답안 #17356 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
17356	2015-11-26T02:10:37 Z	comet	Jakarta Skyscrapers (APIO15_skyscraper)	C++	100 / 100	110 ms	10908 KB

skyscraper

#include <cstdio>
#include <queue>
#include <algorithm>
#include <cstring>
using namespace std;
typedef pair<int,int> pp;
typedef vector<int> vec;
typedef vector<vec> mat;
#define pb push_back
#define B 170

int N,M;
int a[30010],P[30010];
int dist[30010];
bool chk[30010][B];

priority_queue<pp,vector<pp>,greater<pp> > Q;

mat doge;

int main(){
	scanf("%d%d",&N,&M);
	doge.assign(N,vec());
	for(int i=0;i<M;i++){
		scanf("%d%d",&a[i],&P[i]);
		doge[a[i]].push_back(P[i]);
		if(P[i]<B){
			chk[a[i]][P[i]]=1;
		}
	}

	memset(dist,0x3f,sizeof(dist));
	int INF=dist[0];
	dist[a[0]]=0;
	Q.push(pp(0,a[0]));

	int v,d;
	while(!Q.empty()){
		v=Q.top().second;d=Q.top().first;Q.pop();
		if(dist[v]!=d)continue;
		if(v==a[1])break;
		for(int k=0;k<doge[v].size();k++){
			int p=doge[v][k];
			for(int i=v+p;i<N;i+=p){
				if(dist[i]>dist[v]+(i-v)/p){
					dist[i]=dist[v]+(i-v)/p;
					Q.push(pp(dist[i],i));
				}
				if(p<B&&chk[i][p])break;
				if(p<B)chk[i][p]=1;
			}
			for(int i=v-p;i>=0;i-=p){
				if(dist[i]>dist[v]+(v-i)/p){
					dist[i]=dist[v]+(v-i)/p;
					Q.push(pp(dist[i],i));
				}
				if(p<B&&chk[i][p])break;
				if(p<B)chk[i][p]=1;
			}
		}
	}
	if(dist[a[1]]==INF){
		puts("-1");
	}else{
		printf("%d",dist[a[1]]);
	}
}

Subtask #1
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	6916 KB	Output is correct
2	Correct	6916 KB	Output is correct
3	Correct	6916 KB	Output is correct
4	Correct	6916 KB	Output is correct
5	Correct	6916 KB	Output is correct
6	Correct	6916 KB	Output is correct
7	Correct	6916 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	6916 KB	Output is correct
2	Correct	0 ms	6916 KB	Output is correct
3	Correct	1 ms	6916 KB	Output is correct
4	Correct	0 ms	6916 KB	Output is correct
5	Correct	0 ms	6916 KB	Output is correct
6	Correct	0 ms	6916 KB	Output is correct
7	Correct	0 ms	6916 KB	Output is correct
8	Correct	0 ms	6916 KB	Output is correct
9	Correct	0 ms	6916 KB	Output is correct
10	Correct	0 ms	6916 KB	Output is correct
11	Correct	0 ms	6916 KB	Output is correct
12	Correct	0 ms	6916 KB	Output is correct
13	Correct	0 ms	6916 KB	Output is correct
14	Correct	0 ms	6916 KB	Output is correct
15	Correct	0 ms	6916 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	6916 KB	Output is correct
2	Correct	0 ms	6916 KB	Output is correct
3	Correct	0 ms	6916 KB	Output is correct
4	Correct	0 ms	6916 KB	Output is correct
5	Correct	0 ms	6916 KB	Output is correct
6	Correct	0 ms	6916 KB	Output is correct
7	Correct	0 ms	6916 KB	Output is correct
8	Correct	0 ms	6916 KB	Output is correct
9	Correct	0 ms	6916 KB	Output is correct
10	Correct	0 ms	6916 KB	Output is correct
11	Correct	1 ms	6916 KB	Output is correct
12	Correct	0 ms	6916 KB	Output is correct
13	Correct	0 ms	6916 KB	Output is correct
14	Correct	0 ms	6916 KB	Output is correct
15	Correct	1 ms	6916 KB	Output is correct
16	Correct	0 ms	6916 KB	Output is correct
17	Correct	0 ms	6916 KB	Output is correct
18	Correct	0 ms	6916 KB	Output is correct
19	Correct	0 ms	6916 KB	Output is correct
20	Correct	0 ms	6916 KB	Output is correct
21	Correct	0 ms	6916 KB	Output is correct
22	Correct	0 ms	6916 KB	Output is correct
23	Correct	0 ms	6916 KB	Output is correct
24	Correct	0 ms	6916 KB	Output is correct
25	Correct	0 ms	6916 KB	Output is correct
26	Correct	0 ms	6916 KB	Output is correct
27	Correct	0 ms	6916 KB	Output is correct
28	Correct	1 ms	6916 KB	Output is correct
29	Correct	3 ms	7100 KB	Output is correct
30	Correct	1 ms	7092 KB	Output is correct
31	Correct	0 ms	7096 KB	Output is correct
32	Correct	0 ms	7100 KB	Output is correct
33	Correct	4 ms	7108 KB	Output is correct
34	Correct	0 ms	7108 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	6916 KB	Output is correct
2	Correct	0 ms	6916 KB	Output is correct
3	Correct	0 ms	6916 KB	Output is correct
4	Correct	0 ms	6916 KB	Output is correct
5	Correct	0 ms	6916 KB	Output is correct
6	Correct	0 ms	6916 KB	Output is correct
7	Correct	0 ms	6916 KB	Output is correct
8	Correct	0 ms	6916 KB	Output is correct
9	Correct	0 ms	6916 KB	Output is correct
10	Correct	0 ms	6916 KB	Output is correct
11	Correct	0 ms	6916 KB	Output is correct
12	Correct	0 ms	6916 KB	Output is correct
13	Correct	0 ms	6916 KB	Output is correct
14	Correct	0 ms	6916 KB	Output is correct
15	Correct	0 ms	6916 KB	Output is correct
16	Correct	0 ms	6916 KB	Output is correct
17	Correct	0 ms	6916 KB	Output is correct
18	Correct	0 ms	6916 KB	Output is correct
19	Correct	0 ms	6916 KB	Output is correct
20	Correct	0 ms	6916 KB	Output is correct
21	Correct	0 ms	6916 KB	Output is correct
22	Correct	0 ms	6916 KB	Output is correct
23	Correct	0 ms	6916 KB	Output is correct
24	Correct	2 ms	6916 KB	Output is correct
25	Correct	0 ms	6916 KB	Output is correct
26	Correct	0 ms	6916 KB	Output is correct
27	Correct	0 ms	6916 KB	Output is correct
28	Correct	0 ms	6916 KB	Output is correct
29	Correct	0 ms	7100 KB	Output is correct
30	Correct	0 ms	7092 KB	Output is correct
31	Correct	0 ms	7096 KB	Output is correct
32	Correct	2 ms	7100 KB	Output is correct
33	Correct	4 ms	7108 KB	Output is correct
34	Correct	0 ms	7108 KB	Output is correct
35	Correct	4 ms	7180 KB	Output is correct
36	Correct	2 ms	6916 KB	Output is correct
37	Correct	6 ms	7192 KB	Output is correct
38	Correct	5 ms	7324 KB	Output is correct
39	Correct	11 ms	7180 KB	Output is correct
40	Correct	0 ms	7180 KB	Output is correct
41	Correct	12 ms	7324 KB	Output is correct
42	Correct	0 ms	7096 KB	Output is correct
43	Correct	0 ms	7096 KB	Output is correct
44	Correct	8 ms	7092 KB	Output is correct
45	Correct	12 ms	7336 KB	Output is correct
46	Correct	6 ms	7332 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	6916 KB	Output is correct
2	Correct	0 ms	6916 KB	Output is correct
3	Correct	0 ms	6916 KB	Output is correct
4	Correct	0 ms	6916 KB	Output is correct
5	Correct	0 ms	6916 KB	Output is correct
6	Correct	0 ms	6916 KB	Output is correct
7	Correct	0 ms	6916 KB	Output is correct
8	Correct	0 ms	6916 KB	Output is correct
9	Correct	0 ms	6916 KB	Output is correct
10	Correct	0 ms	6916 KB	Output is correct
11	Correct	0 ms	6916 KB	Output is correct
12	Correct	0 ms	6916 KB	Output is correct
13	Correct	0 ms	6916 KB	Output is correct
14	Correct	1 ms	6916 KB	Output is correct
15	Correct	0 ms	6916 KB	Output is correct
16	Correct	0 ms	6916 KB	Output is correct
17	Correct	0 ms	6916 KB	Output is correct
18	Correct	0 ms	6916 KB	Output is correct
19	Correct	0 ms	6916 KB	Output is correct
20	Correct	0 ms	6916 KB	Output is correct
21	Correct	0 ms	6916 KB	Output is correct
22	Correct	0 ms	6916 KB	Output is correct
23	Correct	0 ms	6916 KB	Output is correct
24	Correct	0 ms	6916 KB	Output is correct
25	Correct	0 ms	6916 KB	Output is correct
26	Correct	0 ms	6916 KB	Output is correct
27	Correct	1 ms	6916 KB	Output is correct
28	Correct	0 ms	6916 KB	Output is correct
29	Correct	0 ms	7100 KB	Output is correct
30	Correct	1 ms	7092 KB	Output is correct
31	Correct	0 ms	7096 KB	Output is correct
32	Correct	0 ms	7100 KB	Output is correct
33	Correct	4 ms	7108 KB	Output is correct
34	Correct	3 ms	7108 KB	Output is correct
35	Correct	0 ms	7180 KB	Output is correct
36	Correct	1 ms	6916 KB	Output is correct
37	Correct	3 ms	7192 KB	Output is correct
38	Correct	9 ms	7324 KB	Output is correct
39	Correct	11 ms	7180 KB	Output is correct
40	Correct	10 ms	7180 KB	Output is correct
41	Correct	6 ms	7324 KB	Output is correct
42	Correct	7 ms	7096 KB	Output is correct
43	Correct	5 ms	7096 KB	Output is correct
44	Correct	8 ms	7092 KB	Output is correct
45	Correct	13 ms	7336 KB	Output is correct
46	Correct	10 ms	7332 KB	Output is correct
47	Correct	9 ms	8324 KB	Output is correct
48	Correct	10 ms	7860 KB	Output is correct
49	Correct	0 ms	7908 KB	Output is correct
50	Correct	0 ms	7836 KB	Output is correct
51	Correct	16 ms	8984 KB	Output is correct
52	Correct	19 ms	8988 KB	Output is correct
53	Correct	0 ms	8408 KB	Output is correct
54	Correct	4 ms	7752 KB	Output is correct
55	Correct	0 ms	7752 KB	Output is correct
56	Correct	12 ms	8544 KB	Output is correct
57	Correct	3 ms	8080 KB	Output is correct
58	Correct	12 ms	7884 KB	Output is correct
59	Correct	9 ms	7884 KB	Output is correct
60	Correct	8 ms	7888 KB	Output is correct
61	Correct	4 ms	7900 KB	Output is correct
62	Correct	5 ms	8544 KB	Output is correct
63	Correct	53 ms	9400 KB	Output is correct
64	Correct	56 ms	9360 KB	Output is correct
65	Correct	72 ms	10908 KB	Output is correct
66	Correct	110 ms	10872 KB	Output is correct
67	Correct	90 ms	10876 KB	Output is correct

답안 #17356

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