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Submission #1020963

# Submission time Handle Problem Language Result Execution time Memory
1020963 2024-07-12T12:12:39 Z vjudge3 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 858 ms 75160 KB 
#include <bits/stdc++.h>
using namespace std;

int a[1000005];
bool ans[1000005];
const int inf = 1e9;

struct Node {
	int ans, mx;
} seg[4000005];

struct Query {
	int id, l, r, k;
	bool operator< (Query& o) {return r < o.r;} 
};

int query_idx(int id, int l, int r, int x) {
	if (l == r) return l;
	if (seg[id*2+1].mx > x) return query_idx(id*2+1, (l+r)/2+1, r, x);
	return query_idx(id*2, l, (l+r)/2, x);
}

void upd_ans(int id, int l, int r, int pos, int x) {
	if (l == r) {
		seg[id].ans = max(seg[id].ans, x);
		return;
	}
	int mid = (l+r)/2;
	if (mid < pos) upd_ans(id*2+1, mid+1, r, pos, x);
	else upd_ans(id*2, l, mid, pos, x);
	seg[id].ans = max(seg[id*2].ans, seg[id*2+1].ans);
}

void upd_mx(int id, int l, int r, int pos, int x) {
	if (l == r) {
		seg[id].mx = x;
		return;
	}
	int mid = (l+r)/2;
	if (mid < pos) upd_mx(id*2+1, mid+1, r, pos, x);
	else upd_mx(id*2, l, mid, pos, x);
	seg[id].mx = max(seg[id*2].mx, seg[id*2+1].mx);
}

