Submission #1253885

#	Time	Username	Problem	Language	Result	Execution time	Memory
1253885		ssitaram	Monkey and Apple-trees (IZhO12_apple)	C++20	0 / 100	0 ms	324 KiB

apple

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

struct node {
	node *l, *r;
	ll cnt;

	node() : l(nullptr), r(nullptr), cnt(0) {}
};

void getch(node& here, ll l, ll r) {
	if (here.l == nullptr) {
		here.l = new node();
		here.r = new node();
	}
	if (here.cnt == r - l) {
		here.l->cnt = here.cnt / 2;
		here.l->cnt = here.cnt / 2;
	}
}

void upd(node& here, ll l, ll r, ll a, ll b) {
	if (l >= b || r <= a) return;
	if (a <= l && r <= b) {
		here.cnt = r - l;
		return;
	}
	ll m = (l + r) / 2;
	getch(here, l, r);
	upd(*here.l, l, m, a, b);
	upd(*here.r, m, r, a, b);
	here.cnt = here.l->cnt + here.r->cnt;
}

ll cnt(node& here, ll l, ll r, ll a, ll b) {
	if (l >= b || r <= a) return 0;
	if (a <= l && r <= b) return here.cnt;
	ll m = (l + r) / 2;
	getch(here, l, r);
	return cnt(*here.l, l, m, a, b) + cnt(*here.r, m, r, a, b);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	ll p2 = 1;
	while (p2 < 1e9) p2 *= 2;
	node root;
	ll c = 0;
	ll m; cin >> m;
	while (m--) {
		ll d, x, y; cin >> d >> x >> y;
		--x; --y;
		x += c;
		y += c;
		if (d == 1) {
			c = cnt(root, 0, p2, x, y + 1);
			cout << c << '\n';
		} else {
			upd(root, 0, p2, x, y + 1);
		}
	}
	return 0;
}

• Subtask 1: 0 / 100