Submission #770119

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
770119	2023-06-30T19:06:04 Z	rainboy	Bigger segments (IZhO19_segments)	C	100 / 100	50 ms	16780 KB

segments

#include <stdio.h>

#define N	500000

int main() {
	static long long aa[N + 1], bb[N + 1];
	static int pp[N + 1], qu[N + 1];
	int n, cnt, h, i;

	scanf("%d", &n);
	for (i = 1; i <= n; i++) {
		scanf("%lld", &aa[i]);
		aa[i] += aa[i - 1];
	}
	pp[0] = 0, bb[0] = 0;
	cnt = 0;
	qu[cnt++] = 0;
	for (h = 0, i = 1; i <= n; i++) {
		while (h + 1 < cnt && bb[qu[h + 1]] <= aa[i])
			h++;
		pp[i] = qu[h], bb[i] = aa[i] * 2 - aa[pp[i]];
		while (cnt && bb[qu[cnt - 1]] >= bb[i])
			cnt--;
		qu[cnt++] = i;
	}
	i = n, cnt = 0;
	while (i > 0)
		i = pp[i], cnt++;
	printf("%d\n", cnt);
	return 0;
}

Compilation message

segments.c: In function 'main':
segments.c:10:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
segments.c:12:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   scanf("%lld", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	296 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	296 KB	Output is correct
9	Correct	292 KB	Output is correct
10	Correct	212 KB	Output is correct
11	Correct	296 KB	Output is correct
12	Correct	212 KB	Output is correct
13	Correct	288 KB	Output is correct
14	Correct	212 KB	Output is correct
15	Correct	212 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	296 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	292 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	296 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	288 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	296 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	300 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	296 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	292 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	296 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	288 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	296 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	300 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	308 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	312 KB	Output is correct
38	Correct	1 ms	308 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	340 KB	Output is correct
41	Correct	1 ms	296 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	300 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	296 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	292 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	296 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	288 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	296 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	300 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	308 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	312 KB	Output is correct
38	Correct	1 ms	308 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	340 KB	Output is correct
41	Correct	1 ms	296 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	300 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	7 ms	3028 KB	Output is correct
47	Correct	8 ms	2904 KB	Output is correct
48	Correct	13 ms	3028 KB	Output is correct
49	Correct	9 ms	3276 KB	Output is correct
50	Correct	10 ms	3540 KB	Output is correct
51	Correct	10 ms	3408 KB	Output is correct
52	Correct	5 ms	1844 KB	Output is correct
53	Correct	3 ms	1204 KB	Output is correct
54	Correct	8 ms	2644 KB	Output is correct
55	Correct	10 ms	3568 KB	Output is correct
56	Correct	8 ms	3076 KB	Output is correct
57	Correct	7 ms	3000 KB	Output is correct
58	Correct	13 ms	3028 KB	Output is correct
59	Correct	8 ms	3192 KB	Output is correct
60	Correct	8 ms	3164 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	296 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	292 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	296 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	288 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	296 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	300 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	308 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	312 KB	Output is correct
38	Correct	1 ms	308 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	1 ms	340 KB	Output is correct
41	Correct	1 ms	296 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	300 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	7 ms	3028 KB	Output is correct
47	Correct	8 ms	2904 KB	Output is correct
48	Correct	13 ms	3028 KB	Output is correct
49	Correct	9 ms	3276 KB	Output is correct
50	Correct	10 ms	3540 KB	Output is correct
51	Correct	10 ms	3408 KB	Output is correct
52	Correct	5 ms	1844 KB	Output is correct
53	Correct	3 ms	1204 KB	Output is correct
54	Correct	8 ms	2644 KB	Output is correct
55	Correct	10 ms	3568 KB	Output is correct
56	Correct	8 ms	3076 KB	Output is correct
57	Correct	7 ms	3000 KB	Output is correct
58	Correct	13 ms	3028 KB	Output is correct
59	Correct	8 ms	3192 KB	Output is correct
60	Correct	8 ms	3164 KB	Output is correct
61	Correct	35 ms	13884 KB	Output is correct
62	Correct	35 ms	13856 KB	Output is correct
63	Correct	36 ms	13776 KB	Output is correct
64	Correct	49 ms	15180 KB	Output is correct
65	Correct	46 ms	16780 KB	Output is correct
66	Correct	50 ms	16428 KB	Output is correct
67	Correct	40 ms	13188 KB	Output is correct
68	Correct	21 ms	6744 KB	Output is correct
69	Correct	38 ms	12508 KB	Output is correct
70	Correct	47 ms	16688 KB	Output is correct
71	Correct	35 ms	13896 KB	Output is correct
72	Correct	37 ms	13952 KB	Output is correct
73	Correct	38 ms	14540 KB	Output is correct
74	Correct	40 ms	15232 KB	Output is correct
75	Correct	39 ms	15276 KB	Output is correct

Submission #770119

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