답안 #27368 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
27368	2017-07-12T10:47:37 Z	TAMREF	Jakarta Skyscrapers (APIO15_skyscraper)	C++11	100 / 100	463 ms	9480 KB

skyscraper

#include <bits/stdc++.h>
#define va first
#define vb second
#define mp make_pair
#define all(x) x.begin(),x.end()
using namespace std;
typedef pair<int,int> pii;
const int mx=30005;
int dist[mx], B[mx], P[mx];
vector<int> C[mx];
int N,M;
void input(){
    scanf("%d%d",&N,&M);
    for(int i=0;i<M;i++){
        scanf("%d%d",&B[i],&P[i]);
        C[B[i]].push_back(P[i]);
    }
    for(int i=0;i<N;i++){
        sort(all(C[i]));
        C[i].erase(unique(all(C[i])),C[i].end());
    }
    fill(dist,dist+N,(int)1e9);
}
void dijk(int s){
    priority_queue<pii,vector<pii>,greater<pii>> q;
    q.push(mp(dist[s]=0,s));
    pii t;
    while(!q.empty()){
        t=q.top(); q.pop();
        if(t.va>dist[t.vb]) continue;
        for(int p : C[t.vb]){
            for(int x=1,o=t.vb+p,c=t.va+1;o<N;++x,o+=p,++c){
                if(dist[o]>c){
                    q.push(mp(dist[o]=c,o));
                    if(binary_search(all(C[o]),p)) break;
                }
            }
            for(int x=1,o=t.vb-p,c=t.va+1;o>=0;++x,o-=p,++c){
                if(dist[o]>c){
                    q.push(mp(dist[o]=c,o));
                    if(binary_search(all(C[o]),p)) break;
                }
            }
        }
    }
}
int main(){
    input();
    dijk(B[0]);
    printf("%d\n",dist[B[1]]==(int)1e9?-1:dist[B[1]]);
}

Compilation message

skyscraper.cpp: In function 'void input()':
skyscraper.cpp:13:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&N,&M);
                        ^
skyscraper.cpp:15:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&B[i],&P[i]);
                                  ^

