Submission #531148

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
531148	2022-02-27T20:23:40 Z	Hanksburger	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	57 / 100	1000 ms	242736 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;
int deq[21000005], edge[21000005], nxt[21000005], lnk[10500005], dist[10500005], a[30005][175], n, m, s, t, sz, cnt, l=10500000, r=10500000;
void add(int u, int v, int w)
{
	cnt++;
	edge[cnt]=v*2+w;
	nxt[cnt]=lnk[u];
	lnk[u]=cnt;
}
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> m;
	sz=n;
	for (int i=0; i<m; i++)
	{
		int b, p;
		cin >> b >> p;
		if (i==0)
			s=b;
		else if (i==1)
			t=b;
		if (p*p<=m)
		{
			if (!a[b][p])
			{
				a[b%p][p]=sz;
				sz++;
				add(a[b%p][p], b%p, 0);
				for (int j=b%p+p; j<n; j+=p)
				{
					a[j][p]=sz;
					sz++;
					add(a[j][p], j, 0);
					add(a[j][p], a[j-p][p], 1);
					add(a[j-p][p], a[j][p], 1);
				}
			}
			add(b, a[b][p], 0);
		}
		else
		{
			int prev=b;
			for (int j=b-p; j>=0; j-=p)
			{
				add(prev, sz, 1);
				add(sz, j, 0);
				prev=sz;
				sz++;
			}
			prev=b;
			for (int j=b+p; j<n; j+=p)
			{
				add(prev, sz, 1);
				add(sz, j, 0);
				prev=sz;
				sz++;
			}
		}
	}
	for (int i=0; i<sz; i++)
		dist[i]=1e9;
	dist[s]=0;
	deq[10500000]=s;
	while (l<=r)
	{
		int u=deq[l], cur;
		l++;
		cur=lnk[u];
		while (cur)
		{
			int v=edge[cur]>>1, w=edge[cur]&1;
			if (dist[v]==1e9)
			{
				dist[v]=dist[u]+w;
				if (w)
				{
					r++;
					deq[r]=v;
				}
				else
				{
					l--;
					deq[l]=v;
				}
			}
			cur=nxt[cur];
		}
	}
	if (dist[t]==1e9)
		cout << -1;
	else
		cout << dist[t];
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	324 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	320 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	1 ms	320 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	460 KB	Output is correct
11	Correct	1 ms	460 KB	Output is correct
12	Correct	1 ms	460 KB	Output is correct
13	Correct	1 ms	460 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	0 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	1 ms	460 KB	Output is correct
11	Correct	1 ms	460 KB	Output is correct
12	Correct	1 ms	456 KB	Output is correct
13	Correct	1 ms	460 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	572 KB	Output is correct
17	Correct	2 ms	1228 KB	Output is correct
18	Correct	1 ms	1740 KB	Output is correct
19	Correct	1 ms	1868 KB	Output is correct
20	Correct	1 ms	1740 KB	Output is correct
21	Correct	1 ms	588 KB	Output is correct
22	Correct	1 ms	1740 KB	Output is correct
23	Correct	1 ms	1604 KB	Output is correct
24	Correct	2 ms	1996 KB	Output is correct
25	Correct	2 ms	1868 KB	Output is correct
26	Correct	1 ms	1996 KB	Output is correct
27	Correct	2 ms	1868 KB	Output is correct
28	Correct	2 ms	2376 KB	Output is correct
29	Correct	4 ms	3660 KB	Output is correct
30	Correct	2 ms	2124 KB	Output is correct
31	Correct	3 ms	2636 KB	Output is correct
32	Correct	3 ms	2380 KB	Output is correct
33	Correct	9 ms	5620 KB	Output is correct
34	Correct	8 ms	5524 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	0 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	328 KB	Output is correct
10	Correct	1 ms	460 KB	Output is correct
11	Correct	1 ms	460 KB	Output is correct
12	Correct	1 ms	460 KB	Output is correct
13	Correct	1 ms	460 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	588 KB	Output is correct
17	Correct	2 ms	1228 KB	Output is correct
18	Correct	1 ms	1612 KB	Output is correct
19	Correct	1 ms	1868 KB	Output is correct
20	Correct	1 ms	1736 KB	Output is correct
21	Correct	1 ms	588 KB	Output is correct
22	Correct	1 ms	1612 KB	Output is correct
23	Correct	1 ms	1612 KB	Output is correct
24	Correct	2 ms	1996 KB	Output is correct
25	Correct	1 ms	1868 KB	Output is correct
26	Correct	1 ms	1996 KB	Output is correct
27	Correct	1 ms	1868 KB	Output is correct
28	Correct	2 ms	2380 KB	Output is correct
29	Correct	4 ms	3660 KB	Output is correct
30	Correct	2 ms	2112 KB	Output is correct
31	Correct	3 ms	2636 KB	Output is correct
32	Correct	2 ms	2380 KB	Output is correct
33	Correct	8 ms	5592 KB	Output is correct
34	Correct	8 ms	5580 KB	Output is correct
35	Correct	11 ms	4036 KB	Output is correct
36	Correct	2 ms	1484 KB	Output is correct
37	Correct	15 ms	6800 KB	Output is correct
38	Correct	14 ms	6212 KB	Output is correct
39	Correct	17 ms	6348 KB	Output is correct
40	Correct	15 ms	6228 KB	Output is correct
41	Correct	15 ms	6212 KB	Output is correct
42	Correct	6 ms	2380 KB	Output is correct
43	Correct	5 ms	2356 KB	Output is correct
44	Correct	5 ms	2252 KB	Output is correct
45	Correct	65 ms	17132 KB	Output is correct
46	Correct	72 ms	17092 KB	Output is correct

