답안 #1074238

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1074238	2024-08-25T09:00:05 Z	Gromp15	송신탑 (IOI22_towers)	C++17	37 / 100	712 ms	4048 KB

towers

#include <bits/stdc++.h>
#include "towers.h"
#define ll long long
#define ar array
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
using namespace std;

template<typename T> bool ckmin(T &a, const T &b ) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b ) { return a < b ? a = b, 1 : 0; }

int n; vector<int> h, h2, pref;
int test(int i) {
	return (i && i+1 < n && ((h[i] > h[i-1] && h[i] > h[i+1])));
}
void init(int N, std::vector<int> H) {
	n = N;
	h = H;
	h2 = H;
	sort(all(h2));
	h2.erase(unique(all(h2)), h2.end());
	for (int &x : h) x = lower_bound(all(h2), x) - h2.begin();
	pref.resize(n);
	for (int i = 0; i < n; i++) {
		pref[i] = test(i) + (i ? pref[i-1] : 0);
	}
}

struct seg {
	int N; vector<int> tree;
	seg(int n) : N(1<<(__lg(n)+1)), tree(2*N, -1e9) {}
	void update(int pos, int x) {
		for (int i = pos + N; i; i >>= 1) ckmax(tree[i], x);
	}
	int query(int node, int nl, int nr, int ql, int qr) {
		if (ql > nr || qr < nl) return -1e9;
		if (ql <= nl && nr <= qr) return tree[node];
		int mid = (nl+nr)/2;
		return max(query(node*2, nl, mid, ql, qr), query(node*2+1, mid+1, nr, ql, qr));
	}
	int query(int l, int r) {
		return query(1, 0, N-1, l, r);
	}
};

int Q = 0;
int max_towers(int L, int R, int D) {
	if (Q++ == 0) {
		const int N = sz(h2);
		seg st0(N), st1(N); 
		for (int i = L; i <= R; i++) {
			auto it = lower_bound(all(h2), h2[h[i]] + D);
			if (it != h2.end()) {
				st1.update(h[i], st0.query(it - h2.begin(), N - 1) + 1);
			}
			auto it2 = upper_bound(all(h2), h2[h[i]] - D);
			if (it2 != h2.begin()) {
				it2--;
				st0.update(h[i], st1.query(0, it2 - h2.begin()));
			}
			st1.update(h[i], 1);
		}
		return st1.query(0, N-1);
	}
	return pref[R] - (L ? pref[L-1] : 0) + 1 - test(L) - test(R) + (L == R ? test(L) : 0);
}

Subtask #1
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	283 ms	2412 KB	2nd lines differ - on the 1st token, expected: '1', found: '2'
2	Halted	0 ms	0 KB	-

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	372 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	504 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	500 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	496 KB	Output is correct
31	Correct	2 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	2 ms	344 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	372 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	504 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	500 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	496 KB	Output is correct
31	Correct	2 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	2 ms	344 KB	Output is correct
36	Correct	26 ms	2472 KB	Output is correct
37	Correct	37 ms	3916 KB	Output is correct
38	Correct	48 ms	4040 KB	Output is correct
39	Correct	31 ms	3884 KB	Output is correct
40	Correct	33 ms	4016 KB	Output is correct
41	Correct	74 ms	4040 KB	Output is correct
42	Correct	33 ms	3912 KB	Output is correct
43	Correct	26 ms	3924 KB	Output is correct
44	Correct	19 ms	4048 KB	Output is correct
45	Correct	16 ms	4048 KB	Output is correct
46	Correct	15 ms	4028 KB	Output is correct
47	Correct	47 ms	4048 KB	Output is correct
48	Correct	53 ms	4040 KB	Output is correct
49	Correct	29 ms	4040 KB	Output is correct
50	Correct	22 ms	4048 KB	Output is correct
51	Correct	26 ms	4048 KB	Output is correct
52	Correct	95 ms	3900 KB	Output is correct
53	Correct	74 ms	4048 KB	Output is correct
54	Correct	79 ms	4048 KB	Output is correct
55	Correct	43 ms	3924 KB	Output is correct
56	Correct	42 ms	4048 KB	Output is correct
57	Correct	50 ms	3804 KB	Output is correct
58	Correct	57 ms	4048 KB	Output is correct
59	Correct	67 ms	4048 KB	Output is correct
60	Correct	88 ms	3920 KB	Output is correct
61	Correct	74 ms	4048 KB	Output is correct
62	Correct	62 ms	3916 KB	Output is correct
63	Correct	82 ms	4044 KB	Output is correct
64	Correct	44 ms	3912 KB	Output is correct
65	Correct	38 ms	3920 KB	Output is correct
66	Correct	46 ms	3924 KB	Output is correct
67	Correct	33 ms	4048 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	485 ms	4016 KB	Output is correct
2	Correct	596 ms	4040 KB	Output is correct
3	Correct	670 ms	4048 KB	Output is correct
4	Correct	614 ms	4048 KB	Output is correct
5	Correct	709 ms	4048 KB	Output is correct
6	Correct	606 ms	4040 KB	Output is correct
7	Correct	712 ms	4044 KB	Output is correct
8	Correct	708 ms	4048 KB	Output is correct
9	Correct	659 ms	4048 KB	Output is correct
10	Correct	644 ms	4048 KB	Output is correct
11	Correct	685 ms	4048 KB	Output is correct
12	Correct	663 ms	3928 KB	Output is correct
13	Correct	672 ms	4028 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	53 ms	4048 KB	Output is correct
18	Correct	41 ms	3924 KB	Output is correct
19	Correct	30 ms	3924 KB	Output is correct
20	Correct	23 ms	4048 KB	Output is correct
21	Correct	30 ms	4040 KB	Output is correct
22	Correct	84 ms	4020 KB	Output is correct
23	Correct	84 ms	4044 KB	Output is correct
24	Correct	100 ms	4016 KB	Output is correct
25	Correct	45 ms	4024 KB	Output is correct
26	Correct	73 ms	4040 KB	Output is correct
27	Correct	2 ms	344 KB	Output is correct
28	Correct	2 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	2 ms	344 KB	Output is correct
35	Correct	1 ms	344 KB	Output is correct
36	Correct	1 ms	344 KB	Output is correct

