답안 #848947

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
848947 2023-09-13T18:26:15 Z Ahmed_Solyman 원숭이와 사과 나무 (IZhO12_apple) C++14
100 / 100
242 ms 187988 KB
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
#define MOD 1000000007
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() {
	iostream::sync_with_stdio(false);
	cin.tie(0);
	int m;
	cin >> m;

	segtree[1].sum = 0;
	segtree[1].lazy = 0;
	segtree[1].tl = 1;
	segtree[1].tr = 1e9;

	int c = 0;
	FOR(_, 0, 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 30 ms 185792 KB Output is correct
2 Correct 30 ms 185808 KB Output is correct
3 Correct 30 ms 185936 KB Output is correct
4 Correct 38 ms 185936 KB Output is correct
5 Correct 39 ms 185992 KB Output is correct
6 Correct 40 ms 185936 KB Output is correct
7 Correct 41 ms 185960 KB Output is correct
8 Correct 100 ms 186940 KB Output is correct
9 Correct 182 ms 187360 KB Output is correct
10 Correct 186 ms 187336 KB Output is correct
11 Correct 193 ms 187316 KB Output is correct
12 Correct 202 ms 187216 KB Output is correct
13 Correct 183 ms 187728 KB Output is correct
14 Correct 170 ms 187728 KB Output is correct
15 Correct 238 ms 187580 KB Output is correct
16 Correct 230 ms 187748 KB Output is correct
17 Correct 177 ms 187988 KB Output is correct
18 Correct 176 ms 187728 KB Output is correct
19 Correct 227 ms 187712 KB Output is correct
20 Correct 242 ms 187740 KB Output is correct