답안 #577941

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
577941 2022-06-15T13:50:53 Z KindaNameless 원숭이와 사과 나무 (IZhO12_apple) C++14
100 / 100
385 ms 188580 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 76 ms 185812 KB Output is correct
2 Correct 77 ms 185880 KB Output is correct
3 Correct 81 ms 185808 KB Output is correct
4 Correct 94 ms 185880 KB Output is correct
5 Correct 88 ms 185840 KB Output is correct
6 Correct 92 ms 185756 KB Output is correct
7 Correct 90 ms 185864 KB Output is correct
8 Correct 183 ms 186096 KB Output is correct
9 Correct 310 ms 186300 KB Output is correct
10 Correct 305 ms 186188 KB Output is correct
11 Correct 298 ms 186148 KB Output is correct
12 Correct 310 ms 186236 KB Output is correct
13 Correct 275 ms 186296 KB Output is correct
14 Correct 285 ms 186332 KB Output is correct
15 Correct 375 ms 188528 KB Output is correct
16 Correct 374 ms 188580 KB Output is correct
17 Correct 294 ms 188364 KB Output is correct
18 Correct 293 ms 188404 KB Output is correct
19 Correct 381 ms 188524 KB Output is correct
20 Correct 385 ms 188460 KB Output is correct