Subtask #5
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	188 ms	1432 KB	2nd lines differ - on the 1st token, expected: '7063', found: '8004'
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	372 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	504 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	500 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	496 KB	Output is correct
31	Correct	2 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	2 ms	344 KB	Output is correct
36	Correct	26 ms	2472 KB	Output is correct
37	Correct	37 ms	3916 KB	Output is correct
38	Correct	48 ms	4040 KB	Output is correct
39	Correct	31 ms	3884 KB	Output is correct
40	Correct	33 ms	4016 KB	Output is correct
41	Correct	74 ms	4040 KB	Output is correct
42	Correct	33 ms	3912 KB	Output is correct
43	Correct	26 ms	3924 KB	Output is correct
44	Correct	19 ms	4048 KB	Output is correct
45	Correct	16 ms	4048 KB	Output is correct
46	Correct	15 ms	4028 KB	Output is correct
47	Correct	47 ms	4048 KB	Output is correct
48	Correct	53 ms	4040 KB	Output is correct
49	Correct	29 ms	4040 KB	Output is correct
50	Correct	22 ms	4048 KB	Output is correct
51	Correct	26 ms	4048 KB	Output is correct
52	Correct	95 ms	3900 KB	Output is correct
53	Correct	74 ms	4048 KB	Output is correct
54	Correct	79 ms	4048 KB	Output is correct
55	Correct	43 ms	3924 KB	Output is correct
56	Correct	42 ms	4048 KB	Output is correct
57	Correct	50 ms	3804 KB	Output is correct
58	Correct	57 ms	4048 KB	Output is correct
59	Correct	67 ms	4048 KB	Output is correct
60	Correct	88 ms	3920 KB	Output is correct
61	Correct	74 ms	4048 KB	Output is correct
62	Correct	62 ms	3916 KB	Output is correct
63	Correct	82 ms	4044 KB	Output is correct
64	Correct	44 ms	3912 KB	Output is correct
65	Correct	38 ms	3920 KB	Output is correct
66	Correct	46 ms	3924 KB	Output is correct
67	Correct	33 ms	4048 KB	Output is correct
68	Correct	485 ms	4016 KB	Output is correct
69	Correct	596 ms	4040 KB	Output is correct
70	Correct	670 ms	4048 KB	Output is correct
71	Correct	614 ms	4048 KB	Output is correct
72	Correct	709 ms	4048 KB	Output is correct
73	Correct	606 ms	4040 KB	Output is correct
74	Correct	712 ms	4044 KB	Output is correct
75	Correct	708 ms	4048 KB	Output is correct
76	Correct	659 ms	4048 KB	Output is correct
77	Correct	644 ms	4048 KB	Output is correct
78	Correct	685 ms	4048 KB	Output is correct
79	Correct	663 ms	3928 KB	Output is correct
80	Correct	672 ms	4028 KB	Output is correct
81	Correct	0 ms	344 KB	Output is correct
82	Correct	2 ms	344 KB	Output is correct
83	Correct	1 ms	344 KB	Output is correct
84	Correct	53 ms	4048 KB	Output is correct
85	Correct	41 ms	3924 KB	Output is correct
86	Correct	30 ms	3924 KB	Output is correct
87	Correct	23 ms	4048 KB	Output is correct
88	Correct	30 ms	4040 KB	Output is correct
89	Correct	84 ms	4020 KB	Output is correct
90	Correct	84 ms	4044 KB	Output is correct
91	Correct	100 ms	4016 KB	Output is correct
92	Correct	45 ms	4024 KB	Output is correct
93	Correct	73 ms	4040 KB	Output is correct
94	Correct	2 ms	344 KB	Output is correct
95	Correct	2 ms	344 KB	Output is correct
96	Correct	1 ms	344 KB	Output is correct
97	Correct	1 ms	344 KB	Output is correct
98	Correct	1 ms	344 KB	Output is correct
99	Correct	1 ms	344 KB	Output is correct
100	Correct	1 ms	344 KB	Output is correct
101	Correct	2 ms	344 KB	Output is correct
102	Correct	1 ms	344 KB	Output is correct
103	Correct	1 ms	344 KB	Output is correct
104	Incorrect	557 ms	3828 KB	2nd lines differ - on the 1st token, expected: '18702', found: '21427'
105	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	283 ms	2412 KB	2nd lines differ - on the 1st token, expected: '1', found: '2'
2	Halted	0 ms	0 KB	-

답안 #1074238

Compilation message

Subtask #1 0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 12.0 / 12.0

Subtask #4 14.0 / 14.0

Subtask #5 0 / 17.0

Subtask #6 0 / 19.0

Subtask #7 0 / 23.0

Subtask #1
0 / 4.0

Subtask #2
11.0 / 11.0

Subtask #3
12.0 / 12.0

Subtask #4
14.0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0