Submission #1092090

# Submission time Handle Problem Language Result Execution time Memory
1092090 2024-09-23T06:22:56 Z vijaygomathinayagam Monkey and Apple-trees (IZhO12_apple) C++17
100 / 100
284 ms 188596 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;
}
# Verdict Execution time Memory Grader output
1 Correct 73 ms 185936 KB Output is correct
2 Correct 70 ms 185920 KB Output is correct
3 Correct 74 ms 185788 KB Output is correct
4 Correct 80 ms 185976 KB Output is correct
5 Correct 88 ms 185936 KB Output is correct
6 Correct 85 ms 185972 KB Output is correct
7 Correct 85 ms 186116 KB Output is correct
8 Correct 141 ms 186704 KB Output is correct
9 Correct 212 ms 187216 KB Output is correct
10 Correct 266 ms 187196 KB Output is correct
11 Correct 213 ms 188040 KB Output is correct
12 Correct 237 ms 187988 KB Output is correct
13 Correct 206 ms 188356 KB Output is correct
14 Correct 203 ms 188500 KB Output is correct
15 Correct 256 ms 188496 KB Output is correct
16 Correct 284 ms 188500 KB Output is correct
17 Correct 201 ms 188432 KB Output is correct
18 Correct 196 ms 188496 KB Output is correct
19 Correct 248 ms 188596 KB Output is correct
20 Correct 253 ms 188496 KB Output is correct