답안 #429533

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
429533	2021-06-16T05:40:28 Z	송준혁(#7525)	Brackets (CPSPC17_brackets)	C++17	74 / 100	291 ms	174372 KB

Main

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define MOD 1000000007
#define INF (1ll<<62)
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;

int N, M, S, T;
int D[220][220];
vector<pii> V[8], Q[4010101], adj[220][220];

int main(){
	char c;
	scanf("%d %d %d %d", &N, &M, &S, &T);
	for (int i=1; i<=M; i++){
		int u, v;
		scanf("%d %d %c", &u, &v, &c);
		if (c == '(') V[0].pb(pii(v, u));
		if (c == '{') V[1].pb(pii(v, u));
		if (c == '[') V[2].pb(pii(v, u));
		if (c == '<') V[3].pb(pii(v, u));
		if (c == ')') V[4].pb(pii(u, v));
		if (c == '}') V[5].pb(pii(u, v));
		if (c == ']') V[6].pb(pii(u, v));
		if (c == '>') V[7].pb(pii(u, v));
	}
	for (int i=1; i<=N; i++) for (int j=1; j<=N; j++) D[i][j] = MOD;
	for (int i=1; i<=N; i++) Q[0].pb(pii(i,i));
	for (int i=0; i<4; i++) for (pii a : V[i]) for (pii b : V[i+4]) adj[a.fi][b.fi].pb(pii(a.se, b.se));
	for (int d=0; d<=4000000; d++){
		for (pii u : Q[d]){
			if (u.fi == S && u.se == T){
				printf("%d\n", 2*d);
				return 0;
			}
			if (D[u.fi][u.se] != MOD) continue;
			D[u.fi][u.se] = d;
			for (pii v : adj[u.fi][u.se]) Q[d+1].pb(v);
			for (int i=1; i<=N; i++){
				if (D[i][u.fi] + d <= 4000000 && i != u.fi) Q[D[i][u.fi] + d].pb(pii(i, u.se));
				if (D[u.se][i] + d <= 4000000 && i != u.se) Q[D[u.se][i] + d].pb(pii(u.fi, i));
			}
		}
	}
	puts("-1");
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |  scanf("%d %d %d %d", &N, &M, &S, &T);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |   scanf("%d %d %c", &u, &v, &c);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	95716 KB	Output is correct
2	Correct	66 ms	95596 KB	Output is correct
3	Correct	68 ms	95556 KB	Output is correct
4	Correct	67 ms	95556 KB	Output is correct
5	Correct	77 ms	95600 KB	Output is correct
6	Correct	79 ms	95592 KB	Output is correct
7	Correct	66 ms	95544 KB	Output is correct
8	Correct	72 ms	95556 KB	Output is correct
9	Correct	69 ms	95556 KB	Output is correct
10	Correct	67 ms	95552 KB	Output is correct
11	Correct	68 ms	95552 KB	Output is correct
12	Correct	77 ms	95540 KB	Output is correct

Subtask #2

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	95716 KB	Output is correct
2	Correct	66 ms	95596 KB	Output is correct
3	Correct	68 ms	95556 KB	Output is correct
4	Correct	67 ms	95556 KB	Output is correct
5	Correct	77 ms	95600 KB	Output is correct
6	Correct	79 ms	95592 KB	Output is correct
7	Correct	66 ms	95544 KB	Output is correct
8	Correct	72 ms	95556 KB	Output is correct
9	Correct	69 ms	95556 KB	Output is correct
10	Correct	67 ms	95552 KB	Output is correct
11	Correct	68 ms	95552 KB	Output is correct
12	Correct	77 ms	95540 KB	Output is correct
13	Correct	76 ms	95516 KB	Output is correct
14	Correct	73 ms	95508 KB	Output is correct
15	Correct	67 ms	95556 KB	Output is correct
16	Correct	67 ms	95640 KB	Output is correct
17	Correct	76 ms	95652 KB	Output is correct
18	Correct	65 ms	95552 KB	Output is correct
19	Correct	66 ms	95512 KB	Output is correct
20	Correct	67 ms	95536 KB	Output is correct
21	Correct	66 ms	95620 KB	Output is correct
22	Correct	69 ms	95788 KB	Output is correct
23	Correct	69 ms	95508 KB	Output is correct
24	Correct	65 ms	95600 KB	Output is correct

