oj.uz

Submission #218026

# Submission time Handle Problem Language Result Execution time Memory
218026 2020-03-31T12:40:51 Z manh9203 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
100 / 100
 777 ms 91188 KB 
#include<bits/stdc++.h>

using namespace std;

#define ll long long
const int N = 3e5 + 5;

int n, q, L[2][N], R[2][N];

struct node{
	ll l, r, pos, cost;
} st[2][4 * N];

node merge(node a, node b){
	node res;
	if(a.l == a.r){
		if(b.l == b.r){
			res.l = res.r = a.l;
			res.pos = b.pos;
			res.cost = a.cost + b.cost + max(0LL, a.pos - b.l);
		} else {
			res.l = res.r = a.l;
			res.pos = min(b.r, max(b.l, a.pos));
			res.cost = a.cost + b.cost + max(0LL, a.pos - b.r);
		}
	} else {
		if(b.l == b.r){
			if(a.r < b.l){
				res.l = res.r = a.r;
				res.pos = b.pos;
				res.cost = a.cost + b.cost;
			} else if(a.l > b.l){
				res.l = res.r = a.l;
				res.pos = b.pos;
				res.cost = a.cost + b.cost + a.pos - b.l;
			} else {
				res.l = res.r = b.l;
				res.pos = b.pos;
				res.cost = a.cost + b.cost;
			}
		} else {
			if(a.r < b.l){
				res.l = res.r = a.r;
				res.pos = b.l;
				res.cost = a.cost + b.cost;
			} else if(a.l > b.r){
				res.l = res.r = a.l;
				res.pos = b.r;
				res.cost = a.cost + b.cost + a.l - b.r; 
			} else {
				res.l = max(a.l, b.l);
				res.r = min(a.r, b.r);
				res.pos = res.l;
				res.cost = 0;
			}
		}
	}
	return res;
}

void build(int id, int l, int r, int t){
	if(l == r){
		st[t][id].l = L[t][l];
		st[t][id].r = R[t][l];
		st[t][id].pos = L[t][l];
		st[t][id].cost = 0;
		return;
	}
	int mid = (l + r) >> 1;
	build(id << 1, l, mid, t);
	build(id << 1 | 1, mid + 1, r, t);
	st[t][id] = merge(st[t][id << 1], st[t][id << 1 | 1]);
}

void update(int id, int l, int r, int i, node x, int t){
	if(l > i || r < i){
		return;
	}
	if(l == r){
		st[t][id] = x;
		return;
	}
	int mid = (l + r) >> 1;
	update(id << 1, l, mid, i, x, t);
	update(id << 1 | 1, mid + 1, r, i, x, t);
	st[t][id] = merge(st[t][id << 1], st[t][id << 1 | 1]);
}

node get(int id, int l, int r, int i, int j, int t){
	if(l > j || r < i || i > j){
		return {(ll)-1e9, (ll)1e9, (ll)-1e9, 0};
	}
	if(l >= i && r <= j){
		return st[t][id];
	}
	int mid = (l + r) >> 1;
	return merge(get(id << 1, l, mid, i, j, t), get(id << 1 | 1, mid + 1, r, i, j, t));
}

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	
	cin >> n >> q;
	
	if(n == 1){
		while(q--){
			int t, a, b, c, d;
			cin >> t;
			if(t == 2){
				cin >> a >> b >> c >> d;
				cout << max(0, b - d) << "\n";
			}
		}
		return 0;
	}
	
	for(int i = 1; i < n; i++){
		cin >> L[0][i] >> R[0][i];
		L[1][n - i] = L[0][i];
		R[1][n - i] = R[0][i];
	}
	for(int i = 1; i < n; i++){
		L[0][i] -= i; R[0][i] -= i + 1;
		L[1][i] -= i; R[1][i] -= i + 1;
	}
	build(1, 1, n - 1, 0);
	build(1, 1, n - 1, 1);
	
