답안 #81834 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
81834	2018-10-27T06:13:33 Z	antimirage	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	199 ms	65648 KB

skyscraper

#include <bits/stdc++.h>
 
#define mk make_pair
#define pb push_back
#define fr first
#define sc second
 
using namespace std;
 
const int N = 3e4 + 5;
 
int n, m, en, pos, p, d[N], st;
 
set <int, greater <int> > vec[N];

vector < vector <pair <int, int> > > g;
 
priority_queue < pair <int, int> > q;
 
int main() 
{
	cin >> n >> m;
	g.resize(n);
	for (int i = 1; i <= m; i++)
	{
		scanf("%d%d", &pos, &p);
		vec[pos].insert(p);
		if (i == 1)
			st = pos;
		if (i == 2)
			en = pos;
	}
	for (int i = 0; i < n; i++)
	{
		for (auto to : vec[i])
		{
			for (int j = i - to; j >= 0; j -= to)
			{
				g[i].pb(mk(j, (i - j) / to ) );
				if (vec[j].lower_bound(to) != vec[j].end() && *vec[j].lower_bound(to) == to)
					break;
			}
			for (int j = i + to; j < n; j += to)
			{
				g[i].pb(mk(j, (j - i) / to ) );
				if (vec[j].lower_bound(to) != vec[j].end() && *vec[j].lower_bound(to) == to)
					break;
			}
		}
	}
	memset(d, 0x3f3f3f3f, sizeof(d));
	d[st] = 0;
	q.push( mk( 0, st ) );
	
	while (!q.empty())
	{
		int v = q.top().sc, len = -q.top().fr;
		q.pop();
		if (d[v] < len) continue;
		
		for (auto to : g[v])
		{
			if (d[to.fr] > d[v] + to.sc)
			{
				d[to.fr] = d[v] + to.sc;
				q.push( mk( -d[to.fr], to.fr ) );
			}
		}
		
