# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
790531 | Blagoj | Monkey and Apple-trees (IZhO12_apple) | C++17 | 455 ms | 262144 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;
#define endl '\n'
#define ll long long
#define all(x) x.begin(), x.end()
struct Node {
int sum, lazy, tl, tr, l, r;
Node() : sum(0), lazy(0), l(0), r(0) {}
} tree[64 * 123456];
int cnt = 1;
void push(int k) {
if (tree[k].lazy) {
tree[k].sum = tree[k].tr - tree[k].tl + 1;
int m = (tree[k].tl + tree[k].tr) / 2;
if (tree[k].l == 0) {
tree[k].l = ++cnt;
tree[cnt].tl = tree[k].tl;
tree[cnt].tr = m;
}
if (tree[k].r == 0) {
tree[k].r = ++cnt;
tree[cnt].tl = m + 1;
tree[cnt].tr = tree[k].tr;
}
tree[tree[k].l].lazy = tree[tree[k].r].lazy = 1;
tree[k].lazy = 0;
}
}
void update(int k, int i, int j) {
push(k);
if (tree[k].tr < i || tree[k].tl > j) return;
if (i <= tree[k].tl && tree[k].tr <= j) {
tree[k].lazy = 1;
push(k);
return;
}
int m = (tree[k].tl + tree[k].tr) / 2;
if (tree[k].l == 0) {
tree[k].l = ++cnt;
tree[cnt].tl = tree[k].tl;
tree[cnt].tr = m;
}
if (tree[k].r == 0) {
tree[k].r = ++cnt;
tree[cnt].tl = m + 1;
tree[cnt].tr = tree[k].tr;
}
update(tree[k].l, i, j);
update(tree[k].r, i, j);
tree[k].sum = tree[tree[k].l].sum + tree[tree[k].r].sum;
}
int query(int k, int i, int j) {
push(k);
if (tree[k].tr < i || tree[k].tl > j) return 0;
if (i <= tree[k].tl && tree[k].tr <= j) return tree[k].sum;
int m = (tree[k].tl + tree[k].tr) / 2;
if (tree[k].l == 0) {
tree[k].l = ++cnt;
tree[cnt].tl = tree[k].tl;
tree[cnt].tr = m;
}
if (tree[k].r == 0) {
tree[k].r = ++cnt;
tree[cnt].tl = m + 1;
tree[cnt].tr = tree[k].tr;
}
return query(tree[k].l, i, j) + query(tree[k].r, i, j);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int q;
cin >> q;
int c = 0;
tree[1].sum = tree[1].lazy = 0;
tree[1].tl = 1;
tree[1].tr = 1e9;
while (q--) {
int d, x, y;
cin >> d >> x >> y;
if (d == 1) {
c = query(1, x + c, y + c);
cout << c << endl;
}
else update(1, x + c, y + c);
}
}
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