답안 #52663 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
52663	2018-06-26T10:50:12 Z	evpipis	Jakarta Skyscrapers (APIO15_skyscraper)	C++11	57 / 100	1000 ms	65140 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define mp make_pair
typedef pair<int, int> ii;

const int len = 30005, inf = 1e9;
int po[len], pos[len], vis[len];
vector<int> vec[len];
unordered_map<int, int> mymap[len];
deque<pair<int, ii> > deq;

int main(){
    int n, m;
    scanf("%d %d", &n, &m);
    for (int i = 0; i < m; i++)
        scanf("%d %d", &pos[i], &po[i]);
    for (int i = 0; i < m; i++)
        vec[pos[i]].pb(po[i]);

    int ans = -1;
    deq.pb(mp(0, mp(pos[0], po[0])));
    while (!deq.empty()){
        pair<int, ii> top = deq.front();
        deq.pop_front();

        int d = top.fi, b = top.se.fi, p = top.se.se;
        if (b == pos[1]){
            ans = d;
            break;
        }

        if (mymap[b].count(p)) continue;
        mymap[b][p] = d;
        if (b+p < n)
            deq.pb(mp(d+1, mp(b+p, p)));
        if (b-p >= 0)
            deq.pb(mp(d+1, mp(b-p, p)));

        if (vis[b]) continue;
        vis[b] = 1;
        for (int j = 0; j < vec[b].size(); j++)
            deq.push_front(mp(d, mp(b, vec[b][j])));
    }

    printf("%d\n", ans);
    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:45:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < vec[b].size(); j++)
                         ~~^~~~~~~~~~~~~~~
skyscraper.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &pos[i], &po[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	Output is correct
2	Correct	4 ms	2680 KB	Output is correct
3	Correct	4 ms	2716 KB	Output is correct
4	Correct	4 ms	2788 KB	Output is correct
5	Correct	4 ms	2788 KB	Output is correct
6	Correct	4 ms	2788 KB	Output is correct
7	Correct	4 ms	2788 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2788 KB	Output is correct
2	Correct	4 ms	2788 KB	Output is correct
3	Correct	4 ms	2848 KB	Output is correct
4	Correct	4 ms	2848 KB	Output is correct
5	Correct	4 ms	2856 KB	Output is correct
6	Correct	4 ms	2864 KB	Output is correct
7	Correct	4 ms	2864 KB	Output is correct
8	Correct	4 ms	2992 KB	Output is correct
9	Correct	4 ms	2992 KB	Output is correct
10	Correct	4 ms	2992 KB	Output is correct
11	Correct	4 ms	2992 KB	Output is correct
12	Correct	4 ms	2992 KB	Output is correct
13	Correct	4 ms	3112 KB	Output is correct
14	Correct	6 ms	3156 KB	Output is correct
15	Correct	5 ms	3156 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	3156 KB	Output is correct
2	Correct	4 ms	3156 KB	Output is correct
3	Correct	4 ms	3156 KB	Output is correct
4	Correct	4 ms	3156 KB	Output is correct
5	Correct	5 ms	3156 KB	Output is correct
6	Correct	4 ms	3156 KB	Output is correct
7	Correct	4 ms	3156 KB	Output is correct
8	Correct	4 ms	3156 KB	Output is correct
9	Correct	4 ms	3156 KB	Output is correct
10	Correct	4 ms	3156 KB	Output is correct
11	Correct	4 ms	3156 KB	Output is correct
12	Correct	4 ms	3156 KB	Output is correct
13	Correct	4 ms	3156 KB	Output is correct
14	Correct	5 ms	3200 KB	Output is correct
15	Correct	5 ms	3200 KB	Output is correct
16	Correct	5 ms	3200 KB	Output is correct
17	Correct	5 ms	3200 KB	Output is correct
18	Correct	4 ms	3200 KB	Output is correct
19	Correct	4 ms	3200 KB	Output is correct
20	Correct	5 ms	3200 KB	Output is correct
21	Correct	4 ms	3200 KB	Output is correct
22	Correct	4 ms	3200 KB	Output is correct
23	Correct	6 ms	3200 KB	Output is correct
24	Correct	6 ms	3324 KB	Output is correct
25	Correct	5 ms	3324 KB	Output is correct
26	Correct	5 ms	3324 KB	Output is correct
27	Correct	5 ms	3324 KB	Output is correct
28	Correct	10 ms	3944 KB	Output is correct
29	Correct	20 ms	5592 KB	Output is correct
30	Correct	8 ms	5592 KB	Output is correct
31	Correct	14 ms	5592 KB	Output is correct
32	Correct	10 ms	5592 KB	Output is correct
33	Correct	38 ms	8060 KB	Output is correct
34	Correct	33 ms	8060 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8060 KB	Output is correct
2	Correct	4 ms	8060 KB	Output is correct
3	Correct	5 ms	8060 KB	Output is correct
4	Correct	4 ms	8060 KB	Output is correct
5	Correct	4 ms	8060 KB	Output is correct
6	Correct	4 ms	8060 KB	Output is correct
7	Correct	4 ms	8060 KB	Output is correct
8	Correct	4 ms	8060 KB	Output is correct
9	Correct	4 ms	8060 KB	Output is correct
10	Correct	4 ms	8060 KB	Output is correct
11	Correct	4 ms	8060 KB	Output is correct
12	Correct	4 ms	8060 KB	Output is correct
13	Correct	4 ms	8060 KB	Output is correct
14	Correct	5 ms	8060 KB	Output is correct
15	Correct	5 ms	8060 KB	Output is correct
16	Correct	4 ms	8060 KB	Output is correct
17	Correct	5 ms	8060 KB	Output is correct
18	Correct	4 ms	8060 KB	Output is correct
19	Correct	4 ms	8060 KB	Output is correct
20	Correct	5 ms	8060 KB	Output is correct
21	Correct	4 ms	8060 KB	Output is correct
22	Correct	5 ms	8060 KB	Output is correct
23	Correct	6 ms	8060 KB	Output is correct
24	Correct	6 ms	8060 KB	Output is correct
25	Correct	5 ms	8060 KB	Output is correct
26	Correct	5 ms	8060 KB	Output is correct
27	Correct	5 ms	8060 KB	Output is correct
28	Correct	10 ms	8060 KB	Output is correct
29	Correct	21 ms	8060 KB	Output is correct
30	Correct	8 ms	8060 KB	Output is correct
31	Correct	13 ms	8060 KB	Output is correct
32	Correct	10 ms	8060 KB	Output is correct
33	Correct	39 ms	8108 KB	Output is correct
34	Correct	21 ms	8108 KB	Output is correct
35	Correct	18 ms	8108 KB	Output is correct
36	Correct	6 ms	8108 KB	Output is correct
37	Correct	14 ms	8108 KB	Output is correct
38	Correct	15 ms	8108 KB	Output is correct
39	Correct	12 ms	8108 KB	Output is correct
40	Correct	13 ms	8108 KB	Output is correct
41	Correct	13 ms	8108 KB	Output is correct
42	Correct	10 ms	8108 KB	Output is correct
43	Correct	10 ms	8108 KB	Output is correct
44	Correct	18 ms	8108 KB	Output is correct
45	Correct	261 ms	23868 KB	Output is correct
46	Correct	113 ms	23868 KB	Output is correct

