Submission #933109

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
933109	2024-02-25T04:39:41 Z	Jasonwei08	Airplane (NOI23_airplane)	C++14	100 / 100	326 ms	45708 KB

Main

#include <bits/stdc++.h>
#define int long long
#define re(a, b, c, d) for (auto a = b; a <= c; a += d)
#define de(a, b, c, d) for (auto a = b; a >= c; a -= d)
#define ms (a); memset (a, 0, sizeof a);
#define imax INT_MAX
#define imin INT_MIN
#define wh(a) while (a --)
#define PII pair <int, int>
#define F first
#define S second
#define pb push_back
#define eb emplace_back
template <typename T> bool chkmin (T& a, T b) {
	return (b < a) ? a = b, 1 : 0;
}
template <typename T> bool chkmax (T& a, T b) {
	return (b > a) ? a = b, 1 : 0;
}
using namespace std;
const int N = 5e5 + 5;
int T, n, m, a[N], d[3][N], ans = 1e18;
vector <int> g[N];
void dij (int t, int s) {
	re (i, 1, n, 1) d[t][i] = 1e18;
	d[t][s] = 0;
	priority_queue <PII, vector <PII>, greater<PII> >pq;
	pq.push ({d[t][s], s});
	while (! pq.empty ()) {
		int x = pq.top ().S;
		pq.pop();
		for (int v : g[x]) if (d[t][v] > max (d[t][x] + 1, a[v])) {
				d[t][v] = max (d[t][x] + 1, a[v]);
				pq.push ({d[t][v], v});
			}
	}
}
signed main () {
	cout << fixed << setprecision (0);
	ios :: sync_with_stdio (0), cin.tie (0), cout.tie (0);
	cin >> n >> m;
	int x, y;
	re (i, 1, n, 1) cin >> a[i];
	re (i, 1, m, 1) cin >> x >> y, g[x].pb (y), g[y].pb (x);
	dij (0, 1);
	dij (1, n);
	re (i, 1, n, 1) if (abs (d[0][i] - d[1][i]) <= 1) chkmin (ans, d[0][i] + d[1][i]);
	cout << ans;
	return 0;
}

Subtask #1
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	16988 KB	Output is correct
2	Correct	60 ms	32596 KB	Output is correct
3	Correct	60 ms	32944 KB	Output is correct
4	Correct	61 ms	33012 KB	Output is correct
5	Correct	62 ms	33620 KB	Output is correct
6	Correct	63 ms	33676 KB	Output is correct
7	Correct	62 ms	33616 KB	Output is correct
8	Correct	4 ms	16984 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	16988 KB	Output is correct
2	Correct	4 ms	16988 KB	Output is correct
3	Correct	4 ms	16988 KB	Output is correct
4	Correct	4 ms	16988 KB	Output is correct
5	Correct	4 ms	17064 KB	Output is correct
6	Correct	4 ms	16988 KB	Output is correct
7	Correct	4 ms	16988 KB	Output is correct
8	Correct	5 ms	16984 KB	Output is correct
9	Correct	4 ms	16988 KB	Output is correct
10	Correct	6 ms	16988 KB	Output is correct
11	Correct	5 ms	16984 KB	Output is correct
12	Correct	4 ms	16988 KB	Output is correct
13	Correct	4 ms	16988 KB	Output is correct
14	Correct	5 ms	16984 KB	Output is correct
15	Correct	6 ms	17240 KB	Output is correct
16	Correct	7 ms	17264 KB	Output is correct
17	Correct	6 ms	17244 KB	Output is correct
18	Correct	4 ms	17048 KB	Output is correct

Subtask #3
31.0 / 31.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	16988 KB	Output is correct
2	Correct	4 ms	16988 KB	Output is correct
3	Correct	4 ms	16988 KB	Output is correct
4	Correct	4 ms	16988 KB	Output is correct
5	Correct	4 ms	17064 KB	Output is correct
6	Correct	4 ms	16988 KB	Output is correct
7	Correct	4 ms	16988 KB	Output is correct
8	Correct	5 ms	16984 KB	Output is correct
9	Correct	4 ms	16988 KB	Output is correct
10	Correct	6 ms	16988 KB	Output is correct
11	Correct	5 ms	16984 KB	Output is correct
12	Correct	4 ms	16988 KB	Output is correct
13	Correct	4 ms	16988 KB	Output is correct
14	Correct	5 ms	16984 KB	Output is correct
15	Correct	6 ms	17240 KB	Output is correct
16	Correct	7 ms	17264 KB	Output is correct
17	Correct	6 ms	17244 KB	Output is correct
18	Correct	4 ms	17048 KB	Output is correct
19	Correct	4 ms	16984 KB	Output is correct
20	Correct	4 ms	16984 KB	Output is correct
21	Correct	4 ms	17240 KB	Output is correct
22	Correct	5 ms	16988 KB	Output is correct
23	Correct	4 ms	17084 KB	Output is correct
24	Correct	4 ms	16984 KB	Output is correct
25	Correct	4 ms	16988 KB	Output is correct
26	Correct	4 ms	16988 KB	Output is correct
27	Correct	5 ms	17244 KB	Output is correct
28	Correct	5 ms	17244 KB	Output is correct
29	Correct	5 ms	17244 KB	Output is correct
30	Correct	5 ms	17244 KB	Output is correct