Subtask #1
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	3076 KB	Output is correct
2	Correct	3076 KB	Output is correct
3	Correct	3076 KB	Output is correct
4	Correct	3076 KB	Output is correct
5	Correct	3076 KB	Output is correct
6	Correct	3076 KB	Output is correct
7	Correct	3076 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	3076 KB	Output is correct
2	Correct	3076 KB	Output is correct
3	Correct	3076 KB	Output is correct
4	Correct	3076 KB	Output is correct
5	Correct	3076 KB	Output is correct
6	Correct	3076 KB	Output is correct
7	Correct	3076 KB	Output is correct
8	Correct	3076 KB	Output is correct
9	Correct	3076 KB	Output is correct
10	Correct	3076 KB	Output is correct
11	Correct	3076 KB	Output is correct
12	Correct	3076 KB	Output is correct
13	Correct	3076 KB	Output is correct
14	Correct	3076 KB	Output is correct
15	Correct	3076 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3076 KB	Output is correct
2	Correct	0 ms	3076 KB	Output is correct
3	Correct	0 ms	3076 KB	Output is correct
4	Correct	0 ms	3076 KB	Output is correct
5	Correct	0 ms	3076 KB	Output is correct
6	Correct	0 ms	3076 KB	Output is correct
7	Correct	0 ms	3076 KB	Output is correct
8	Correct	0 ms	3076 KB	Output is correct
9	Correct	0 ms	3076 KB	Output is correct
10	Correct	0 ms	3076 KB	Output is correct
11	Correct	0 ms	3076 KB	Output is correct
12	Correct	0 ms	3076 KB	Output is correct
13	Correct	0 ms	3076 KB	Output is correct
14	Correct	0 ms	3076 KB	Output is correct
15	Correct	0 ms	3076 KB	Output is correct
16	Correct	0 ms	3076 KB	Output is correct
17	Correct	0 ms	3208 KB	Output is correct
18	Correct	0 ms	3076 KB	Output is correct
19	Correct	0 ms	3076 KB	Output is correct
20	Correct	0 ms	3208 KB	Output is correct
21	Correct	0 ms	3076 KB	Output is correct
22	Correct	0 ms	3076 KB	Output is correct
23	Correct	0 ms	3076 KB	Output is correct
24	Correct	0 ms	3220 KB	Output is correct
25	Correct	0 ms	3208 KB	Output is correct
26	Correct	0 ms	3076 KB	Output is correct
27	Correct	0 ms	3076 KB	Output is correct
28	Correct	0 ms	3208 KB	Output is correct
29	Correct	3 ms	3356 KB	Output is correct
30	Correct	0 ms	3220 KB	Output is correct
31	Correct	0 ms	3220 KB	Output is correct
32	Correct	0 ms	3224 KB	Output is correct
33	Correct	3 ms	3560 KB	Output is correct
34	Correct	3 ms	3560 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3076 KB	Output is correct
2	Correct	0 ms	3076 KB	Output is correct
3	Correct	0 ms	3076 KB	Output is correct
4	Correct	0 ms	3076 KB	Output is correct
5	Correct	0 ms	3076 KB	Output is correct
6	Correct	0 ms	3076 KB	Output is correct
7	Correct	0 ms	3076 KB	Output is correct
8	Correct	0 ms	3076 KB	Output is correct
9	Correct	0 ms	3076 KB	Output is correct
10	Correct	0 ms	3076 KB	Output is correct
11	Correct	0 ms	3076 KB	Output is correct
12	Correct	0 ms	3076 KB	Output is correct
13	Correct	0 ms	3076 KB	Output is correct
14	Correct	0 ms	3076 KB	Output is correct
15	Correct	0 ms	3076 KB	Output is correct
16	Correct	0 ms	3076 KB	Output is correct
17	Correct	0 ms	3208 KB	Output is correct
18	Correct	0 ms	3076 KB	Output is correct
19	Correct	0 ms	3076 KB	Output is correct
20	Correct	3 ms	3208 KB	Output is correct
21	Correct	0 ms	3076 KB	Output is correct
22	Correct	0 ms	3076 KB	Output is correct
23	Correct	0 ms	3076 KB	Output is correct
24	Correct	0 ms	3220 KB	Output is correct
25	Correct	0 ms	3208 KB	Output is correct
26	Correct	0 ms	3076 KB	Output is correct
27	Correct	0 ms	3076 KB	Output is correct
28	Correct	0 ms	3208 KB	Output is correct
29	Correct	3 ms	3356 KB	Output is correct
30	Correct	0 ms	3220 KB	Output is correct
31	Correct	0 ms	3220 KB	Output is correct
32	Correct	0 ms	3224 KB	Output is correct
33	Correct	3 ms	3560 KB	Output is correct
34	Correct	6 ms	3560 KB	Output is correct
35	Correct	9 ms	3340 KB	Output is correct
36	Correct	0 ms	3208 KB	Output is correct
37	Correct	9 ms	3344 KB	Output is correct
38	Correct	13 ms	3524 KB	Output is correct
39	Correct	6 ms	3520 KB	Output is correct
40	Correct	19 ms	3524 KB	Output is correct
41	Correct	9 ms	3524 KB	Output is correct
42	Correct	9 ms	3352 KB	Output is correct
43	Correct	13 ms	3352 KB	Output is correct
44	Correct	13 ms	3348 KB	Output is correct
45	Correct	13 ms	3720 KB	Output is correct
46	Correct	9 ms	3724 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	3076 KB	Output is correct
2	Correct	0 ms	3076 KB	Output is correct
3	Correct	0 ms	3076 KB	Output is correct
4	Correct	0 ms	3076 KB	Output is correct
5	Correct	0 ms	3076 KB	Output is correct
6	Correct	0 ms	3076 KB	Output is correct
7	Correct	0 ms	3076 KB	Output is correct
8	Correct	0 ms	3076 KB	Output is correct
9	Correct	0 ms	3076 KB	Output is correct
10	Correct	0 ms	3076 KB	Output is correct
11	Correct	0 ms	3076 KB	Output is correct
12	Correct	0 ms	3076 KB	Output is correct
13	Correct	0 ms	3076 KB	Output is correct
14	Correct	0 ms	3076 KB	Output is correct
15	Correct	0 ms	3076 KB	Output is correct
16	Correct	0 ms	3076 KB	Output is correct
17	Correct	0 ms	3208 KB	Output is correct
18	Correct	0 ms	3076 KB	Output is correct
19	Correct	0 ms	3076 KB	Output is correct
20	Correct	3 ms	3208 KB	Output is correct
21	Correct	0 ms	3076 KB	Output is correct
22	Correct	0 ms	3076 KB	Output is correct
23	Correct	0 ms	3076 KB	Output is correct
24	Correct	0 ms	3220 KB	Output is correct
25	Correct	0 ms	3208 KB	Output is correct
26	Correct	0 ms	3076 KB	Output is correct
27	Correct	0 ms	3076 KB	Output is correct
28	Correct	0 ms	3208 KB	Output is correct
29	Correct	3 ms	3356 KB	Output is correct
30	Correct	0 ms	3220 KB	Output is correct
31	Correct	0 ms	3220 KB	Output is correct
32	Correct	0 ms	3224 KB	Output is correct
33	Correct	3 ms	3560 KB	Output is correct
34	Correct	3 ms	3560 KB	Output is correct
35	Correct	3 ms	3340 KB	Output is correct
36	Correct	0 ms	3208 KB	Output is correct
37	Correct	6 ms	3344 KB	Output is correct
38	Correct	9 ms	3524 KB	Output is correct
39	Correct	9 ms	3520 KB	Output is correct
40	Correct	6 ms	3524 KB	Output is correct
41	Correct	9 ms	3524 KB	Output is correct
42	Correct	6 ms	3352 KB	Output is correct
43	Correct	6 ms	3352 KB	Output is correct
44	Correct	6 ms	3348 KB	Output is correct
45	Correct	16 ms	3720 KB	Output is correct
46	Correct	6 ms	3724 KB	Output is correct
47	Correct	16 ms	4272 KB	Output is correct
48	Correct	6 ms	3604 KB	Output is correct
49	Correct	6 ms	3604 KB	Output is correct
50	Correct	3 ms	3472 KB	Output is correct
51	Correct	33 ms	4520 KB	Output is correct
52	Correct	29 ms	4524 KB	Output is correct
53	Correct	16 ms	4524 KB	Output is correct
54	Correct	0 ms	3348 KB	Output is correct
55	Correct	0 ms	3348 KB	Output is correct
56	Correct	463 ms	4000 KB	Output is correct
57	Correct	49 ms	4764 KB	Output is correct
58	Correct	9 ms	3416 KB	Output is correct
59	Correct	6 ms	3416 KB	Output is correct
60	Correct	9 ms	3424 KB	Output is correct
61	Correct	3 ms	3432 KB	Output is correct
62	Correct	13 ms	4000 KB	Output is correct
63	Correct	53 ms	6464 KB	Output is correct
64	Correct	46 ms	6428 KB	Output is correct
65	Correct	56 ms	6452 KB	Output is correct
66	Correct	106 ms	9480 KB	Output is correct
67	Correct	116 ms	9480 KB	Output is correct

답안 #27368

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