	}
	if (d[en] > 1e9)
		d[en] = -1;
	cout << d[en] << endl;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &pos, &p);
   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1912 KB	Output is correct
2	Correct	3 ms	1916 KB	Output is correct
3	Correct	3 ms	1916 KB	Output is correct
4	Correct	3 ms	1992 KB	Output is correct
5	Correct	3 ms	1992 KB	Output is correct
6	Correct	3 ms	2040 KB	Output is correct
7	Correct	3 ms	2096 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2128 KB	Output is correct
2	Correct	3 ms	2152 KB	Output is correct
3	Correct	4 ms	2152 KB	Output is correct
4	Correct	3 ms	2152 KB	Output is correct
5	Correct	3 ms	2152 KB	Output is correct
6	Correct	3 ms	2152 KB	Output is correct
7	Correct	3 ms	2152 KB	Output is correct
8	Correct	3 ms	2152 KB	Output is correct
9	Correct	3 ms	2152 KB	Output is correct
10	Correct	3 ms	2172 KB	Output is correct
11	Correct	4 ms	2276 KB	Output is correct
12	Correct	3 ms	2276 KB	Output is correct
13	Correct	3 ms	2276 KB	Output is correct
14	Correct	4 ms	2276 KB	Output is correct
15	Correct	4 ms	2276 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2276 KB	Output is correct
2	Correct	3 ms	2276 KB	Output is correct
3	Correct	3 ms	2276 KB	Output is correct
4	Correct	3 ms	2276 KB	Output is correct
5	Correct	3 ms	2276 KB	Output is correct
6	Correct	3 ms	2276 KB	Output is correct
7	Correct	3 ms	2276 KB	Output is correct
8	Correct	3 ms	2276 KB	Output is correct
9	Correct	3 ms	2276 KB	Output is correct
10	Correct	3 ms	2276 KB	Output is correct
11	Correct	4 ms	2276 KB	Output is correct
12	Correct	4 ms	2276 KB	Output is correct
13	Correct	3 ms	2276 KB	Output is correct
14	Correct	4 ms	2276 KB	Output is correct
15	Correct	4 ms	2276 KB	Output is correct
16	Correct	4 ms	2276 KB	Output is correct
17	Correct	5 ms	2428 KB	Output is correct
18	Correct	4 ms	2428 KB	Output is correct
19	Correct	3 ms	2428 KB	Output is correct
20	Correct	4 ms	2428 KB	Output is correct
21	Correct	4 ms	2428 KB	Output is correct
22	Correct	4 ms	2428 KB	Output is correct
23	Correct	4 ms	2428 KB	Output is correct
24	Correct	5 ms	2428 KB	Output is correct
25	Correct	5 ms	2428 KB	Output is correct
26	Correct	4 ms	2428 KB	Output is correct
27	Correct	4 ms	2428 KB	Output is correct
28	Correct	4 ms	2428 KB	Output is correct
29	Correct	5 ms	2940 KB	Output is correct
30	Correct	4 ms	2940 KB	Output is correct
31	Correct	5 ms	2940 KB	Output is correct
32	Correct	5 ms	2940 KB	Output is correct
33	Correct	7 ms	3496 KB	Output is correct
34	Correct	9 ms	3496 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	3496 KB	Output is correct
2	Correct	3 ms	3496 KB	Output is correct
3	Correct	3 ms	3496 KB	Output is correct
4	Correct	3 ms	3496 KB	Output is correct
5	Correct	3 ms	3496 KB	Output is correct
6	Correct	3 ms	3496 KB	Output is correct
7	Correct	3 ms	3496 KB	Output is correct
8	Correct	3 ms	3496 KB	Output is correct
9	Correct	3 ms	3496 KB	Output is correct
10	Correct	3 ms	3496 KB	Output is correct
11	Correct	4 ms	3496 KB	Output is correct
12	Correct	4 ms	3496 KB	Output is correct
13	Correct	3 ms	3496 KB	Output is correct
14	Correct	4 ms	3496 KB	Output is correct
15	Correct	4 ms	3496 KB	Output is correct
16	Correct	4 ms	3496 KB	Output is correct
17	Correct	5 ms	3496 KB	Output is correct
18	Correct	4 ms	3496 KB	Output is correct
19	Correct	4 ms	3496 KB	Output is correct
20	Correct	4 ms	3496 KB	Output is correct
21	Correct	4 ms	3496 KB	Output is correct
22	Correct	4 ms	3496 KB	Output is correct
23	Correct	4 ms	3496 KB	Output is correct
24	Correct	5 ms	3496 KB	Output is correct
25	Correct	5 ms	3496 KB	Output is correct
26	Correct	4 ms	3496 KB	Output is correct
27	Correct	4 ms	3496 KB	Output is correct
28	Correct	5 ms	3496 KB	Output is correct
29	Correct	6 ms	3496 KB	Output is correct
