답안 #48488 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
48488	2018-05-14T13:17:40 Z	Kmcode	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	834 ms	176180 KB

skyscraper

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

int n;
int m;

map<pair<int, int>, vector<int> > mp;
vector<pair<int, int> > bs;
vector<int> con;
vector<int> dist;

vector<int> g[300002];

deque<int> q;

int main() {
	cin >> n >> m;
	for (int i = 0; i < n; i++)bs.push_back(make_pair(-1, -1));
	for (int i = 0; i < n; i++)con.push_back(-1);
	for (int i = 0; i < n; i++)dist.push_back(-1);
	int idx = n;
	int star = -1;
	int en = -1;
	for (int i = 0; i < m; i++) {
		int b, p;
		scanf("%d%d", &b, &p);
		if (i == 0)star = b;
		if (i == 1)en = b;
		pair<int, int> base = make_pair(b%p, p);
		if (!mp.count(base)) {
			mp[base].clear();
			auto &v = mp[base];
			for (int pos = base.first; pos < n; pos += p) {
				v.push_back(idx);
				idx++;
				bs.push_back(base);
				con.push_back(pos);
				dist.push_back(-1);
			}
		}
		int ID = (b - base.first) / p;
		g[b].push_back(mp[base][ID]);
	}
	dist[star] = 0;
	q.push_back(star);
	while (!q.empty()) {
		int b = q.front();
		q.pop_front();
		if (b < n) {
			for (int go : g[b]) {
				if (dist[go] == -1) {
					dist[go] = dist[b];
					q.push_front(go);
				}
			}
		}
		else {
			if (con[b] != -1) {
				if (dist[con[b]] == -1) {
					dist[con[b]] = dist[b];
					q.push_front(con[b]);
				}
			}
			
				if (bs[b] == bs[b - 1]&&dist[b-1]==-1) {
					dist[b - 1] = dist[b] + 1;
					q.push_back(b - 1);
				}
				if (b + 1 < bs.size() && bs[b] == bs[b + 1] && dist[b + 1] == -1) {
					dist[b + 1] = dist[b] + 1;
					q.push_back(b + 1);
				}
		}
	}
	printf("%d\n", dist[en]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:69:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (b + 1 < bs.size() && bs[b] == bs[b + 1] && dist[b + 1] == -1) {
         ~~~~~~^~~~~~~~~~~
skyscraper.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &b, &p);
   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	7288 KB	Output is correct
2	Correct	7 ms	7400 KB	Output is correct
3	Correct	7 ms	7480 KB	Output is correct
4	Correct	8 ms	7620 KB	Output is correct
5	Correct	7 ms	7620 KB	Output is correct
6	Correct	7 ms	7620 KB	Output is correct
7	Correct	7 ms	7620 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	7664 KB	Output is correct
2	Correct	7 ms	7692 KB	Output is correct
3	Correct	7 ms	7696 KB	Output is correct
4	Correct	7 ms	7696 KB	Output is correct
5	Correct	7 ms	7704 KB	Output is correct
6	Correct	7 ms	7704 KB	Output is correct
7	Correct	7 ms	7704 KB	Output is correct
8	Correct	7 ms	7716 KB	Output is correct
9	Correct	7 ms	7716 KB	Output is correct
10	Correct	7 ms	7852 KB	Output is correct
11	Correct	9 ms	8048 KB	Output is correct
12	Correct	7 ms	8048 KB	Output is correct
13	Correct	8 ms	8048 KB	Output is correct
14	Correct	10 ms	8048 KB	Output is correct
15	Correct	9 ms	8048 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	8048 KB	Output is correct
2	Correct	7 ms	8048 KB	Output is correct
3	Correct	7 ms	8048 KB	Output is correct
4	Correct	8 ms	8048 KB	Output is correct
5	Correct	7 ms	8048 KB	Output is correct
6	Correct	7 ms	8048 KB	Output is correct
7	Correct	7 ms	8048 KB	Output is correct
8	Correct	7 ms	8048 KB	Output is correct
9	Correct	7 ms	8048 KB	Output is correct
10	Correct	8 ms	8048 KB	Output is correct
11	Correct	10 ms	8100 KB	Output is correct
12	Correct	8 ms	8100 KB	Output is correct
13	Correct	8 ms	8100 KB	Output is correct
14	Correct	13 ms	8236 KB	Output is correct
15	Correct	10 ms	8248 KB	Output is correct
16	Correct	8 ms	8248 KB	Output is correct
17	Correct	10 ms	8348 KB	Output is correct
18	Correct	9 ms	8348 KB	Output is correct
19	Correct	8 ms	8348 KB	Output is correct
20	Correct	8 ms	8348 KB	Output is correct
21	Correct	9 ms	8348 KB	Output is correct
22	Correct	8 ms	8348 KB	Output is correct
23	Correct	9 ms	8348 KB	Output is correct
24	Correct	10 ms	8508 KB	Output is correct
25	Correct	10 ms	8508 KB	Output is correct
26	Correct	9 ms	8508 KB	Output is correct
27	Correct	8 ms	8508 KB	Output is correct
28	Correct	12 ms	8756 KB	Output is correct
29	Correct	12 ms	9480 KB	Output is correct
30	Correct	8 ms	9480 KB	Output is correct
31	Correct	10 ms	9480 KB	Output is correct
32	Correct	10 ms	9480 KB	Output is correct
33	Correct	16 ms	11036 KB	Output is correct
34	Correct	16 ms	11052 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	11052 KB	Output is correct
2	Correct	7 ms	11052 KB	Output is correct
3	Correct	7 ms	11052 KB	Output is correct
4	Correct	7 ms	11052 KB	Output is correct
5	Correct	7 ms	11052 KB	Output is correct
6	Correct	7 ms	11052 KB	Output is correct
7	Correct	8 ms	11052 KB	Output is correct
8	Correct	7 ms	11052 KB	Output is correct
9	Correct	7 ms	11052 KB	Output is correct
10	Correct	7 ms	11052 KB	Output is correct
11	Correct	9 ms	11052 KB	Output is correct
12	Correct	7 ms	11052 KB	Output is correct
13	Correct	7 ms	11052 KB	Output is correct
14	Correct	12 ms	11052 KB	Output is correct
15	Correct	9 ms	11052 KB	Output is correct
16	Correct	8 ms	11052 KB	Output is correct
17	Correct	10 ms	11052 KB	Output is correct
18	Correct	11 ms	11052 KB	Output is correct
19	Correct	8 ms	11052 KB	Output is correct
20	Correct	8 ms	11052 KB	Output is correct
21	Correct	9 ms	11052 KB	Output is correct
22	Correct	8 ms	11052 KB	Output is correct
23	Correct	9 ms	11052 KB	Output is correct
24	Correct	10 ms	11052 KB	Output is correct
25	Correct	11 ms	11052 KB	Output is correct
26	Correct	8 ms	11052 KB	Output is correct
27	Correct	8 ms	11052 KB	Output is correct
28	Correct	11 ms	11052 KB	Output is correct
29	Correct	12 ms	11052 KB	Output is correct
30	Correct	8 ms	11052 KB	Output is correct
31	Correct	10 ms	11052 KB	Output is correct
32	Correct	10 ms	11052 KB	Output is correct
33	Correct	17 ms	11296 KB	Output is correct
34	Correct	17 ms	11376 KB	Output is correct
35	Correct	50 ms	13568 KB	Output is correct
36	Correct	14 ms	13568 KB	Output is correct
37	Correct	54 ms	14564 KB	Output is correct
38	Correct	68 ms	15788 KB	Output is correct
39	Correct	64 ms	16036 KB	Output is correct
40	Correct	63 ms	16316 KB	Output is correct
41	Correct	64 ms	16532 KB	Output is correct
42	Correct	14 ms	16532 KB	Output is correct
43	Correct	14 ms	16532 KB	Output is correct
44	Correct	14 ms	16532 KB	Output is correct
45	Correct	90 ms	24228 KB	Output is correct
46	Correct	93 ms	24392 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	24392 KB	Output is correct
2	Correct	7 ms	24392 KB	Output is correct
3	Correct	7 ms	24392 KB	Output is correct
4	Correct	7 ms	24392 KB	Output is correct
5	Correct	7 ms	24392 KB	Output is correct
6	Correct	7 ms	24392 KB	Output is correct
7	Correct	7 ms	24392 KB	Output is correct
8	Correct	7 ms	24392 KB	Output is correct
9	Correct	7 ms	24392 KB	Output is correct
10	Correct	8 ms	24392 KB	Output is correct
11	Correct	9 ms	24392 KB	Output is correct
12	Correct	7 ms	24392 KB	Output is correct
13	Correct	8 ms	24392 KB	Output is correct
14	Correct	9 ms	24392 KB	Output is correct
15	Correct	10 ms	24392 KB	Output is correct
16	Correct	8 ms	24392 KB	Output is correct
17	Correct	10 ms	24392 KB	Output is correct
18	Correct	9 ms	24392 KB	Output is correct
19	Correct	8 ms	24392 KB	Output is correct
20	Correct	8 ms	24392 KB	Output is correct
21	Correct	8 ms	24392 KB	Output is correct
22	Correct	8 ms	24392 KB	Output is correct
23	Correct	9 ms	24392 KB	Output is correct
24	Correct	11 ms	24392 KB	Output is correct
25	Correct	10 ms	24392 KB	Output is correct
26	Correct	8 ms	24392 KB	Output is correct
27	Correct	8 ms	24392 KB	Output is correct
28	Correct	11 ms	24392 KB	Output is correct
29	Correct	11 ms	24392 KB	Output is correct
30	Correct	8 ms	24392 KB	Output is correct
31	Correct	10 ms	24392 KB	Output is correct
32	Correct	9 ms	24392 KB	Output is correct
33	Correct	17 ms	24392 KB	Output is correct
34	Correct	17 ms	24392 KB	Output is correct
35	Correct	51 ms	24392 KB	Output is correct
36	Correct	14 ms	24392 KB	Output is correct
37	Correct	49 ms	24392 KB	Output is correct
38	Correct	64 ms	24392 KB	Output is correct
39	Correct	63 ms	24392 KB	Output is correct
40	Correct	63 ms	24392 KB	Output is correct
41	Correct	63 ms	24392 KB	Output is correct
42	Correct	15 ms	24392 KB	Output is correct
43	Correct	14 ms	24392 KB	Output is correct
44	Correct	14 ms	24392 KB	Output is correct
45	Correct	88 ms	27072 KB	Output is correct
46	Correct	90 ms	27284 KB	Output is correct
47	Correct	121 ms	34524 KB	Output is correct
48	Correct	51 ms	34524 KB	Output is correct
49	Correct	46 ms	34524 KB	Output is correct
50	Correct	35 ms	34524 KB	Output is correct
51	Correct	89 ms	34524 KB	Output is correct
52	Correct	92 ms	34524 KB	Output is correct
53	Correct	60 ms	34524 KB	Output is correct
54	Correct	9 ms	34524 KB	Output is correct
55	Correct	11 ms	34524 KB	Output is correct
56	Correct	21 ms	34524 KB	Output is correct
57	Correct	38 ms	34524 KB	Output is correct
58	Correct	16 ms	34524 KB	Output is correct
59	Correct	19 ms	34524 KB	Output is correct
60	Correct	22 ms	34524 KB	Output is correct
61	Correct	24 ms	34524 KB	Output is correct
62	Correct	86 ms	34524 KB	Output is correct
63	Correct	288 ms	86112 KB	Output is correct
64	Correct	338 ms	94524 KB	Output is correct
65	Correct	473 ms	114252 KB	Output is correct
66	Correct	834 ms	176108 KB	Output is correct
67	Correct	828 ms	176180 KB	Output is correct

답안 #48488

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