#include "bits/stdc++.h"
using namespace std;
struct Node {
int val;
int lzAdd;
int L, R;
Node *c[2];
Node(int l, int r) : L(l), R(r) {
val = 0;
lzAdd = 0;
c[0] = c[1] = NULL;
}
void extend() {
if (!c[0] && !c[1] && L != R) {
int M = (L + R) / 2;
c[0] = new Node(L, M);
c[1] = new Node(M + 1, R);
}
}
void push() {
extend();
if (lzAdd == 0) return;
val = R - L + 1;
if (L != R) {
if (c[0]) c[0]->lzAdd = lzAdd;
if (c[1]) c[1]->lzAdd = lzAdd;
}
lzAdd = 0;
}
void upd(int lo, int hi, int inc) {
if (lo > R || L > hi) return;
push();
if (lo <= L && R <= hi) {
lzAdd = inc;
push();
return;
}
c[0]->upd(lo, hi, inc);
c[1]->upd(lo, hi, inc);
val = c[0]->val + c[1]->val;
}
int query(int lo, int hi) {
if (lo > R || L > hi) return 0;
push();
if (lo <= L && R <= hi) return val;
int res = 0;
res += c[0]->query(lo, hi);
res += c[1]->query(lo, hi);
return res;
}
};
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
Node seg(1, 1'000'000'000);
int ans = 0;
for (int i = 0; i < n; i++) {
int a, b, c;
cin >> a >> b >> c;
if (a == 1) {
ans = seg.query(b + ans, c + ans);
cout << ans << '\n';
} else {
seg.upd(b + ans, c + ans, 1);
}
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
320 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