	while(q--){
		int t;
		cin >> t;
		if(t == 1){
			int p, s, e;
			cin >> p >> s >> e;
			node tmp = {s - p, e - p - 1, s - p, 0};
			update(1, 1, n - 1, p, tmp, 0);
			p = n - p;
			tmp = {s - p, e - p - 1, s - p, 0};
			update(1, 1, n - 1, p, tmp, 1);
		} else {
			int a, b, c, d;
			cin >> a >> b >> c >> d;
			if(a == c){
				cout << max(0, b - d) << "\n";
			} else {
				int ck = 0;
				if(a > c){
					a = n - a + 1; c = n - c + 1;
					ck = 1;
				}
				node res = get(1, 1, n - 1, a, c - 1, ck);
				b -= a; d -= c;
				res = merge({b, b, b, 0}, res);
				cout << res.cost + max(0LL, res.pos - d) << "\n";
			}
		}
	}
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 640 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 7 ms 512 KB Output is correct
15 Correct 6 ms 640 KB Output is correct
16 Correct 6 ms 640 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 6 ms 640 KB Output is correct
19 Correct 6 ms 640 KB Output is correct
20 Correct 6 ms 640 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 6 ms 512 KB Output is correct
23 Correct 6 ms 640 KB Output is correct
24 Correct 6 ms 512 KB Output is correct
25 Correct 6 ms 512 KB Output is correct
26 Correct 6 ms 512 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 6 ms 640 KB Output is correct
29 Correct 7 ms 640 KB Output is correct
30 Correct 7 ms 640 KB Output is correct
31 Correct 6 ms 640 KB Output is correct
32 Correct 6 ms 640 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 6 ms 640 KB Output is correct
36 Correct 6 ms 640 KB Output is correct
37 Correct 6 ms 512 KB Output is correct
38 Correct 7 ms 512 KB Output is correct
39 Correct 6 ms 512 KB Output is correct
40 Correct 6 ms 512 KB Output is correct
41 Correct 5 ms 384 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 701 ms 90192 KB Output is correct
2 Correct 654 ms 56744 KB Output is correct
3 Correct 653 ms 56952 KB Output is correct
4 Correct 675 ms 56672 KB Output is correct
5 Correct 695 ms 90064 KB Output is correct
6 Correct 723 ms 89848 KB Output is correct
7 Correct 690 ms 90216 KB Output is correct
8 Correct 663 ms 91000 KB Output is correct
9 Correct 654 ms 56824 KB Output is correct
10 Correct 654 ms 90232 KB Output is correct
11 Correct 658 ms 90080 KB Output is correct
12 Correct 677 ms 90984 KB Output is correct
13 Correct 735 ms 91188 KB Output is correct
14 Correct 5 ms 384 KB Output is correct

Subtask #3
66.0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 640 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 7 ms 512 KB Output is correct
15 Correct 6 ms 640 KB Output is correct
16 Correct 6 ms 640 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 6 ms 640 KB Output is correct
19 Correct 6 ms 640 KB Output is correct
20 Correct 6 ms 640 KB Output is correct
21 Correct 6 ms 640 KB Output is correct
22 Correct 6 ms 512 KB Output is correct
23 Correct 6 ms 640 KB Output is correct
24 Correct 6 ms 512 KB Output is correct
25 Correct 6 ms 512 KB Output is correct
26 Correct 6 ms 512 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 6 ms 640 KB Output is correct
29 Correct 7 ms 640 KB Output is correct
30 Correct 7 ms 640 KB Output is correct
31 Correct 6 ms 640 KB Output is correct
32 Correct 6 ms 640 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 6 ms 640 KB Output is correct
36 Correct 6 ms 640 KB Output is correct
37 Correct 6 ms 512 KB Output is correct
38 Correct 7 ms 512 KB Output is correct
39 Correct 6 ms 512 KB Output is correct
40 Correct 6 ms 512 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 701 ms 90192 KB Output is correct
43 Correct 654 ms 56744 KB Output is correct
44 Correct 653 ms 56952 KB Output is correct
45 Correct 675 ms 56672 KB Output is correct
46 Correct 695 ms 90064 KB Output is correct
47 Correct 723 ms 89848 KB Output is correct
48 Correct 690 ms 90216 KB Output is correct
49 Correct 663 ms 91000 KB Output is correct
50 Correct 654 ms 56824 KB Output is correct
51 Correct 654 ms 90232 KB Output is correct
52 Correct 658 ms 90080 KB Output is correct
53 Correct 677 ms 90984 KB Output is correct
54 Correct 735 ms 91188 KB Output is correct
55 Correct 5 ms 384 KB Output is correct
56 Correct 713 ms 86904 KB Output is correct
57 Correct 695 ms 53344 KB Output is correct
58 Correct 690 ms 87288 KB Output is correct
59 Correct 746 ms 87416 KB Output is correct
60 Correct 669 ms 53764 KB Output is correct
61 Correct 773 ms 87672 KB Output is correct
62 Correct 752 ms 87800 KB Output is correct
63 Correct 777 ms 87660 KB Output is correct
64 Correct 744 ms 87724 KB Output is correct
65 Correct 734 ms 87288 KB Output is correct
66 Correct 710 ms 87116 KB Output is correct
67 Correct 717 ms 87788 KB Output is correct
68 Correct 717 ms 72696 KB Output is correct
69 Correct 719 ms 87800 KB Output is correct
70 Correct 688 ms 53848 KB Output is correct
71 Correct 678 ms 52856 KB Output is correct
72 Correct 670 ms 64316 KB Output is correct
73 Correct 713 ms 87136 KB Output is correct
74 Correct 697 ms 87288 KB Output is correct
75 Correct 722 ms 87416 KB Output is correct
76 Correct 719 ms 88056 KB Output is correct
77 Correct 5 ms 384 KB Output is correct