답안 #501126

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
501126	2022-01-02T12:09:52 Z	NachoLibre	Bigger segments (IZhO19_segments)	C++17	100 / 100	69 ms	13000 KB

segments

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

const int N = 500005;
int n, b[N][2];
ll a[N];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for(int i = 1; i <= n; ++i) {
		cin >> a[i];
		a[i] += a[i - 1];
	} a[n + 1] = 1e17;
	b[1][0] = 1; b[1][1] = 0;
	int x = 0, y = 0;
	for(int i = 1; i <= n; ++i) {
		if(b[i][0] >= x) { x = b[i][0]; y = max(b[i][1], y); }
		int l = i + 1, r = n + 1;
		while(l < r) {
			int m = l + r >> 1;
			if(a[m] - a[i] >= a[i] - a[y]) r = m;
			else l = m + 1;
		}
		if(x + 1 >= b[l][0]) { b[l][0] = x + 1; b[l][1] = i; }
		// cout << i << " " << x << " " << y << endl;
	}
	cout << x << endl;
	return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:26:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   26 |    int m = l + r >> 1;
      |            ~~^~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	316 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	316 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 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	324 KB	Output is correct
42	Correct	1 ms	328 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	316 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 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	324 KB	Output is correct
42	Correct	1 ms	328 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct
46	Correct	10 ms	1476 KB	Output is correct
47	Correct	15 ms	2160 KB	Output is correct
48	Correct	13 ms	2648 KB	Output is correct
49	Correct	12 ms	2728 KB	Output is correct
50	Correct	12 ms	2744 KB	Output is correct
51	Correct	16 ms	2884 KB	Output is correct
52	Correct	8 ms	1488 KB	Output is correct
53	Correct	6 ms	1068 KB	Output is correct
54	Correct	11 ms	1980 KB	Output is correct
55	Correct	14 ms	2740 KB	Output is correct
56	Correct	10 ms	2256 KB	Output is correct
57	Correct	10 ms	1856 KB	Output is correct
58	Correct	12 ms	2148 KB	Output is correct
59	Correct	11 ms	2492 KB	Output is correct
60	Correct	15 ms	2396 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	328 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	316 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	0 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 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	324 KB	Output is correct
42	Correct	1 ms	328 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct
46	Correct	10 ms	1476 KB	Output is correct
47	Correct	15 ms	2160 KB	Output is correct
48	Correct	13 ms	2648 KB	Output is correct
49	Correct	12 ms	2728 KB	Output is correct
50	Correct	12 ms	2744 KB	Output is correct
51	Correct	16 ms	2884 KB	Output is correct
52	Correct	8 ms	1488 KB	Output is correct
53	Correct	6 ms	1068 KB	Output is correct
54	Correct	11 ms	1980 KB	Output is correct
55	Correct	14 ms	2740 KB	Output is correct
56	Correct	10 ms	2256 KB	Output is correct
57	Correct	10 ms	1856 KB	Output is correct
58	Correct	12 ms	2148 KB	Output is correct
59	Correct	11 ms	2492 KB	Output is correct
60	Correct	15 ms	2396 KB	Output is correct
61	Correct	49 ms	6172 KB	Output is correct
62	Correct	54 ms	8112 KB	Output is correct
63	Correct	63 ms	9384 KB	Output is correct
64	Correct	66 ms	12612 KB	Output is correct
65	Correct	60 ms	12968 KB	Output is correct
66	Correct	69 ms	12868 KB	Output is correct
67	Correct	61 ms	10388 KB	Output is correct
68	Correct	28 ms	5260 KB	Output is correct
69	Correct	44 ms	9148 KB	Output is correct
70	Correct	64 ms	13000 KB	Output is correct
71	Correct	40 ms	10064 KB	Output is correct
72	Correct	68 ms	8816 KB	Output is correct
73	Correct	52 ms	10392 KB	Output is correct
74	Correct	51 ms	11328 KB	Output is correct
75	Correct	56 ms	11396 KB	Output is correct

답안 #501126

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0