Submission #134680

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
134680	2019-07-23T07:22:56 Z	이온조(#3239)	Telegraph (JOI16_telegraph)	C++14	40 / 100	31 ms	2172 KB

telegraph

#include <bits/stdc++.h>
using namespace std;

const long long INF = 1LL * 1e18;
long long P[100009], D[100009];
int N, A[100009], C[100009], s;

void go(int x, int msk) {
	if(msk == (1 << N) - 1 && A[x] == s) {
		puts("0");
		exit(0);
	}
	P[msk] = min(P[msk], 1LL*C[x]);
	if(msk & (1 << (A[x]-1))) return;
	go(A[x], msk | (1 << (A[x]-1)));
}
	
int main() {
	scanf("%d",&N);
	for(int i=1; i<=N; i++) scanf("%d%d",&A[i],&C[i]);
	for(int i=0; i<(1<<N); i++) P[i] = INF;
	for(int i=1; i<=N; i++) {
		s = i;
		go(i, (1 << (i-1)));
	}
	D[0] = 0;
	for(int i=1; i<(1<<N); i++) {
		D[i] = INF;
		for(int j=i; j>0; j=((j-1)&i)) {
			D[i] = min(D[i], P[j] + D[i^j]);
		}
	}
	printf("%lld", D[(1<<N) - 1]);
	return 0;
}

