#include <bits/stdc++.h>
using namespace std;
const int M = 1e5 + 5;
const int X = 1e9;
struct dynamic_segment_tree {
struct node {
int l, r, cnt;
bool lz;
node() : l(-1), r(-1), cnt(0), lz(false) {}
} t[80 * M];
int nd = 0, root;
dynamic_segment_tree() {
root = ++nd;
}
void push(int id, int tl, int tr) {
int tm = (tl + tr) >> 1;
if (t[id].l == -1) {
t[id].l = ++nd;
t[t[id].l].cnt = (t[id].lz ? tm - tl + 1 : 0);
t[t[id].l].lz = t[id].lz;
}
if (t[id].r == -1) {
t[id].r = ++nd;
t[t[id].r].cnt = (t[id].lz ? tr - tm : 0);
t[t[id].r].lz = t[id].lz;
}
}
int get(int id, int tl, int tr, int l, int r) {
if (l <= tl && tr <= r) {
return t[id].cnt;
}
push(id, tl, tr);
int tm = (tl + tr) >> 1;
if (r <= tm) {
return get(t[id].l, tl, tm, l, r);
} else if (tm + 1 <= l) {
return get(t[id].r, tm + 1, tr, l, r);
} else {
return get(t[id].l, tl, tm, l, r) + get(t[id].r, tm + 1, tr, l, r);
}
}
void upd(int id, int tl, int tr, int l, int r) {
if (l <= tl && tr <= r) {
t[id].cnt = tr - tl + 1;
t[id].lz = true;
return;
}
push(id, tl, tr);
int tm = (tl + tr) >> 1;
if (r <= tm) {
upd(t[id].l, tl, tm, l, r);
} else if (tm + 1 <= l) {
upd(t[id].r, tm + 1, tr, l, r);
} else {
upd(t[id].l, tl, tm, l, r);
upd(t[id].r, tm + 1, tr, l, r);
}
t[id].cnt = t[t[id].l].cnt + t[t[id].r].cnt;
}
} dst;
int m, c;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> m;
while (m--) {
int d, x, y;
cin >> d >> x >> y;
x += c; y += c;
if (d == 1) {
assert(1 <= x);
assert(y <= X);
c = dst.get(dst.root, 1, X, x, y);
cout << c << '\n';
} else if (d == 2) {
assert(1 <= x);
assert(y <= X);
dst.upd(dst.root, 1, X, x, y);
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
39 ms |
125524 KB |
Output is correct |
2 |
Correct |
25 ms |
125428 KB |
Output is correct |
3 |
Runtime error |
136 ms |
254584 KB |
Execution killed with signal 6 |
4 |
Halted |
0 ms |
0 KB |
- |