30	Correct	4 ms	3496 KB	Output is correct
31	Correct	5 ms	3496 KB	Output is correct
32	Correct	4 ms	3496 KB	Output is correct
33	Correct	7 ms	3496 KB	Output is correct
34	Correct	7 ms	3496 KB	Output is correct
35	Correct	27 ms	4348 KB	Output is correct
36	Correct	6 ms	4348 KB	Output is correct
37	Correct	29 ms	5116 KB	Output is correct
38	Correct	33 ms	5376 KB	Output is correct
39	Correct	34 ms	5376 KB	Output is correct
40	Correct	37 ms	5376 KB	Output is correct
41	Correct	32 ms	5376 KB	Output is correct
42	Correct	9 ms	5376 KB	Output is correct
43	Correct	9 ms	5376 KB	Output is correct
44	Correct	9 ms	5376 KB	Output is correct
45	Correct	30 ms	7676 KB	Output is correct
46	Correct	38 ms	7676 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	7676 KB	Output is correct
2	Correct	3 ms	7676 KB	Output is correct
3	Correct	3 ms	7676 KB	Output is correct
4	Correct	3 ms	7676 KB	Output is correct
5	Correct	3 ms	7676 KB	Output is correct
6	Correct	3 ms	7676 KB	Output is correct
7	Correct	3 ms	7676 KB	Output is correct
8	Correct	3 ms	7676 KB	Output is correct
9	Correct	3 ms	7676 KB	Output is correct
10	Correct	3 ms	7676 KB	Output is correct
11	Correct	5 ms	7676 KB	Output is correct
12	Correct	3 ms	7676 KB	Output is correct
13	Correct	3 ms	7676 KB	Output is correct
14	Correct	4 ms	7676 KB	Output is correct
15	Correct	4 ms	7676 KB	Output is correct
16	Correct	4 ms	7676 KB	Output is correct
17	Correct	5 ms	7676 KB	Output is correct
18	Correct	4 ms	7676 KB	Output is correct
19	Correct	3 ms	7676 KB	Output is correct
20	Correct	4 ms	7676 KB	Output is correct
21	Correct	3 ms	7676 KB	Output is correct
22	Correct	4 ms	7676 KB	Output is correct
23	Correct	5 ms	7676 KB	Output is correct
24	Correct	5 ms	7676 KB	Output is correct
25	Correct	5 ms	7676 KB	Output is correct
26	Correct	4 ms	7676 KB	Output is correct
27	Correct	4 ms	7676 KB	Output is correct
28	Correct	4 ms	7676 KB	Output is correct
29	Correct	5 ms	7676 KB	Output is correct
30	Correct	4 ms	7676 KB	Output is correct
31	Correct	5 ms	7676 KB	Output is correct
32	Correct	5 ms	7676 KB	Output is correct
33	Correct	7 ms	7676 KB	Output is correct
34	Correct	7 ms	7676 KB	Output is correct
35	Correct	25 ms	7676 KB	Output is correct
36	Correct	6 ms	7676 KB	Output is correct
37	Correct	29 ms	7676 KB	Output is correct
38	Correct	48 ms	7676 KB	Output is correct
39	Correct	36 ms	7676 KB	Output is correct
40	Correct	31 ms	7676 KB	Output is correct
41	Correct	34 ms	7676 KB	Output is correct
42	Correct	14 ms	7676 KB	Output is correct
43	Correct	14 ms	7676 KB	Output is correct
44	Correct	14 ms	7676 KB	Output is correct
45	Correct	31 ms	7676 KB	Output is correct
46	Correct	46 ms	7676 KB	Output is correct
47	Correct	66 ms	12792 KB	Output is correct
48	Correct	25 ms	12792 KB	Output is correct
49	Correct	21 ms	12792 KB	Output is correct
50	Correct	20 ms	12792 KB	Output is correct
51	Correct	57 ms	12792 KB	Output is correct
52	Correct	53 ms	12792 KB	Output is correct
53	Correct	28 ms	12792 KB	Output is correct
54	Correct	6 ms	12792 KB	Output is correct
55	Correct	7 ms	12792 KB	Output is correct
56	Correct	20 ms	12792 KB	Output is correct
57	Correct	50 ms	12792 KB	Output is correct
58	Correct	13 ms	12792 KB	Output is correct
59	Correct	14 ms	12792 KB	Output is correct
60	Correct	16 ms	12792 KB	Output is correct
61	Correct	17 ms	12792 KB	Output is correct
62	Correct	33 ms	12792 KB	Output is correct
63	Correct	95 ms	27100 KB	Output is correct
64	Correct	99 ms	30272 KB	Output is correct
65	Correct	128 ms	40444 KB	Output is correct
66	Correct	199 ms	65488 KB	Output is correct
67	Correct	197 ms	65648 KB	Output is correct

답안 #81834

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 43.0 / 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
43.0 / 43.0