oj.uz

Submission #872366

# Submission time Handle Problem Language Result Execution time Memory
872366 2023-11-13T02:19:23 Z qthang2k11 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
100 / 100
 556 ms 61160 KB 
// [+]
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const int N = 3e5 + 5;

int n, q;

struct Node {
	int a, b; 
	bool t;
	ll val;
	Node() { val = -1; }
	Node(int l, int r): 
		a(l), b(r), t(true), val(0) {}
	Node(int a, int b, bool t, ll val):
		a(a), b(b), t(t), val(val) {}
};

Node merge(const Node &x, const Node &y) {
	if (x.t) {
		if (y.t) {
			// (1, 1)
			if (x.b < y.a) {
				return Node(x.b, y.a, 0, 0);
			} else if (y.b < x.a) {
				return Node(x.a, y.b, 0, x.a - y.b);
			} else {
				return Node(max(x.a, y.a), min(x.b, y.b), 1, 0);
			}
		} else { 
			return Node(max(x.a, min(x.b, y.a)), y.b, 0, y.val + max(0, x.a - y.a)); // (1, 0)
		}
	} else {
		if (y.t) {
			return Node(x.a, max(y.a, min(x.b, y.b)), 0, x.val + max(0, x.b - y.b)); // (0, 1)
		} else {
			return Node(x.a, y.b, 0, x.val + y.val + max(0, x.b - y.a)); // (0, 0)
		}
	}
}

struct SegmentTree {
	Node IT[N << 2];
	SegmentTree() {}
	
	void update(int x, int L, int R, int id, int l, int r) {
		if (l == r) return IT[id] = Node(L, R), void();
		int mid = (l + r) / 2;
		if (x <= mid) update(x, L, R, id << 1, l, mid);
		else update(x, L, R, id << 1 | 1, mid + 1, r);
		IT[id] = merge(IT[id << 1], IT[id << 1 | 1]);
	}
	
	inline void update(int x, int l, int r) {
		update(x, l - x, r - x - 1, 1, 1, n - 1);
	}
	
	Node get(int x, int y, int id, int l, int r) {
		if (l > y || r < x) return Node();
		if (x <= l && r <= y) return IT[id];
		int mid = (l + r) / 2;
		auto L = get(x, y, id << 1, l, mid);
		auto R = get(x, y, id << 1 | 1, mid + 1, r);
		if (L.val < 0) return R;
		if (R.val < 0) return L;
		return merge(L, R);
	}
	
	inline Node get(int x, int y) {
		return get(x, y, 1, 1, n - 1);
	}
} seg, revseg;

int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	
	cin >> n >> q;
	for (int i = 1; i < n; i++) {
		int l, r; cin >> l >> r;
		seg.update(i, l, r);
		revseg.update(n - i, l, r);
	}
	
	while (q--) {
		int T; cin >> T;
		if (T == 1) {
			int pos, l, r; 
			cin >> pos >> l >> r;
			seg.update(pos, l, r);
			revseg.update(n - pos, l, r);
		} else {
			int A, t_A, B, t_B;
			cin >> A >> t_A >> B >> t_B;
			if (A == B) cout << max(0, t_A - t_B);
			else {
				if (A < B) {
					cout << merge(Node(t_A - A, t_A - A), 
												merge(seg.get(A, B - 1), 
															Node((int)-1e9, t_B - B))).val;
				} else {
					cout << merge(Node(t_A - (n - A + 1), t_A - (n - A + 1)), 
												merge(revseg.get(n - A + 1, n - B), 
															Node((int)-1e9, t_B - (n - B + 1)))).val;
				}
			}
			cout << '\n';
		}
	}
	
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 56664 KB Output is correct
2 Correct 7 ms 56796 KB Output is correct
3 Correct 7 ms 56768 KB Output is correct
4 Correct 7 ms 56664 KB Output is correct
5 Correct 7 ms 56744 KB Output is correct
6 Correct 7 ms 56668 KB Output is correct
7 Correct 7 ms 56688 KB Output is correct
8 Correct 7 ms 56776 KB Output is correct
9 Correct 7 ms 56668 KB Output is correct
10 Correct 7 ms 56748 KB Output is correct
11 Correct 8 ms 56668 KB Output is correct
12 Correct 8 ms 56796 KB Output is correct
13 Correct 10 ms 56668 KB Output is correct
14 Correct 8 ms 56668 KB Output is correct
15 Correct 8 ms 56784 KB Output is correct
16 Correct 8 ms 56752 KB Output is correct
17 Correct 10 ms 56664 KB Output is correct
18 Correct 8 ms 56920 KB Output is correct
19 Correct 8 ms 56668 KB Output is correct
20 Correct 8 ms 56668 KB Output is correct
21 Correct 10 ms 56760 KB Output is correct
22 Correct 8 ms 56668 KB Output is correct
23 Correct 8 ms 56768 KB Output is correct
24 Correct 8 ms 56668 KB Output is correct
25 Correct 9 ms 56668 KB Output is correct
26 Correct 8 ms 56920 KB Output is correct
27 Correct 9 ms 56668 KB Output is correct
28 Correct 8 ms 56668 KB Output is correct
29 Correct 8 ms 56764 KB Output is correct
30 Correct 8 ms 56668 KB Output is correct
31 Correct 8 ms 56772 KB Output is correct
32 Correct 8 ms 56668 KB Output is correct
33 Correct 8 ms 56668 KB Output is correct
34 Correct 9 ms 56668 KB Output is correct
35 Correct 8 ms 56668 KB Output is correct
36 Correct 8 ms 56668 KB Output is correct
37 Correct 8 ms 56668 KB Output is correct
38 Correct 8 ms 56668 KB Output is correct
39 Correct 9 ms 56668 KB Output is correct
40 Correct 8 ms 56668 KB Output is correct
41 Correct 7 ms 56668 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 493 ms 60940 KB Output is correct
2 Correct 476 ms 61032 KB Output is correct
3 Correct 462 ms 61012 KB Output is correct
4 Correct 484 ms 61012 KB Output is correct
5 Correct 480 ms 60832 KB Output is correct
6 Correct 479 ms 61012 KB Output is correct
7 Correct 508 ms 61012 KB Output is correct
8 Correct 481 ms 61160 KB Output is correct
9 Correct 470 ms 61076 KB Output is correct
10 Correct 493 ms 61148 KB Output is correct
11 Correct 493 ms 60904 KB Output is correct
12 Correct 532 ms 61068 KB Output is correct
13 Correct 549 ms 61008 KB Output is correct
14 Correct 8 ms 56664 KB Output is correct

