Submission #501388

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
501388	2022-01-03T03:42:37 Z	zhougz	역사적 조사 (JOI14_historical)	C++17	100 / 100	1039 ms	7772 KB

historic

/**
 *    author: zhougz
 *    created: 03/01/2022 10:55:06
**/
#include "bits/stdc++.h"

using namespace std;

int blk_sz;

struct query {
	int l, r, idx;
	bool operator<(const query &rhs) const {
		return l / blk_sz != rhs.l / blk_sz ? l < rhs.l : (r < rhs.r) ^ ((l / blk_sz) & 1);
	}
};

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	blk_sz = n / sqrt(q);
	vector<int> arr(n);
	for (int i = 0; i < n; i++) {
		cin >> arr[i];
	}
	vector<query> queries(q);
	for (int i = 0; i < q; i++) {
		cin >> queries[i].l >> queries[i].r;
		queries[i].l--;
		queries[i].r--;
		queries[i].idx = i;
	}
	sort(queries.begin(), queries.end());
	vector<int> v(arr.begin(), arr.end());
	sort(v.begin(), v.end());
	v.erase(unique(v.begin(), v.end()), v.end());
	vector<int> idx(n);
	for (int i = 0; i < n; i++) {
		idx[i] = lower_bound(v.begin(), v.end(), arr[i]) - v.begin();
	}
	const int N = 1 << (int)ceil(log2(v.size()));
	vector<long long> t(2 * N);
	auto update = [&](int x, int val) {
		t[x += N] += val;
		while ((x >>= 1) != 0) {
			t[x] = max(t[x << 1], t[(x << 1) + 1]);
		}
	};
	auto add = [&](int x) {
		update(idx[x], arr[x]);
	};
	auto remove = [&](int x) {
		update(idx[x], -arr[x]);
	};
	vector<long long> res(q);
	int cur_l = 0, cur_r = -1;
	for (const auto &[l, r, idx] : queries) {
		while (cur_l < l) {
			remove(cur_l++);
		}
		while (cur_l > l) {
			add(--cur_l);
		}
		while (cur_r < r) {
			add(++cur_r);
		}
		while (cur_r > r) {
			remove(cur_r--);
		}
		res[idx] = t[1];
	}
	for (auto x : res) {
		cout << x << '\n';
	}
	return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	308 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	312 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	312 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	308 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	312 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	312 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	332 KB	Output is correct
20	Correct	4 ms	412 KB	Output is correct
21	Correct	8 ms	460 KB	Output is correct
22	Correct	7 ms	508 KB	Output is correct
23	Correct	6 ms	456 KB	Output is correct
24	Correct	6 ms	456 KB	Output is correct
25	Correct	9 ms	516 KB	Output is correct
26	Correct	9 ms	580 KB	Output is correct
27	Correct	10 ms	588 KB	Output is correct
28	Correct	11 ms	600 KB	Output is correct
29	Correct	10 ms	664 KB	Output is correct
30	Correct	10 ms	572 KB	Output is correct
31	Correct	7 ms	552 KB	Output is correct
32	Correct	5 ms	560 KB	Output is correct
33	Correct	9 ms	588 KB	Output is correct
34	Correct	9 ms	588 KB	Output is correct
35	Correct	10 ms	628 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	352 KB	Output is correct
7	Correct	3 ms	396 KB	Output is correct
8	Correct	5 ms	580 KB	Output is correct
9	Correct	9 ms	904 KB	Output is correct
10	Correct	6 ms	1156 KB	Output is correct
11	Correct	48 ms	5292 KB	Output is correct
12	Correct	28 ms	2244 KB	Output is correct
13	Correct	41 ms	3248 KB	Output is correct
14	Correct	62 ms	5552 KB	Output is correct
15	Correct	83 ms	7476 KB	Output is correct
16	Correct	59 ms	6460 KB	Output is correct
17	Correct	28 ms	2756 KB	Output is correct
18	Correct	56 ms	5180 KB	Output is correct
19	Correct	59 ms	7772 KB	Output is correct
20	Correct	29 ms	5160 KB	Output is correct

Subtask #4
60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	308 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	312 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	312 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	332 KB	Output is correct
20	Correct	4 ms	412 KB	Output is correct
21	Correct	8 ms	460 KB	Output is correct
22	Correct	7 ms	508 KB	Output is correct
23	Correct	6 ms	456 KB	Output is correct
24	Correct	6 ms	456 KB	Output is correct
25	Correct	9 ms	516 KB	Output is correct
26	Correct	9 ms	580 KB	Output is correct
27	Correct	10 ms	588 KB	Output is correct
28	Correct	11 ms	600 KB	Output is correct
29	Correct	10 ms	664 KB	Output is correct
30	Correct	10 ms	572 KB	Output is correct
31	Correct	7 ms	552 KB	Output is correct
32	Correct	5 ms	560 KB	Output is correct
33	Correct	9 ms	588 KB	Output is correct
34	Correct	9 ms	588 KB	Output is correct
35	Correct	10 ms	628 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	352 KB	Output is correct
42	Correct	3 ms	396 KB	Output is correct
43	Correct	5 ms	580 KB	Output is correct
44	Correct	9 ms	904 KB	Output is correct
45	Correct	6 ms	1156 KB	Output is correct
46	Correct	48 ms	5292 KB	Output is correct
47	Correct	28 ms	2244 KB	Output is correct
48	Correct	41 ms	3248 KB	Output is correct
49	Correct	62 ms	5552 KB	Output is correct
50	Correct	83 ms	7476 KB	Output is correct
51	Correct	59 ms	6460 KB	Output is correct
52	Correct	28 ms	2756 KB	Output is correct
53	Correct	56 ms	5180 KB	Output is correct
54	Correct	59 ms	7772 KB	Output is correct
55	Correct	29 ms	5160 KB	Output is correct
56	Correct	23 ms	744 KB	Output is correct
57	Correct	54 ms	1428 KB	Output is correct
58	Correct	124 ms	2168 KB	Output is correct
59	Correct	213 ms	2884 KB	Output is correct
60	Correct	296 ms	3516 KB	Output is correct
61	Correct	360 ms	4172 KB	Output is correct
62	Correct	304 ms	4700 KB	Output is correct
63	Correct	263 ms	5556 KB	Output is correct
64	Correct	209 ms	6212 KB	Output is correct
65	Correct	150 ms	6212 KB	Output is correct
66	Correct	300 ms	6460 KB	Output is correct
67	Correct	487 ms	6352 KB	Output is correct
68	Correct	720 ms	6588 KB	Output is correct
69	Correct	935 ms	7116 KB	Output is correct
70	Correct	1039 ms	7600 KB	Output is correct
71	Correct	1008 ms	7640 KB	Output is correct
72	Correct	1004 ms	7748 KB	Output is correct
73	Correct	1000 ms	7616 KB	Output is correct
74	Correct	984 ms	7624 KB	Output is correct
75	Correct	912 ms	7108 KB	Output is correct
76	Correct	909 ms	7228 KB	Output is correct
77	Correct	886 ms	7356 KB	Output is correct
78	Correct	927 ms	7104 KB	Output is correct
79	Correct	905 ms	7120 KB	Output is correct
80	Correct	135 ms	6976 KB	Output is correct

Submission #501388

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 25.0 / 25.0

Subtask #4 60.0 / 60.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
25.0 / 25.0

Subtask #4
60.0 / 60.0