답안 #920573

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
920573 2024-02-02T18:00:29 Z tigran 원숭이와 사과 나무 (IZhO12_apple) C++17
100 / 100
439 ms 188828 KB
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

struct Node {
	int sum, lazy, tl, tr, l, r;
	Node() : sum(0), lazy(0), l(-1), r(-1) {}
};

const int MAXN = 123456;
Node segtree[64 * MAXN];
int cnt = 2;

void push_lazy(int node) {
	if (segtree[node].lazy) {
		segtree[node].sum = segtree[node].tr - segtree[node].tl + 1;
		int mid = (segtree[node].tl + segtree[node].tr) / 2;
		if (segtree[node].l == -1) {
			segtree[node].l = cnt++;
			segtree[segtree[node].l].tl = segtree[node].tl;
			segtree[segtree[node].l].tr = mid;
		}
		if (segtree[node].r == -1) {
			segtree[node].r = cnt++;
			segtree[segtree[node].r].tl = mid + 1;
			segtree[segtree[node].r].tr = segtree[node].tr;
		}
		segtree[segtree[node].l].lazy = segtree[segtree[node].r].lazy = 1;
		segtree[node].lazy = 0;
	}
}

void update(int node, int l, int r) {
	push_lazy(node);
	if (l == segtree[node].tl && r == segtree[node].tr) {
		segtree[node].lazy = 1;
		push_lazy(node);
	} else {
		int mid = (segtree[node].tl + segtree[node].tr) / 2;
		if (segtree[node].l == -1) {
			segtree[node].l = cnt++;
			segtree[segtree[node].l].tl = segtree[node].tl;
			segtree[segtree[node].l].tr = mid;
		}
		if (segtree[node].r == -1) {
			segtree[node].r = cnt++;
			segtree[segtree[node].r].tl = mid + 1;
			segtree[segtree[node].r].tr = segtree[node].tr;
		}

		if (l > mid) update(segtree[node].r, l, r);
		else if (r <= mid) update(segtree[node].l, l, r);
		else {
			update(segtree[node].l, l, mid);
			update(segtree[node].r, mid + 1, r);
		}

		push_lazy(segtree[node].l);
		push_lazy(segtree[node].r);
		segtree[node].sum =
		    segtree[segtree[node].l].sum + segtree[segtree[node].r].sum;
	}
}

int query(int node, int l, int r) {
	push_lazy(node);
	if (l == segtree[node].tl && r == segtree[node].tr)
		return segtree[node].sum;
	else {
		int mid = (segtree[node].tl + segtree[node].tr) / 2;
		if (segtree[node].l == -1) {
			segtree[node].l = cnt++;
			segtree[segtree[node].l].tl = segtree[node].tl;
			segtree[segtree[node].l].tr = mid;
		}
		if (segtree[node].r == -1) {
			segtree[node].r = cnt++;
			segtree[segtree[node].r].tl = mid + 1;
			segtree[segtree[node].r].tr = segtree[node].tr;
		}

		if (l > mid) return query(segtree[node].r, l, r);
		else if (r <= mid) return query(segtree[node].l, l, r);
		else
			return query(segtree[node].l, l, mid) +
			       query(segtree[node].r, mid + 1, r);
	}
}

int main() {
	int m;
	cin >> m;
	segtree[1].sum = 0;
	segtree[1].lazy = 0;
	segtree[1].tl = 1;
	segtree[1].tr = 1e9;
	int c = 0;
	while (m--) {
		int d, x, y;
		cin >> d >> x >> y;
		if (d == 1) {
			c = query(1, x + c, y + c);
			cout << c << '\n';
		} else update(1, x + c, y + c);
	}
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 185940 KB Output is correct
2 Correct 36 ms 185936 KB Output is correct
3 Correct 37 ms 186216 KB Output is correct
4 Correct 58 ms 185940 KB Output is correct
5 Correct 56 ms 185936 KB Output is correct
6 Correct 56 ms 185740 KB Output is correct
7 Correct 56 ms 185944 KB Output is correct
8 Correct 177 ms 186452 KB Output is correct
9 Correct 311 ms 186196 KB Output is correct
10 Correct 365 ms 186524 KB Output is correct
11 Correct 313 ms 186348 KB Output is correct
12 Correct 352 ms 186736 KB Output is correct
13 Correct 294 ms 186460 KB Output is correct
14 Correct 311 ms 186608 KB Output is correct
15 Correct 370 ms 186600 KB Output is correct
16 Correct 390 ms 188692 KB Output is correct
17 Correct 292 ms 188496 KB Output is correct
18 Correct 299 ms 188416 KB Output is correct
19 Correct 439 ms 188416 KB Output is correct
20 Correct 402 ms 188828 KB Output is correct