Subtask #5
0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	23868 KB	Output is correct
2	Correct	4 ms	23868 KB	Output is correct
3	Correct	4 ms	23868 KB	Output is correct
4	Correct	4 ms	23868 KB	Output is correct
5	Correct	4 ms	23868 KB	Output is correct
6	Correct	4 ms	23868 KB	Output is correct
7	Correct	4 ms	23868 KB	Output is correct
8	Correct	4 ms	23868 KB	Output is correct
9	Correct	4 ms	23868 KB	Output is correct
10	Correct	4 ms	23868 KB	Output is correct
11	Correct	4 ms	23868 KB	Output is correct
12	Correct	4 ms	23868 KB	Output is correct
13	Correct	5 ms	23868 KB	Output is correct
14	Correct	6 ms	23868 KB	Output is correct
15	Correct	5 ms	23868 KB	Output is correct
16	Correct	4 ms	23868 KB	Output is correct
17	Correct	5 ms	23868 KB	Output is correct
18	Correct	4 ms	23868 KB	Output is correct
19	Correct	4 ms	23868 KB	Output is correct
20	Correct	5 ms	23868 KB	Output is correct
21	Correct	4 ms	23868 KB	Output is correct
22	Correct	4 ms	23868 KB	Output is correct
23	Correct	5 ms	23868 KB	Output is correct
24	Correct	6 ms	23868 KB	Output is correct
25	Correct	5 ms	23868 KB	Output is correct
26	Correct	5 ms	23868 KB	Output is correct
27	Correct	6 ms	23868 KB	Output is correct
28	Correct	10 ms	23868 KB	Output is correct
29	Correct	20 ms	23868 KB	Output is correct
30	Correct	8 ms	23868 KB	Output is correct
31	Correct	14 ms	23868 KB	Output is correct
32	Correct	11 ms	23868 KB	Output is correct
33	Correct	37 ms	23868 KB	Output is correct
34	Correct	21 ms	23868 KB	Output is correct
35	Correct	19 ms	23868 KB	Output is correct
36	Correct	6 ms	23868 KB	Output is correct
37	Correct	13 ms	23868 KB	Output is correct
38	Correct	15 ms	23868 KB	Output is correct
39	Correct	13 ms	23868 KB	Output is correct
40	Correct	13 ms	23868 KB	Output is correct
41	Correct	17 ms	23868 KB	Output is correct
42	Correct	10 ms	23868 KB	Output is correct
43	Correct	11 ms	23868 KB	Output is correct
44	Correct	11 ms	23868 KB	Output is correct
45	Correct	273 ms	23868 KB	Output is correct
46	Correct	110 ms	23868 KB	Output is correct
47	Correct	14 ms	23868 KB	Output is correct
48	Correct	12 ms	23868 KB	Output is correct
49	Correct	12 ms	23868 KB	Output is correct
50	Correct	9 ms	23868 KB	Output is correct
51	Correct	33 ms	23868 KB	Output is correct
52	Correct	37 ms	23868 KB	Output is correct
53	Correct	17 ms	23868 KB	Output is correct
54	Correct	8 ms	23868 KB	Output is correct
55	Correct	9 ms	23868 KB	Output is correct
56	Correct	24 ms	23868 KB	Output is correct
57	Correct	5 ms	23868 KB	Output is correct
58	Correct	30 ms	23868 KB	Output is correct
59	Correct	25 ms	23868 KB	Output is correct
60	Correct	25 ms	23868 KB	Output is correct
61	Correct	26 ms	23868 KB	Output is correct
62	Correct	291 ms	24260 KB	Output is correct
63	Execution timed out	1080 ms	65140 KB	Time limit exceeded
64	Halted	0 ms	0 KB	-

답안 #52663

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