#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define pii pair<int, int>
#define pll pair<long long, long long>
#define debug(x) cout << #x << " = " << x << endl
#define pb push_back
#define eb emplace_back
using ll = long long;
using ull = unsigned long long;
using ld = long double;
const int mod = 1e9 + 7;
using namespace std;
void setIO() {
ios_base::sync_with_stdio(false);
cout.tie(nullptr);
cin.tie(nullptr);
}
struct Node {
ll sum, lazy;
Node *l, *r;
Node() : sum(0), lazy(0), l(nullptr), r(nullptr) {}
~Node() {
delete l;
delete r;
}
};
void extend(Node *root, int l, int r) {
if(l == r) return ;
if(root->l == nullptr) root->l = new Node();
if(root->r == nullptr) root->r = new Node();
}
void push(Node *root, int l, int r) {
if(root->lazy == 0) return ;
root->sum = (r - l + 1) * root->lazy;
if(l != r) {
extend(root, l, r);
root->l->lazy = root->lazy;
root->r->lazy = root->lazy;
}
root->lazy = 0;
}
ll query(Node *root, int tl, int tr, int l, int r) {
push(root, tl, tr);
if(tl > r || l > tr || l > r) return 0;
if(l <= tl && tr <= r) return root->sum;
extend(root, tl, tr);
int tm = (tl + tr) / 2;
return query(root->l, tl, tm, l, r) + query(root->r, tm+1, tr, l, r);
}
void update(Node *root, int tl, int tr, int l, int r, int val) {
push(root, tl, tr);
if(tl > r || l > tr || l > r) return ;
if(l <= tl && tr <= r) {
root->lazy = val;
push(root, tl, tr);
return ;
}
extend(root, tl, tr);
int tm = (tl + tr) / 2;
update(root->l, tl, tm, l, r, val);
update(root->r, tm+1, tr, l, r, val);
root->sum = root->l->sum + root->r->sum;
}
int main() {
setIO();
int q;
cin >> q;
Node *root = new Node();
ll c = 0;
while(q--) {
int t, a, b;
cin >> t >> a >> b;
if(t == 1) {
ll res = query(root, 1, 1e9, a+c, b+c);
cout << res << '\n';
c += res;
} else {
update(root, 1, 1e9, a+c, b+c, 1);
}
}
//cout << root->sum << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |