oj.uz

답안 #100121

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
100121 2019-03-09T10:22:06 Z TadijaSebez Jakarta Skyscrapers (APIO15_skyscraper) C++11
100 / 100
 894 ms 6256 KB 
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define ll long long
const int N=30050;
const ll inf=1e18;
ll dist[N];
vector<int> jump[N];
int my[N],p[N];
int main()
{
	int n,m,i;
	scanf("%i %i",&n,&m);
	for(i=1;i<=m;i++) scanf("%i %i",&my[i],&p[i]),my[i]++,jump[my[i]].push_back(p[i]);
	for(i=1;i<=n;i++) dist[i]=inf;
	priority_queue<pair<ll,int>> pq;
	pq.push(mp(0,my[1]));
	dist[my[1]]=0;
	while(pq.size())
	{
		ll d=-pq.top().first;
		int z=pq.top().second;
		pq.pop();
		if(d!=dist[z]) continue;
        for(int j:jump[z])
		{
			int cnt=1;
			for(int i=z+j;i<=n;i+=j)
			{
				if(dist[i]>dist[z]+cnt)
				{
					dist[i]=dist[z]+cnt;
					pq.push(mp(-dist[i],i));
				}
				cnt++;
			}
			cnt=1;
			for(int i=z-j;i>=1;i-=j)
			{
				if(dist[i]>dist[z]+cnt)
				{
					dist[i]=dist[z]+cnt;
					pq.push(mp(-dist[i],i));
				}
				cnt++;
			}
		}
	}
	if(dist[my[2]]==inf) printf("-1\n");
	else printf("%lld\n",dist[my[2]]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
skyscraper.cpp:14:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1;i<=m;i++) scanf("%i %i",&my[i],&p[i]),my[i]++,jump[my[i]].push_back(p[i]);
                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 4 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 2 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 3 ms 1024 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 4 ms 1024 KB Output is correct
5 Correct 4 ms 1024 KB Output is correct
6 Correct 4 ms 1024 KB Output is correct
7 Correct 2 ms 1024 KB Output is correct
8 Correct 3 ms 1024 KB Output is correct
9 Correct 3 ms 1024 KB Output is correct
10 Correct 2 ms 1024 KB Output is correct
11 Correct 3 ms 1024 KB Output is correct
12 Correct 3 ms 1024 KB Output is correct
13 Correct 3 ms 1024 KB Output is correct
14 Correct 3 ms 1024 KB Output is correct
15 Correct 3 ms 1024 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 3 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 3 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 3 ms 1024 KB Output is correct
8 Correct 4 ms 1024 KB Output is correct
9 Correct 3 ms 1024 KB Output is correct
10 Correct 2 ms 1024 KB Output is correct
11 Correct 3 ms 1024 KB Output is correct
12 Correct 3 ms 1024 KB Output is correct
13 Correct 3 ms 1024 KB Output is correct
14 Correct 4 ms 1152 KB Output is correct
15 Correct 4 ms 1024 KB Output is correct
16 Correct 4 ms 1024 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 3 ms 1024 KB Output is correct
19 Correct 3 ms 1024 KB Output is correct
20 Correct 6 ms 1152 KB Output is correct
21 Correct 2 ms 1024 KB Output is correct
22 Correct 3 ms 1024 KB Output is correct
23 Correct 3 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 4 ms 1252 KB Output is correct
26 Correct 6 ms 1152 KB Output is correct
27 Correct 6 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 4 ms 1280 KB Output is correct
30 Correct 3 ms 1280 KB Output is correct
31 Correct 4 ms 1280 KB Output is correct
32 Correct 3 ms 1280 KB Output is correct
33 Correct 6 ms 1408 KB Output is correct
34 Correct 4 ms 1536 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 2 ms 1024 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 2 ms 1024 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 3 ms 1024 KB Output is correct
9 Correct 2 ms 1024 KB Output is correct
10 Correct 3 ms 1024 KB Output is correct
11 Correct 3 ms 1152 KB Output is correct
12 Correct 3 ms 1152 KB Output is correct
13 Correct 3 ms 1152 KB Output is correct
14 Correct 3 ms 1068 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 3 ms 1024 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 3 ms 1152 KB Output is correct
