#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
struct Node
{
int sum, lazy, tl, tr, l, r;
Node() : sum(0), lazy(0), l(-1), r(-1) {}
};
const int MX = 123456;
Node segtree[64 * MX];
int M;
int cnt = 2;
void push_lazy(int node)
{
if (segtree[node].lazy)
{
segtree[node].sum = segtree[node].tr - segtree[node].tl + 1;
int mid = (segtree[node].tl + segtree[node].tr) / 2;
if (segtree[node].l == -1)
{
segtree[node].l = cnt++;
segtree[segtree[node].l].tl = segtree[node].tl;
segtree[segtree[node].l].tr = mid;
}
if (segtree[node].r == -1)
{
segtree[node].r = cnt++;
segtree[segtree[node].r].tl = mid + 1;
segtree[segtree[node].r].tr = segtree[node].tr;
}
segtree[segtree[node].l].lazy = segtree[segtree[node].r].lazy = 1;
segtree[node].lazy = 0;
}
}
void update(int node, int l, int r)
{
if (l == segtree[node].tl && r == segtree[node].tr)
{
segtree[node].lazy = 1;
push_lazy(node);
}
else
{
int mid = (segtree[node].tl + segtree[node].tr) / 2;
if (segtree[node].l == -1)
{
segtree[node].l = cnt++;
segtree[segtree[node].l].tl = segtree[node].tl;
segtree[segtree[node].l].tr = mid;
}
if (segtree[node].r == -1)
{
segtree[node].r = cnt++;
segtree[segtree[node].r].tl = mid + 1;
segtree[segtree[node].r].tr = segtree[node].tr;
}
if (l > mid)
update(segtree[node].r, l, r);
else if (r <= mid)
update(segtree[node].l, l, r);
else
{
update(segtree[node].l, l, mid);
update(segtree[node].r, mid + 1, r);
}
push_lazy(segtree[node].l);
push_lazy(segtree[node].r);
segtree[node].sum = segtree[segtree[node].l].sum + segtree[segtree[node].r].sum;
}
}
int query(int node, int l, int r)
{
push_lazy(node);
if (l == segtree[node].tl && r == segtree[node].tr)
return segtree[node].sum;
else
{
int mid = (segtree[node].tl + segtree[node].tr) / 2;
if (segtree[node].l == -1)
{
segtree[node].l = cnt++;
segtree[segtree[node].l].tl = segtree[node].tl;
segtree[segtree[node].l].tr = mid;
}
if (segtree[node].r == -1)
{
segtree[node].r = cnt++;
segtree[segtree[node].r].tl = mid + 1;
segtree[segtree[node].r].tr = segtree[node].tr;
}
if (l > mid)
return query(segtree[node].r, l, r);
else if (r <= mid)
return query(segtree[node].l, l, r);
else
return query(segtree[node].l, l, mid) + query(segtree[node].r, mid + 1, r);
}
}
int main()
{
cin >> M;
segtree[1].sum = 0, segtree[1].lazy = 0;
segtree[1].tl = 1, segtree[1].tr = 1e9;
int D, X, Y, C = 0;
while (M--)
{
cin >> D >> X >> Y;
X += C, Y += C;
if (D == 1)
{
C = query(1, X, Y);
cout << C << '\n';
}
else
{
update(1, X, Y);
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
89 ms |
185820 KB |
Output is correct |
2 |
Correct |
88 ms |
185812 KB |
Output is correct |
3 |
Correct |
94 ms |
185812 KB |
Output is correct |
4 |
Correct |
113 ms |
185880 KB |
Output is correct |
5 |
Correct |
117 ms |
185896 KB |
Output is correct |
6 |
Correct |
117 ms |
185976 KB |
Output is correct |
7 |
Correct |
117 ms |
185924 KB |
Output is correct |
8 |
Correct |
288 ms |
186316 KB |
Output is correct |
9 |
Correct |
510 ms |
186468 KB |
Output is correct |
10 |
Correct |
535 ms |
186380 KB |
Output is correct |
11 |
Correct |
517 ms |
186668 KB |
Output is correct |
12 |
Correct |
582 ms |
186564 KB |
Output is correct |
13 |
Correct |
548 ms |
186396 KB |
Output is correct |
14 |
Correct |
487 ms |
186440 KB |
Output is correct |
15 |
Correct |
594 ms |
188492 KB |
Output is correct |
16 |
Correct |
604 ms |
188472 KB |
Output is correct |
17 |
Correct |
588 ms |
188336 KB |
Output is correct |
18 |
Correct |
517 ms |
188416 KB |
Output is correct |
19 |
Correct |
599 ms |
188492 KB |
Output is correct |
20 |
Correct |
623 ms |
188428 KB |
Output is correct |