Subtask #4
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	16988 KB	Output is correct
2	Correct	60 ms	32596 KB	Output is correct
3	Correct	60 ms	32944 KB	Output is correct
4	Correct	61 ms	33012 KB	Output is correct
5	Correct	62 ms	33620 KB	Output is correct
6	Correct	63 ms	33676 KB	Output is correct
7	Correct	62 ms	33616 KB	Output is correct
8	Correct	4 ms	16984 KB	Output is correct
9	Correct	3 ms	16988 KB	Output is correct
10	Correct	4 ms	16988 KB	Output is correct
11	Correct	4 ms	16988 KB	Output is correct
12	Correct	4 ms	16988 KB	Output is correct
13	Correct	4 ms	17064 KB	Output is correct
14	Correct	4 ms	16988 KB	Output is correct
15	Correct	4 ms	16988 KB	Output is correct
16	Correct	5 ms	16984 KB	Output is correct
17	Correct	4 ms	16988 KB	Output is correct
18	Correct	6 ms	16988 KB	Output is correct
19	Correct	5 ms	16984 KB	Output is correct
20	Correct	4 ms	16988 KB	Output is correct
21	Correct	4 ms	16988 KB	Output is correct
22	Correct	5 ms	16984 KB	Output is correct
23	Correct	6 ms	17240 KB	Output is correct
24	Correct	7 ms	17264 KB	Output is correct
25	Correct	6 ms	17244 KB	Output is correct
26	Correct	4 ms	17048 KB	Output is correct
27	Correct	4 ms	16984 KB	Output is correct
28	Correct	4 ms	16984 KB	Output is correct
29	Correct	4 ms	17240 KB	Output is correct
30	Correct	5 ms	16988 KB	Output is correct
31	Correct	4 ms	17084 KB	Output is correct
32	Correct	4 ms	16984 KB	Output is correct
33	Correct	4 ms	16988 KB	Output is correct
34	Correct	4 ms	16988 KB	Output is correct
35	Correct	5 ms	17244 KB	Output is correct
36	Correct	5 ms	17244 KB	Output is correct
37	Correct	5 ms	17244 KB	Output is correct
38	Correct	5 ms	17244 KB	Output is correct
39	Correct	166 ms	34644 KB	Output is correct
40	Correct	92 ms	33876 KB	Output is correct
41	Correct	97 ms	33872 KB	Output is correct
42	Correct	94 ms	33952 KB	Output is correct
43	Correct	98 ms	33876 KB	Output is correct
44	Correct	107 ms	33876 KB	Output is correct
45	Correct	123 ms	33736 KB	Output is correct
46	Correct	99 ms	33872 KB	Output is correct
47	Correct	101 ms	33948 KB	Output is correct
48	Correct	98 ms	33876 KB	Output is correct
49	Correct	139 ms	35080 KB	Output is correct
50	Correct	140 ms	34500 KB	Output is correct
51	Correct	125 ms	34384 KB	Output is correct
52	Correct	283 ms	40652 KB	Output is correct
53	Correct	191 ms	39804 KB	Output is correct
54	Correct	185 ms	39268 KB	Output is correct
55	Correct	245 ms	39476 KB	Output is correct
56	Correct	284 ms	44692 KB	Output is correct
57	Correct	246 ms	44748 KB	Output is correct
58	Correct	273 ms	45600 KB	Output is correct
59	Correct	266 ms	45708 KB	Output is correct
60	Correct	231 ms	45516 KB	Output is correct
61	Correct	326 ms	45280 KB	Output is correct
62	Correct	217 ms	44508 KB	Output is correct
63	Correct	221 ms	44392 KB	Output is correct
64	Correct	229 ms	44444 KB	Output is correct
65	Correct	255 ms	44492 KB	Output is correct
66	Correct	256 ms	44704 KB	Output is correct
67	Correct	297 ms	44808 KB	Output is correct

Submission #933109

Compilation message

Subtask #1 22.0 / 22.0

Subtask #2 10.0 / 10.0

Subtask #3 31.0 / 31.0

Subtask #4 37.0 / 37.0

Subtask #1
22.0 / 22.0

Subtask #2
10.0 / 10.0

Subtask #3
31.0 / 31.0

Subtask #4
37.0 / 37.0