# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
515831 | MohamedFaresNebili | 원숭이와 사과 나무 (IZhO12_apple) | C++14 | 420 ms | 262148 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<ll, ll>;
using vi = vector<int>;
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
struct node{
ll lb, rb, data = 0, lazy = 0;
node *l = nullptr, *r = nullptr;
node(ll lb0, ll rb0) {
lb = lb0, rb = rb0;
}
void extend() {
if(l == nullptr && lb < rb) {
ll md = (lb + rb) / 2;
l = new node(lb, md);
r = new node(md + 1, rb);
}
}
};
void prop(node* root) {
if(root -> lb == root -> rb || root -> lazy == 0) return;
root -> extend();
root -> l -> lazy = root -> lazy;
root -> r -> lazy = root -> lazy;
ll md = (root -> lb + root -> rb) / 2;
root -> l -> data = (md - root -> lb + 1);
root -> r -> data = (root -> rb - md);
root -> lazy = 0;
}
void update(node* root, ll lo, ll hi) {
if(root -> lazy) prop(root);
if(root -> lb > hi || root -> rb < lo) return;
if(root -> lb >= lo && root -> rb <= hi) {
root -> data = (root -> rb) - (root -> lb) + 1;
root -> lazy = 1; prop(root); return;
}
root -> extend();
update(root -> l, lo, hi);
update(root -> r, lo, hi);
root -> data = (root -> l) -> data + (root -> r) -> data;
}
ll query(node* root, ll lo, ll hi) {
if(root -> lazy) prop(root);
if(root -> lb > hi || root -> rb < lo) return 0;
if(root -> lb >= lo && root -> rb <= hi) return root -> data;
root -> extend();
return query(root -> l, lo, hi) + query(root -> r, lo, hi);
}
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
ll q; cin >> q; ll c = 0; node* root = new node(0, 1e9 + 5);
while(q--) {
ll d, l, r; cin >> d >> l >> r;
if(d == 1) {
ll res = query(root, l + c, r + c);
c = res; cout << res << "\n";
}
else if(d == 2) update(root, l + c, r + c);
}
return 0;
}
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