Compilation message

telegraph.cpp: In function 'int main()':
telegraph.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
  ~~~~~^~~~~~~~~
telegraph.cpp:20:31: 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%d",&A[i],&C[i]);
                          ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	404 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	400 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	404 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	380 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	376 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	404 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	400 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	404 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	380 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	376 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct
49	Correct	29 ms	844 KB	Output is correct
50	Correct	30 ms	888 KB	Output is correct
51	Correct	30 ms	888 KB	Output is correct
52	Correct	30 ms	888 KB	Output is correct
53	Correct	30 ms	888 KB	Output is correct
54	Correct	2 ms	632 KB	Output is correct
55	Correct	3 ms	636 KB	Output is correct
56	Correct	2 ms	656 KB	Output is correct
57	Correct	2 ms	632 KB	Output is correct
58	Correct	2 ms	632 KB	Output is correct
59	Correct	11 ms	632 KB	Output is correct
60	Correct	11 ms	632 KB	Output is correct
61	Correct	11 ms	632 KB	Output is correct
62	Correct	11 ms	632 KB	Output is correct
63	Correct	10 ms	600 KB	Output is correct
64	Correct	11 ms	632 KB	Output is correct
65	Correct	11 ms	632 KB	Output is correct
66	Correct	11 ms	640 KB	Output is correct
67	Correct	11 ms	632 KB	Output is correct
68	Correct	11 ms	624 KB	Output is correct
69	Correct	10 ms	632 KB	Output is correct
70	Correct	11 ms	668 KB	Output is correct
71	Correct	11 ms	632 KB	Output is correct
72	Correct	30 ms	888 KB	Output is correct
73	Correct	29 ms	888 KB	Output is correct
74	Correct	30 ms	888 KB	Output is correct
75	Correct	29 ms	880 KB	Output is correct
76	Correct	29 ms	888 KB	Output is correct
77	Correct	30 ms	888 KB	Output is correct
78	Correct	31 ms	888 KB	Output is correct
79	Correct	29 ms	888 KB	Output is correct
80	Correct	29 ms	888 KB	Output is correct
81	Correct	29 ms	888 KB	Output is correct
82	Correct	30 ms	888 KB	Output is correct
83	Correct	30 ms	888 KB	Output is correct
84	Correct	29 ms	888 KB	Output is correct
85	Correct	29 ms	848 KB	Output is correct
86	Correct	30 ms	884 KB	Output is correct
87	Correct	29 ms	888 KB	Output is correct
88	Correct	29 ms	888 KB	Output is correct
89	Correct	2 ms	376 KB	Output is correct
90	Correct	11 ms	632 KB	Output is correct
91	Correct	2 ms	376 KB	Output is correct
92	Correct	2 ms	376 KB	Output is correct
93	Correct	10 ms	632 KB	Output is correct
94	Correct	2 ms	372 KB	Output is correct
95	Correct	2 ms	376 KB	Output is correct
96	Correct	2 ms	376 KB	Output is correct

Subtask #3
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	404 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	400 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	404 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	380 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	376 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct
49	Correct	29 ms	844 KB	Output is correct
50	Correct	30 ms	888 KB	Output is correct
51	Correct	30 ms	888 KB	Output is correct
52	Correct	30 ms	888 KB	Output is correct
53	Correct	30 ms	888 KB	Output is correct
54	Correct	2 ms	632 KB	Output is correct
55	Correct	3 ms	636 KB	Output is correct
56	Correct	2 ms	656 KB	Output is correct
57	Correct	2 ms	632 KB	Output is correct
58	Correct	2 ms	632 KB	Output is correct
59	Correct	11 ms	632 KB	Output is correct
60	Correct	11 ms	632 KB	Output is correct
61	Correct	11 ms	632 KB	Output is correct
62	Correct	11 ms	632 KB	Output is correct
63	Correct	10 ms	600 KB	Output is correct
64	Correct	11 ms	632 KB	Output is correct
65	Correct	11 ms	632 KB	Output is correct
66	Correct	11 ms	640 KB	Output is correct
67	Correct	11 ms	632 KB	Output is correct
68	Correct	11 ms	624 KB	Output is correct
69	Correct	10 ms	632 KB	Output is correct
70	Correct	11 ms	668 KB	Output is correct
71	Correct	11 ms	632 KB	Output is correct
72	Correct	30 ms	888 KB	Output is correct
73	Correct	29 ms	888 KB	Output is correct
74	Correct	30 ms	888 KB	Output is correct
75	Correct	29 ms	880 KB	Output is correct
76	Correct	29 ms	888 KB	Output is correct
77	Correct	30 ms	888 KB	Output is correct
78	Correct	31 ms	888 KB	Output is correct
79	Correct	29 ms	888 KB	Output is correct
80	Correct	29 ms	888 KB	Output is correct
81	Correct	29 ms	888 KB	Output is correct
82	Correct	30 ms	888 KB	Output is correct
83	Correct	30 ms	888 KB	Output is correct
84	Correct	29 ms	888 KB	Output is correct
85	Correct	29 ms	848 KB	Output is correct
86	Correct	30 ms	884 KB	Output is correct
87	Correct	29 ms	888 KB	Output is correct
88	Correct	29 ms	888 KB	Output is correct
89	Correct	2 ms	376 KB	Output is correct
90	Correct	11 ms	632 KB	Output is correct
91	Correct	2 ms	376 KB	Output is correct
92	Correct	2 ms	376 KB	Output is correct
93	Correct	10 ms	632 KB	Output is correct
94	Correct	2 ms	372 KB	Output is correct
95	Correct	2 ms	376 KB	Output is correct
96	Correct	2 ms	376 KB	Output is correct
97	Runtime error	6 ms	2172 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
98	Halted	0 ms	0 KB	-

Subtask #4
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	404 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	400 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	404 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	3 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	380 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	376 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct
49	Correct	29 ms	844 KB	Output is correct
50	Correct	30 ms	888 KB	Output is correct
51	Correct	30 ms	888 KB	Output is correct
52	Correct	30 ms	888 KB	Output is correct
53	Correct	30 ms	888 KB	Output is correct
54	Correct	2 ms	632 KB	Output is correct
55	Correct	3 ms	636 KB	Output is correct
56	Correct	2 ms	656 KB	Output is correct
57	Correct	2 ms	632 KB	Output is correct
58	Correct	2 ms	632 KB	Output is correct
59	Correct	11 ms	632 KB	Output is correct
60	Correct	11 ms	632 KB	Output is correct
61	Correct	11 ms	632 KB	Output is correct
62	Correct	11 ms	632 KB	Output is correct
63	Correct	10 ms	600 KB	Output is correct
64	Correct	11 ms	632 KB	Output is correct
65	Correct	11 ms	632 KB	Output is correct
66	Correct	11 ms	640 KB	Output is correct
67	Correct	11 ms	632 KB	Output is correct
68	Correct	11 ms	624 KB	Output is correct
69	Correct	10 ms	632 KB	Output is correct
70	Correct	11 ms	668 KB	Output is correct
71	Correct	11 ms	632 KB	Output is correct
72	Correct	30 ms	888 KB	Output is correct
73	Correct	29 ms	888 KB	Output is correct
74	Correct	30 ms	888 KB	Output is correct
75	Correct	29 ms	880 KB	Output is correct
76	Correct	29 ms	888 KB	Output is correct
77	Correct	30 ms	888 KB	Output is correct
78	Correct	31 ms	888 KB	Output is correct
79	Correct	29 ms	888 KB	Output is correct
80	Correct	29 ms	888 KB	Output is correct
81	Correct	29 ms	888 KB	Output is correct
82	Correct	30 ms	888 KB	Output is correct
83	Correct	30 ms	888 KB	Output is correct
84	Correct	29 ms	888 KB	Output is correct
85	Correct	29 ms	848 KB	Output is correct
86	Correct	30 ms	884 KB	Output is correct
87	Correct	29 ms	888 KB	Output is correct
88	Correct	29 ms	888 KB	Output is correct
89	Correct	2 ms	376 KB	Output is correct
90	Correct	11 ms	632 KB	Output is correct
91	Correct	2 ms	376 KB	Output is correct
92	Correct	2 ms	376 KB	Output is correct
93	Correct	10 ms	632 KB	Output is correct
94	Correct	2 ms	372 KB	Output is correct
95	Correct	2 ms	376 KB	Output is correct
96	Correct	2 ms	376 KB	Output is correct
97	Runtime error	6 ms	2172 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
98	Halted	0 ms	0 KB	-

Submission #134680

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 30.0 / 30.0

Subtask #3 0 / 30.0

Subtask #4 0 / 30.0

Subtask #1
10.0 / 10.0

Subtask #2
30.0 / 30.0

Subtask #3
0 / 30.0

Subtask #4
0 / 30.0