답안 #131918

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
131918	2019-07-18T04:07:34 Z	임유진(#3191)	Construction of Highway (JOI18_construction)	C++14	16 / 100	153 ms	668 KB

construction

#include <bits/stdc++.h>

using namespace std;

#define MAXN 4005
#define rb(x) ((x) & (-(x)))

int C[MAXN], A[MAXN], B[MAXN];
int L[MAXN], par[MAXN];
int cs[MAXN];
int bit[MAXN];

void updbit(int x) {
	for(; x < MAXN; x += rb(x)) bit[x]++;
}

int gbit(int x) {
	int ans = 0;
	for(; x > 0; x -= rb(x)) ans += bit[x];
	return ans;
}

int main() {
	int N;

	scanf("%d", &N);
	for(int i = 1; i <= N; i++) scanf("%d", C + i);
	for(int i = 0; i < N - 1; i++) scanf("%d%d", A + i, B + i);

	for(int i = 1; i <= N; i++) cs[i - 1] = C[i];
	sort(cs, cs + N);
	for(int i = 1; i <= N; i++) C[i] = lower_bound(cs, cs + N, C[i]) - cs + 1;

	L[1] = C[1];
	for(int i = 0; i < N - 1; i++) {
		for(int j = 1; j < MAXN; j++) bit[j] = 0;
		int ans = 0;
		L[B[i]] = C[B[i]];
		par[B[i]] = A[i];
		for(int t = A[i]; t != 0; t = par[t]) {
			ans += gbit(L[t] - 1);
			updbit(L[t]);
			L[t] = C[B[i]];
		}
		printf("%d\n", ans);
	}

	return 0;
}

Compilation message

construction.cpp: In function 'int main()':
construction.cpp:26:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
construction.cpp:27:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1; i <= N; i++) scanf("%d", C + i);
                              ~~~~~^~~~~~~~~~~~~
construction.cpp:28:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < N - 1; i++) scanf("%d%d", A + i, B + i);
                                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	3 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	6 ms	376 KB	Output is correct
10	Correct	6 ms	376 KB	Output is correct
11	Correct	4 ms	376 KB	Output is correct
12	Correct	4 ms	376 KB	Output is correct
13	Correct	4 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	400 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	3 ms	372 KB	Output is correct
19	Correct	4 ms	376 KB	Output is correct
20	Correct	4 ms	376 KB	Output is correct
21	Correct	4 ms	404 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	3 ms	400 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	6 ms	376 KB	Output is correct
27	Correct	5 ms	548 KB	Output is correct
28	Correct	4 ms	376 KB	Output is correct
29	Correct	4 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	3 ms	376 KB	Output is correct
32	Correct	4 ms	376 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	376 KB	Output is correct
35	Correct	4 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct
37	Correct	4 ms	376 KB	Output is correct
38	Correct	4 ms	376 KB	Output is correct
39	Correct	4 ms	376 KB	Output is correct
40	Correct	4 ms	376 KB	Output is correct
41	Correct	4 ms	376 KB	Output is correct
42	Correct	4 ms	504 KB	Output is correct
43	Correct	4 ms	376 KB	Output is correct
44	Correct	3 ms	376 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	3 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	6 ms	376 KB	Output is correct
10	Correct	6 ms	376 KB	Output is correct
11	Correct	4 ms	376 KB	Output is correct
12	Correct	4 ms	376 KB	Output is correct
13	Correct	4 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	400 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	3 ms	372 KB	Output is correct
19	Correct	4 ms	376 KB	Output is correct
20	Correct	4 ms	376 KB	Output is correct
21	Correct	4 ms	404 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	3 ms	400 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	6 ms	376 KB	Output is correct
27	Correct	5 ms	548 KB	Output is correct
28	Correct	4 ms	376 KB	Output is correct
29	Correct	4 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	3 ms	376 KB	Output is correct
32	Correct	4 ms	376 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	376 KB	Output is correct
35	Correct	4 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct
37	Correct	4 ms	376 KB	Output is correct
38	Correct	4 ms	376 KB	Output is correct
39	Correct	4 ms	376 KB	Output is correct
40	Correct	4 ms	376 KB	Output is correct
41	Correct	4 ms	376 KB	Output is correct
42	Correct	4 ms	504 KB	Output is correct
43	Correct	4 ms	376 KB	Output is correct
44	Correct	3 ms	376 KB	Output is correct
45	Correct	5 ms	376 KB	Output is correct
46	Correct	13 ms	504 KB	Output is correct
47	Correct	13 ms	504 KB	Output is correct
48	Correct	13 ms	504 KB	Output is correct
49	Correct	152 ms	632 KB	Output is correct
50	Correct	153 ms	604 KB	Output is correct
51	Correct	151 ms	552 KB	Output is correct
52	Correct	86 ms	504 KB	Output is correct
53	Correct	84 ms	552 KB	Output is correct
54	Correct	83 ms	532 KB	Output is correct
55	Correct	84 ms	504 KB	Output is correct
56	Correct	83 ms	504 KB	Output is correct
57	Correct	13 ms	504 KB	Output is correct
58	Correct	13 ms	504 KB	Output is correct
59	Correct	13 ms	504 KB	Output is correct
60	Correct	13 ms	504 KB	Output is correct
61	Correct	83 ms	504 KB	Output is correct
62	Correct	83 ms	504 KB	Output is correct
63	Correct	84 ms	604 KB	Output is correct
64	Correct	15 ms	504 KB	Output is correct
65	Correct	13 ms	504 KB	Output is correct
66	Correct	12 ms	504 KB	Output is correct
67	Correct	13 ms	632 KB	Output is correct
68	Correct	153 ms	504 KB	Output is correct
69	Correct	83 ms	504 KB	Output is correct
70	Correct	84 ms	504 KB	Output is correct
71	Correct	83 ms	536 KB	Output is correct
72	Correct	14 ms	504 KB	Output is correct
73	Correct	13 ms	504 KB	Output is correct
74	Correct	86 ms	508 KB	Output is correct
75	Correct	52 ms	668 KB	Output is correct
76	Correct	37 ms	504 KB	Output is correct
77	Correct	31 ms	504 KB	Output is correct
78	Correct	48 ms	504 KB	Output is correct
79	Correct	37 ms	504 KB	Output is correct
80	Correct	31 ms	504 KB	Output is correct
81	Correct	49 ms	504 KB	Output is correct
82	Correct	37 ms	508 KB	Output is correct
83	Correct	33 ms	532 KB	Output is correct
84	Correct	48 ms	504 KB	Output is correct
85	Correct	38 ms	516 KB	Output is correct
86	Correct	31 ms	504 KB	Output is correct

