
void solve()
{
int m;
cin >> m;
long c = 0;
SegTree st(1, 1'000'000'001);
for (int i = 0; i < m; i++)
{
int t;
long l, r;
cin >> t >> l >> r;
l += c;
r += c;
if (t == 1)
{
c = st.query(l, r + 1);
cout << c << '\n';
}
else if (t == 2)
st.update(l, r + 1);
}
}
int main()
{
ios_base::sync_with_stdio(false), cin.tie(NULL);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
5 ms |
460 KB |
Output is correct |
5 |
Correct |
5 ms |
468 KB |
Output is correct |
6 |
Correct |
5 ms |
468 KB |
Output is correct |
7 |
Correct |
5 ms |
464 KB |
Output is correct |
8 |
Correct |
19 ms |
1364 KB |
Output is correct |
9 |
Correct |
36 ms |
2364 KB |
Output is correct |
10 |
Correct |
36 ms |
2508 KB |
Output is correct |
11 |
Correct |
35 ms |
2492 KB |
Output is correct |
12 |
Correct |
36 ms |
2388 KB |
Output is correct |
13 |
Correct |
39 ms |
2764 KB |
Output is correct |
14 |
Correct |
39 ms |
2816 KB |
Output is correct |
15 |
Correct |
34 ms |
3004 KB |
Output is correct |
16 |
Correct |
36 ms |
3036 KB |
Output is correct |
17 |
Correct |
31 ms |
2848 KB |
Output is correct |
18 |
Correct |
30 ms |
2892 KB |
Output is correct |
19 |
Correct |
33 ms |
2944 KB |
Output is correct |
20 |
Correct |
34 ms |
3016 KB |
Output is correct |