#include <bits/stdc++.h>
using namespace std;
struct Node {
bool tag;
int xl, xr, sum;
Node *left, *right;
Node(int L, int R) : tag(false), xl(L), xr(R), sum(0), left(nullptr), right(nullptr) {}
void extend() {
if (xl != xr && !left) {
int xm = (xl + xr) / 2;
left = new Node(xl, xm);
right = new Node(xm+1, xr);
}
}
void apply() {
extend();
if (tag) {
sum = xr - xl + 1;
if (left) left->tag = true;
if (right) right->tag = true;
tag = false;
}
}
int query(int l, int r) {
if (l > r) return 0;
apply();
if (l == xl && r == xr) {
return sum;
} else {
int xm = (xl + xr) / 2;
int ql = 0, qr = 0;
ql = left->query(l, min(r, xm));
qr = right->query(max(l, xm+1), r);
return ql + qr;
}
}
void update(int l, int r) {
if (l > r) return;
apply();
if (l == xl && r == xr) {
tag = true;
} else {
int xm = (xl + xr) / 2;
left->update(l, min(r, xm));
right->update(max(l, xm+1), r);
left->apply(); right->apply();
sum = left->sum + right->sum;
}
}
};
Node tree(1, 1'000'000);
int main() {
cin.tie(0)->sync_with_stdio(0);
int M;
cin >> M;
int C = 0;
for (int i=0; i<M; i++) {
int D, X, Y;
cin >> D >> X >> Y;
if (D == 1) {
int count = tree.query(X+C, Y+C);
cout << count << "\n";
C = count;
} else {
tree.update(X+C, Y+C);
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
12 ms |
7836 KB |
Output is correct |
5 |
Correct |
15 ms |
9444 KB |
Output is correct |
6 |
Correct |
16 ms |
9192 KB |
Output is correct |
7 |
Correct |
15 ms |
9308 KB |
Output is correct |
8 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
9 |
Halted |
0 ms |
0 KB |
- |