Subtask #3
0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	3 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	6 ms	376 KB	Output is correct
10	Correct	6 ms	376 KB	Output is correct
11	Correct	4 ms	376 KB	Output is correct
12	Correct	4 ms	376 KB	Output is correct
13	Correct	4 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	400 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	3 ms	372 KB	Output is correct
19	Correct	4 ms	376 KB	Output is correct
20	Correct	4 ms	376 KB	Output is correct
21	Correct	4 ms	404 KB	Output is correct
22	Correct	3 ms	376 KB	Output is correct
23	Correct	3 ms	376 KB	Output is correct
24	Correct	3 ms	400 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	6 ms	376 KB	Output is correct
27	Correct	5 ms	548 KB	Output is correct
28	Correct	4 ms	376 KB	Output is correct
29	Correct	4 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	3 ms	376 KB	Output is correct
32	Correct	4 ms	376 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	4 ms	376 KB	Output is correct
35	Correct	4 ms	376 KB	Output is correct
36	Correct	4 ms	376 KB	Output is correct
37	Correct	4 ms	376 KB	Output is correct
38	Correct	4 ms	376 KB	Output is correct
39	Correct	4 ms	376 KB	Output is correct
40	Correct	4 ms	376 KB	Output is correct
41	Correct	4 ms	376 KB	Output is correct
42	Correct	4 ms	504 KB	Output is correct
43	Correct	4 ms	376 KB	Output is correct
44	Correct	3 ms	376 KB	Output is correct
45	Correct	5 ms	376 KB	Output is correct
46	Correct	13 ms	504 KB	Output is correct
47	Correct	13 ms	504 KB	Output is correct
48	Correct	13 ms	504 KB	Output is correct
49	Correct	152 ms	632 KB	Output is correct
50	Correct	153 ms	604 KB	Output is correct
51	Correct	151 ms	552 KB	Output is correct
52	Correct	86 ms	504 KB	Output is correct
53	Correct	84 ms	552 KB	Output is correct
54	Correct	83 ms	532 KB	Output is correct
55	Correct	84 ms	504 KB	Output is correct
56	Correct	83 ms	504 KB	Output is correct
57	Correct	13 ms	504 KB	Output is correct
58	Correct	13 ms	504 KB	Output is correct
59	Correct	13 ms	504 KB	Output is correct
60	Correct	13 ms	504 KB	Output is correct
61	Correct	83 ms	504 KB	Output is correct
62	Correct	83 ms	504 KB	Output is correct
63	Correct	84 ms	604 KB	Output is correct
64	Correct	15 ms	504 KB	Output is correct
65	Correct	13 ms	504 KB	Output is correct
66	Correct	12 ms	504 KB	Output is correct
67	Correct	13 ms	632 KB	Output is correct
68	Correct	153 ms	504 KB	Output is correct
69	Correct	83 ms	504 KB	Output is correct
70	Correct	84 ms	504 KB	Output is correct
71	Correct	83 ms	536 KB	Output is correct
72	Correct	14 ms	504 KB	Output is correct
73	Correct	13 ms	504 KB	Output is correct
74	Correct	86 ms	508 KB	Output is correct
75	Correct	52 ms	668 KB	Output is correct
76	Correct	37 ms	504 KB	Output is correct
77	Correct	31 ms	504 KB	Output is correct
78	Correct	48 ms	504 KB	Output is correct
79	Correct	37 ms	504 KB	Output is correct
80	Correct	31 ms	504 KB	Output is correct
81	Correct	49 ms	504 KB	Output is correct
82	Correct	37 ms	508 KB	Output is correct
83	Correct	33 ms	532 KB	Output is correct
84	Correct	48 ms	504 KB	Output is correct
85	Correct	38 ms	516 KB	Output is correct
86	Correct	31 ms	504 KB	Output is correct
87	Execution timed out	4 ms	504 KB	Time limit exceeded (wall clock)
88	Halted	0 ms	0 KB	-

답안 #131918

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 9.0 / 9.0

Subtask #3 0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
9.0 / 9.0

Subtask #3
0 / 84.0