Subtask #5
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	0 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	1 ms	460 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	1 ms	460 KB	Output is correct
13	Correct	1 ms	452 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	580 KB	Output is correct
17	Correct	1 ms	1228 KB	Output is correct
18	Correct	1 ms	1736 KB	Output is correct
19	Correct	2 ms	1740 KB	Output is correct
20	Correct	1 ms	1740 KB	Output is correct
21	Correct	1 ms	588 KB	Output is correct
22	Correct	1 ms	1612 KB	Output is correct
23	Correct	1 ms	1668 KB	Output is correct
24	Correct	2 ms	1996 KB	Output is correct
25	Correct	2 ms	1868 KB	Output is correct
26	Correct	2 ms	1996 KB	Output is correct
27	Correct	2 ms	1976 KB	Output is correct
28	Correct	2 ms	2380 KB	Output is correct
29	Correct	3 ms	3660 KB	Output is correct
30	Correct	1 ms	2124 KB	Output is correct
31	Correct	2 ms	2636 KB	Output is correct
32	Correct	2 ms	2380 KB	Output is correct
33	Correct	8 ms	5580 KB	Output is correct
34	Correct	9 ms	5560 KB	Output is correct
35	Correct	8 ms	4044 KB	Output is correct
36	Correct	2 ms	1484 KB	Output is correct
37	Correct	17 ms	6840 KB	Output is correct
38	Correct	15 ms	6220 KB	Output is correct
39	Correct	15 ms	6340 KB	Output is correct
40	Correct	15 ms	6220 KB	Output is correct
41	Correct	15 ms	6220 KB	Output is correct
42	Correct	5 ms	2380 KB	Output is correct
43	Correct	7 ms	2380 KB	Output is correct
44	Correct	4 ms	2124 KB	Output is correct
45	Correct	66 ms	17144 KB	Output is correct
46	Correct	66 ms	17044 KB	Output is correct
47	Correct	86 ms	32000 KB	Output is correct
48	Correct	17 ms	22600 KB	Output is correct
49	Correct	14 ms	21332 KB	Output is correct
50	Correct	17 ms	23328 KB	Output is correct
51	Correct	36 ms	30532 KB	Output is correct
52	Correct	36 ms	31520 KB	Output is correct
53	Correct	15 ms	23372 KB	Output is correct
54	Correct	1 ms	1228 KB	Output is correct
55	Correct	11 ms	22716 KB	Output is correct
56	Correct	18 ms	22612 KB	Output is correct
57	Correct	47 ms	37900 KB	Output is correct
58	Correct	15 ms	23628 KB	Output is correct
59	Correct	20 ms	24908 KB	Output is correct
60	Correct	23 ms	26144 KB	Output is correct
61	Correct	21 ms	25060 KB	Output is correct
62	Correct	34 ms	36044 KB	Output is correct
63	Correct	308 ms	83004 KB	Output is correct
64	Correct	337 ms	97444 KB	Output is correct
65	Correct	905 ms	140148 KB	Output is correct
66	Execution timed out	1094 ms	242736 KB	Time limit exceeded
67	Halted	0 ms	0 KB	-

Submission #531148

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
0 / 43.0