Subtask #3

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	95716 KB	Output is correct
2	Correct	66 ms	95596 KB	Output is correct
3	Correct	68 ms	95556 KB	Output is correct
4	Correct	67 ms	95556 KB	Output is correct
5	Correct	77 ms	95600 KB	Output is correct
6	Correct	79 ms	95592 KB	Output is correct
7	Correct	66 ms	95544 KB	Output is correct
8	Correct	72 ms	95556 KB	Output is correct
9	Correct	69 ms	95556 KB	Output is correct
10	Correct	67 ms	95552 KB	Output is correct
11	Correct	68 ms	95552 KB	Output is correct
12	Correct	77 ms	95540 KB	Output is correct
13	Correct	76 ms	95516 KB	Output is correct
14	Correct	73 ms	95508 KB	Output is correct
15	Correct	67 ms	95556 KB	Output is correct
16	Correct	67 ms	95640 KB	Output is correct
17	Correct	76 ms	95652 KB	Output is correct
18	Correct	65 ms	95552 KB	Output is correct
19	Correct	66 ms	95512 KB	Output is correct
20	Correct	67 ms	95536 KB	Output is correct
21	Correct	66 ms	95620 KB	Output is correct
22	Correct	69 ms	95788 KB	Output is correct
23	Correct	69 ms	95508 KB	Output is correct
24	Correct	65 ms	95600 KB	Output is correct
25	Correct	83 ms	95740 KB	Output is correct
26	Correct	81 ms	96684 KB	Output is correct
27	Correct	70 ms	96376 KB	Output is correct
28	Correct	66 ms	95596 KB	Output is correct
29	Correct	83 ms	97588 KB	Output is correct
30	Correct	88 ms	102512 KB	Output is correct
31	Correct	72 ms	95584 KB	Output is correct
32	Correct	64 ms	95564 KB	Output is correct
33	Correct	68 ms	96580 KB	Output is correct
34	Correct	75 ms	95528 KB	Output is correct
35	Correct	83 ms	100920 KB	Output is correct
36	Correct	71 ms	97396 KB	Output is correct

Subtask #4

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	95716 KB	Output is correct
2	Correct	66 ms	95596 KB	Output is correct
3	Correct	68 ms	95556 KB	Output is correct
4	Correct	67 ms	95556 KB	Output is correct
5	Correct	77 ms	95600 KB	Output is correct
6	Correct	79 ms	95592 KB	Output is correct
7	Correct	66 ms	95544 KB	Output is correct
8	Correct	72 ms	95556 KB	Output is correct
9	Correct	69 ms	95556 KB	Output is correct
10	Correct	67 ms	95552 KB	Output is correct
11	Correct	68 ms	95552 KB	Output is correct
12	Correct	77 ms	95540 KB	Output is correct
13	Correct	76 ms	95516 KB	Output is correct
14	Correct	73 ms	95508 KB	Output is correct
15	Correct	67 ms	95556 KB	Output is correct
16	Correct	67 ms	95640 KB	Output is correct
17	Correct	76 ms	95652 KB	Output is correct
18	Correct	65 ms	95552 KB	Output is correct
19	Correct	66 ms	95512 KB	Output is correct
20	Correct	67 ms	95536 KB	Output is correct
21	Correct	66 ms	95620 KB	Output is correct
22	Correct	69 ms	95788 KB	Output is correct
23	Correct	69 ms	95508 KB	Output is correct
24	Correct	65 ms	95600 KB	Output is correct
25	Correct	83 ms	95740 KB	Output is correct
26	Correct	81 ms	96684 KB	Output is correct
27	Correct	70 ms	96376 KB	Output is correct
28	Correct	66 ms	95596 KB	Output is correct
29	Correct	83 ms	97588 KB	Output is correct
30	Correct	88 ms	102512 KB	Output is correct
31	Correct	72 ms	95584 KB	Output is correct
32	Correct	64 ms	95564 KB	Output is correct
33	Correct	68 ms	96580 KB	Output is correct
34	Correct	75 ms	95528 KB	Output is correct
35	Correct	83 ms	100920 KB	Output is correct
36	Correct	71 ms	97396 KB	Output is correct
37	Correct	71 ms	95796 KB	Output is correct
38	Correct	101 ms	106684 KB	Output is correct
39	Correct	65 ms	95684 KB	Output is correct
40	Correct	78 ms	95632 KB	Output is correct
41	Correct	102 ms	106848 KB	Output is correct
42	Correct	68 ms	95688 KB	Output is correct
43	Correct	67 ms	95688 KB	Output is correct
44	Correct	66 ms	95684 KB	Output is correct
45	Correct	82 ms	101560 KB	Output is correct
46	Correct	106 ms	111888 KB	Output is correct
47	Correct	73 ms	95980 KB	Output is correct
48	Correct	112 ms	109600 KB	Output is correct
49	Correct	79 ms	95656 KB	Output is correct

Subtask #5

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	118 ms	110020 KB	Output is correct
2	Correct	115 ms	110716 KB	Output is correct
3	Correct	109 ms	109988 KB	Output is correct
4	Correct	117 ms	109716 KB	Output is correct
5	Correct	131 ms	109664 KB	Output is correct
6	Correct	127 ms	109480 KB	Output is correct
7	Correct	107 ms	109728 KB	Output is correct
8	Correct	116 ms	110060 KB	Output is correct
9	Correct	115 ms	109688 KB	Output is correct
10	Correct	120 ms	109156 KB	Output is correct
11	Correct	111 ms	109112 KB	Output is correct
12	Correct	106 ms	109100 KB	Output is correct
13	Correct	114 ms	108944 KB	Output is correct
14	Correct	87 ms	99008 KB	Output is correct
15	Correct	92 ms	99012 KB	Output is correct
16	Correct	77 ms	95804 KB	Output is correct