int query_ans(int id, int l, int r, int ql) {
	if (r < ql) return 0;
	if (ql <= l) return seg[id].ans;
	return max(query_ans(id*2, l, (l+r)/2, ql), query_ans(id*2+1, (l+r)/2+1, r, ql));
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, m;
	cin >> n >> m;
	for (int i = 1; i <= n; i++) cin >> a[i];
	vector<Query> query (m);
	for (int i = 0; i < m; i++) {
		query[i].id = i+1;
		cin >> query[i].l >> query[i].r >> query[i].k;
	}
	query.push_back({0, 0, 0, 0});
	sort(query.begin(), query.end());
	for (int i = 1; i <= m; i++) {
		for (int j = query[i-1].r+1; j <= query[i].r; j++) {
			upd_mx(1, 1, n, j, a[j]);
			if (seg[1].mx != a[j]) {
				int idx = query_idx(1, 1, n, a[j]);
				upd_ans(1, 1, n, idx, a[idx] + a[j]);
			}
		}
		ans[query[i].id] = query_ans(1, 1, n, query[i].l) <= query[i].k;
	}
	for (int i = 1; i <= m; i++) cout << ans[i] << '\n';
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 3 ms 2652 KB Output is correct
13 Correct 3 ms 2652 KB Output is correct
14 Correct 3 ms 2908 KB Output is correct
15 Correct 4 ms 2952 KB Output is correct
16 Correct 3 ms 2908 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 3 ms 2652 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 830 ms 73284 KB Output is correct
2 Correct 789 ms 73900 KB Output is correct
3 Correct 796 ms 74612 KB Output is correct
4 Correct 811 ms 72768 KB Output is correct
5 Correct 668 ms 73280 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 8248 KB Output is correct
2 Correct 65 ms 8256 KB Output is correct
3 Correct 53 ms 8376 KB Output is correct
4 Correct 53 ms 9720 KB Output is correct
5 Correct 53 ms 9268 KB Output is correct
6 Correct 55 ms 8260 KB Output is correct
7 Correct 46 ms 8908 KB Output is correct
8 Correct 52 ms 9016 KB Output is correct
9 Correct 25 ms 6744 KB Output is correct
10 Correct 50 ms 7992 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 3 ms 2652 KB Output is correct
13 Correct 3 ms 2652 KB Output is correct
14 Correct 3 ms 2908 KB Output is correct
15 Correct 4 ms 2952 KB Output is correct
16 Correct 3 ms 2908 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 3 ms 2652 KB Output is correct
19 Correct 147 ms 18964 KB Output is correct
20 Correct 152 ms 20756 KB Output is correct
21 Correct 136 ms 20440 KB Output is correct
22 Correct 140 ms 19476 KB Output is correct
23 Correct 139 ms 19968 KB Output is correct
24 Correct 112 ms 19220 KB Output is correct
25 Correct 108 ms 19660 KB Output is correct
26 Correct 115 ms 20760 KB Output is correct
27 Correct 118 ms 19400 KB Output is correct
28 Correct 119 ms 19732 KB Output is correct
29 Correct 135 ms 18968 KB Output is correct
30 Correct 119 ms 20248 KB Output is correct
31 Correct 118 ms 19476 KB Output is correct
32 Correct 120 ms 20500 KB Output is correct
33 Correct 121 ms 20504 KB Output is correct
34 Correct 112 ms 18968 KB Output is correct
35 Correct 116 ms 20552 KB Output is correct
36 Correct 106 ms 19720 KB Output is correct
37 Correct 104 ms 19988 KB Output is correct
38 Correct 127 ms 18760 KB Output is correct
39 Correct 113 ms 17688 KB Output is correct
40 Correct 85 ms 13908 KB Output is correct
41 Correct 116 ms 17684 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 3 ms 2652 KB Output is correct
13 Correct 3 ms 2652 KB Output is correct
14 Correct 3 ms 2908 KB Output is correct
15 Correct 4 ms 2952 KB Output is correct
16 Correct 3 ms 2908 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 3 ms 2652 KB Output is correct
19 Correct 830 ms 73284 KB Output is correct
20 Correct 789 ms 73900 KB Output is correct
21 Correct 796 ms 74612 KB Output is correct
22 Correct 811 ms 72768 KB Output is correct
23 Correct 668 ms 73280 KB Output is correct
24 Correct 65 ms 8248 KB Output is correct
25 Correct 65 ms 8256 KB Output is correct
26 Correct 53 ms 8376 KB Output is correct
27 Correct 53 ms 9720 KB Output is correct
28 Correct 53 ms 9268 KB Output is correct
29 Correct 55 ms 8260 KB Output is correct
30 Correct 46 ms 8908 KB Output is correct
31 Correct 52 ms 9016 KB Output is correct
32 Correct 25 ms 6744 KB Output is correct
33 Correct 50 ms 7992 KB Output is correct
34 Correct 147 ms 18964 KB Output is correct
35 Correct 152 ms 20756 KB Output is correct
36 Correct 136 ms 20440 KB Output is correct
37 Correct 140 ms 19476 KB Output is correct
38 Correct 139 ms 19968 KB Output is correct
39 Correct 112 ms 19220 KB Output is correct
40 Correct 108 ms 19660 KB Output is correct
41 Correct 115 ms 20760 KB Output is correct
42 Correct 118 ms 19400 KB Output is correct
43 Correct 119 ms 19732 KB Output is correct
44 Correct 135 ms 18968 KB Output is correct
45 Correct 119 ms 20248 KB Output is correct
46 Correct 118 ms 19476 KB Output is correct
47 Correct 120 ms 20500 KB Output is correct
48 Correct 121 ms 20504 KB Output is correct
49 Correct 112 ms 18968 KB Output is correct
50 Correct 116 ms 20552 KB Output is correct
51 Correct 106 ms 19720 KB Output is correct
52 Correct 104 ms 19988 KB Output is correct
53 Correct 127 ms 18760 KB Output is correct
54 Correct 113 ms 17688 KB Output is correct
55 Correct 85 ms 13908 KB Output is correct
56 Correct 116 ms 17684 KB Output is correct
57 Correct 850 ms 74272 KB Output is correct
58 Correct 841 ms 74644 KB Output is correct
59 Correct 796 ms 73380 KB Output is correct
60 Correct 849 ms 74164 KB Output is correct
61 Correct 798 ms 73108 KB Output is correct
62 Correct 858 ms 74108 KB Output is correct
63 Correct 637 ms 72284 KB Output is correct
64 Correct 588 ms 72152 KB Output is correct
65 Correct 662 ms 75124 KB Output is correct
66 Correct 657 ms 74504 KB Output is correct
67 Correct 653 ms 74736 KB Output is correct
68 Correct 666 ms 75160 KB Output is correct
69 Correct 699 ms 74040 KB Output is correct
70 Correct 663 ms 74428 KB Output is correct
71 Correct 703 ms 74112 KB Output is correct
72 Correct 651 ms 73608 KB Output is correct
73 Correct 584 ms 71248 KB Output is correct
74 Correct 595 ms 72772 KB Output is correct
75 Correct 559 ms 70212 KB Output is correct
76 Correct 603 ms 70408 KB Output is correct
77 Correct 559 ms 71744 KB Output is correct
78 Correct 628 ms 68792 KB Output is correct
79 Correct 441 ms 58964 KB Output is correct
80 Correct 630 ms 64820 KB Output is correct