19 Correct 3 ms 1024 KB Output is correct
20 Correct 7 ms 1152 KB Output is correct
21 Correct 3 ms 1024 KB Output is correct
22 Correct 2 ms 1024 KB Output is correct
23 Correct 3 ms 1152 KB Output is correct
24 Correct 4 ms 1152 KB Output is correct
25 Correct 4 ms 1280 KB Output is correct
26 Correct 8 ms 1152 KB Output is correct
27 Correct 5 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 4 ms 1280 KB Output is correct
30 Correct 4 ms 1252 KB Output is correct
31 Correct 3 ms 1280 KB Output is correct
32 Correct 3 ms 1280 KB Output is correct
33 Correct 4 ms 1408 KB Output is correct
34 Correct 4 ms 1536 KB Output is correct
35 Correct 9 ms 1792 KB Output is correct
36 Correct 6 ms 1280 KB Output is correct
37 Correct 9 ms 1792 KB Output is correct
38 Correct 11 ms 2048 KB Output is correct
39 Correct 11 ms 1920 KB Output is correct
40 Correct 14 ms 1920 KB Output is correct
41 Correct 12 ms 1968 KB Output is correct
42 Correct 69 ms 1792 KB Output is correct
43 Correct 60 ms 1764 KB Output is correct
44 Correct 59 ms 1680 KB Output is correct
45 Correct 10 ms 1920 KB Output is correct
46 Correct 11 ms 1920 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 3 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 3 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 3 ms 1024 KB Output is correct
8 Correct 3 ms 1024 KB Output is correct
9 Correct 3 ms 1024 KB Output is correct
10 Correct 4 ms 1024 KB Output is correct
11 Correct 4 ms 1024 KB Output is correct
12 Correct 3 ms 1024 KB Output is correct
13 Correct 3 ms 1024 KB Output is correct
14 Correct 4 ms 1024 KB Output is correct
15 Correct 4 ms 1024 KB Output is correct
16 Correct 3 ms 1024 KB Output is correct
17 Correct 5 ms 1152 KB Output is correct
18 Correct 3 ms 1024 KB Output is correct
19 Correct 4 ms 1152 KB Output is correct
20 Correct 8 ms 1280 KB Output is correct
21 Correct 3 ms 1024 KB Output is correct
22 Correct 3 ms 1152 KB Output is correct
23 Correct 4 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 5 ms 1280 KB Output is correct
26 Correct 6 ms 1152 KB Output is correct
27 Correct 5 ms 1152 KB Output is correct
28 Correct 5 ms 1152 KB Output is correct
29 Correct 4 ms 1280 KB Output is correct
30 Correct 4 ms 1280 KB Output is correct
31 Correct 5 ms 1280 KB Output is correct
32 Correct 3 ms 1280 KB Output is correct
33 Correct 5 ms 1408 KB Output is correct
34 Correct 5 ms 1536 KB Output is correct
35 Correct 14 ms 1792 KB Output is correct
36 Correct 5 ms 1152 KB Output is correct
37 Correct 10 ms 1664 KB Output is correct
38 Correct 12 ms 1920 KB Output is correct
39 Correct 14 ms 1920 KB Output is correct
40 Correct 14 ms 2048 KB Output is correct
41 Correct 15 ms 1920 KB Output is correct
42 Correct 61 ms 1792 KB Output is correct
43 Correct 57 ms 1664 KB Output is correct
44 Correct 62 ms 1644 KB Output is correct
45 Correct 10 ms 1920 KB Output is correct
46 Correct 11 ms 1920 KB Output is correct
47 Correct 20 ms 3068 KB Output is correct
48 Correct 10 ms 2048 KB Output is correct
49 Correct 10 ms 2048 KB Output is correct
50 Correct 8 ms 1792 KB Output is correct
51 Correct 40 ms 4660 KB Output is correct
52 Correct 41 ms 3608 KB Output is correct
53 Correct 25 ms 3572 KB Output is correct
54 Correct 5 ms 1664 KB Output is correct
55 Correct 5 ms 1664 KB Output is correct
56 Correct 894 ms 3324 KB Output is correct
57 Correct 63 ms 5624 KB Output is correct
58 Correct 808 ms 2048 KB Output is correct
59 Correct 745 ms 2148 KB Output is correct
60 Correct 729 ms 2240 KB Output is correct
61 Correct 664 ms 2252 KB Output is correct
62 Correct 14 ms 2788 KB Output is correct
63 Correct 33 ms 4088 KB Output is correct
64 Correct 31 ms 4088 KB Output is correct
65 Correct 35 ms 4088 KB Output is correct
66 Correct 53 ms 6256 KB Output is correct
67 Correct 51 ms 6100 KB Output is correct