Subtask #3
66.0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 56664 KB Output is correct
2 Correct 7 ms 56796 KB Output is correct
3 Correct 7 ms 56768 KB Output is correct
4 Correct 7 ms 56664 KB Output is correct
5 Correct 7 ms 56744 KB Output is correct
6 Correct 7 ms 56668 KB Output is correct
7 Correct 7 ms 56688 KB Output is correct
8 Correct 7 ms 56776 KB Output is correct
9 Correct 7 ms 56668 KB Output is correct
10 Correct 7 ms 56748 KB Output is correct
11 Correct 8 ms 56668 KB Output is correct
12 Correct 8 ms 56796 KB Output is correct
13 Correct 10 ms 56668 KB Output is correct
14 Correct 8 ms 56668 KB Output is correct
15 Correct 8 ms 56784 KB Output is correct
16 Correct 8 ms 56752 KB Output is correct
17 Correct 10 ms 56664 KB Output is correct
18 Correct 8 ms 56920 KB Output is correct
19 Correct 8 ms 56668 KB Output is correct
20 Correct 8 ms 56668 KB Output is correct
21 Correct 10 ms 56760 KB Output is correct
22 Correct 8 ms 56668 KB Output is correct
23 Correct 8 ms 56768 KB Output is correct
24 Correct 8 ms 56668 KB Output is correct
25 Correct 9 ms 56668 KB Output is correct
26 Correct 8 ms 56920 KB Output is correct
27 Correct 9 ms 56668 KB Output is correct
28 Correct 8 ms 56668 KB Output is correct
29 Correct 8 ms 56764 KB Output is correct
30 Correct 8 ms 56668 KB Output is correct
31 Correct 8 ms 56772 KB Output is correct
32 Correct 8 ms 56668 KB Output is correct
33 Correct 8 ms 56668 KB Output is correct
34 Correct 9 ms 56668 KB Output is correct
35 Correct 8 ms 56668 KB Output is correct
36 Correct 8 ms 56668 KB Output is correct
37 Correct 8 ms 56668 KB Output is correct
38 Correct 8 ms 56668 KB Output is correct
39 Correct 9 ms 56668 KB Output is correct
40 Correct 8 ms 56668 KB Output is correct
41 Correct 7 ms 56668 KB Output is correct
42 Correct 493 ms 60940 KB Output is correct
43 Correct 476 ms 61032 KB Output is correct
44 Correct 462 ms 61012 KB Output is correct
45 Correct 484 ms 61012 KB Output is correct
46 Correct 480 ms 60832 KB Output is correct
47 Correct 479 ms 61012 KB Output is correct
48 Correct 508 ms 61012 KB Output is correct
49 Correct 481 ms 61160 KB Output is correct
50 Correct 470 ms 61076 KB Output is correct
51 Correct 493 ms 61148 KB Output is correct
52 Correct 493 ms 60904 KB Output is correct
53 Correct 532 ms 61068 KB Output is correct
54 Correct 549 ms 61008 KB Output is correct
55 Correct 8 ms 56664 KB Output is correct
56 Correct 516 ms 58836 KB Output is correct
57 Correct 454 ms 58792 KB Output is correct
58 Correct 513 ms 58960 KB Output is correct
59 Correct 500 ms 59096 KB Output is correct
60 Correct 460 ms 58960 KB Output is correct
61 Correct 512 ms 58692 KB Output is correct
62 Correct 548 ms 58908 KB Output is correct
63 Correct 491 ms 58868 KB Output is correct
64 Correct 493 ms 58704 KB Output is correct
65 Correct 501 ms 58840 KB Output is correct
66 Correct 520 ms 58932 KB Output is correct
67 Correct 497 ms 58848 KB Output is correct
68 Correct 469 ms 58840 KB Output is correct
69 Correct 529 ms 59120 KB Output is correct
70 Correct 469 ms 58860 KB Output is correct
71 Correct 456 ms 58704 KB Output is correct
72 Correct 479 ms 58972 KB Output is correct
73 Correct 515 ms 58680 KB Output is correct
74 Correct 502 ms 58844 KB Output is correct
75 Correct 556 ms 59084 KB Output is correct
76 Correct 506 ms 58708 KB Output is correct
77 Correct 8 ms 56668 KB Output is correct