Subtask #6

0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	69 ms	95716 KB	Output is correct
2	Correct	66 ms	95596 KB	Output is correct
3	Correct	68 ms	95556 KB	Output is correct
4	Correct	67 ms	95556 KB	Output is correct
5	Correct	77 ms	95600 KB	Output is correct
6	Correct	79 ms	95592 KB	Output is correct
7	Correct	66 ms	95544 KB	Output is correct
8	Correct	72 ms	95556 KB	Output is correct
9	Correct	69 ms	95556 KB	Output is correct
10	Correct	67 ms	95552 KB	Output is correct
11	Correct	68 ms	95552 KB	Output is correct
12	Correct	77 ms	95540 KB	Output is correct
13	Correct	76 ms	95516 KB	Output is correct
14	Correct	73 ms	95508 KB	Output is correct
15	Correct	67 ms	95556 KB	Output is correct
16	Correct	67 ms	95640 KB	Output is correct
17	Correct	76 ms	95652 KB	Output is correct
18	Correct	65 ms	95552 KB	Output is correct
19	Correct	66 ms	95512 KB	Output is correct
20	Correct	67 ms	95536 KB	Output is correct
21	Correct	66 ms	95620 KB	Output is correct
22	Correct	69 ms	95788 KB	Output is correct
23	Correct	69 ms	95508 KB	Output is correct
24	Correct	65 ms	95600 KB	Output is correct
25	Correct	83 ms	95740 KB	Output is correct
26	Correct	81 ms	96684 KB	Output is correct
27	Correct	70 ms	96376 KB	Output is correct
28	Correct	66 ms	95596 KB	Output is correct
29	Correct	83 ms	97588 KB	Output is correct
30	Correct	88 ms	102512 KB	Output is correct
31	Correct	72 ms	95584 KB	Output is correct
32	Correct	64 ms	95564 KB	Output is correct
33	Correct	68 ms	96580 KB	Output is correct
34	Correct	75 ms	95528 KB	Output is correct
35	Correct	83 ms	100920 KB	Output is correct
36	Correct	71 ms	97396 KB	Output is correct
37	Correct	71 ms	95796 KB	Output is correct
38	Correct	101 ms	106684 KB	Output is correct
39	Correct	65 ms	95684 KB	Output is correct
40	Correct	78 ms	95632 KB	Output is correct
41	Correct	102 ms	106848 KB	Output is correct
42	Correct	68 ms	95688 KB	Output is correct
43	Correct	67 ms	95688 KB	Output is correct
44	Correct	66 ms	95684 KB	Output is correct
45	Correct	82 ms	101560 KB	Output is correct
46	Correct	106 ms	111888 KB	Output is correct
47	Correct	73 ms	95980 KB	Output is correct
48	Correct	112 ms	109600 KB	Output is correct
49	Correct	79 ms	95656 KB	Output is correct
50	Correct	118 ms	110020 KB	Output is correct
51	Correct	115 ms	110716 KB	Output is correct
52	Correct	109 ms	109988 KB	Output is correct
53	Correct	117 ms	109716 KB	Output is correct
54	Correct	131 ms	109664 KB	Output is correct
55	Correct	127 ms	109480 KB	Output is correct
56	Correct	107 ms	109728 KB	Output is correct
57	Correct	116 ms	110060 KB	Output is correct
58	Correct	115 ms	109688 KB	Output is correct
59	Correct	120 ms	109156 KB	Output is correct
60	Correct	111 ms	109112 KB	Output is correct
61	Correct	106 ms	109100 KB	Output is correct
62	Correct	114 ms	108944 KB	Output is correct
63	Correct	87 ms	99008 KB	Output is correct
64	Correct	92 ms	99012 KB	Output is correct
65	Correct	77 ms	95804 KB	Output is correct
66	Correct	80 ms	95784 KB	Output is correct
67	Correct	263 ms	167024 KB	Output is correct
68	Correct	278 ms	165484 KB	Output is correct
69	Correct	277 ms	165304 KB	Output is correct
70	Correct	69 ms	95924 KB	Output is correct
71	Correct	69 ms	96048 KB	Output is correct
72	Correct	221 ms	170728 KB	Output is correct
73	Correct	291 ms	174372 KB	Output is correct
74	Correct	74 ms	96276 KB	Output is correct
75	Correct	265 ms	165776 KB	Output is correct
76	Correct	70 ms	96072 KB	Output is correct
77	Correct	68 ms	95756 KB	Output is correct
78	Incorrect	77 ms	95748 KB	Output isn't correct
79	Halted	0 ms	0 KB	-