답안 #21975 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
21975	2017-04-28T08:10:25 Z	Hiasat	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	333 ms	113844 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ll, int> plli;
typedef pair<double, double> pdd;
typedef pair<string, int> psi;

const int MOD = 1e9 + 7;

const ll oo = 1e15;

typedef long long ll;

int n , m;

pii d[30010];

bitset<30010> vis[30010];

vector<int> dogs[30010];


int main() {
 	//freopen("input.txt","r",stdin);
	scanf("%d%d",&n,&m);
	for (int i = 0; i < m; ++i){
		scanf("%d%d",&d[i].first,&d[i].second);
		dogs[d[i].first].push_back(d[i].second);
	}
	for (int i = 1; i <= n; ++i){
		sort(dogs[i].begin(),dogs[i].end());
		dogs[i].resize(unique(dogs[i].begin(),dogs[i].end()) - dogs[i].begin());
	}
	deque< pair<int , pii > > q;
	vis[d[0].first][d[0].second] = 1;
	q.push_front(make_pair(0,make_pair(d[0].first,d[0].second)));
	while(!q.empty()){
		pair<int , pii > src = q.front();
		if(src.second.first == d[1].first){
			printf("%d\n", src.first);
			return 0;
		}
		q.pop_front();
		for (int i = 0; i < dogs[src.second.first].size(); ++i){
			int nw = dogs[src.second.first][i];
			if(vis[src.second.first][nw])
				continue;
			vis[src.second.first][nw] = 1;
			q.push_front(make_pair(src.first,make_pair(src.second.first,nw)));
		}
		for(int i = -1 ; i <= 1 ; i+= 2){
			int nw = src.second.first + src.second.second* i;
			if(nw < 0 || nw >= n)
				continue;
			if(vis[nw][src.second.second])
				continue;
			vis[nw][src.second.second]=1;
			q.push_back(make_pair(1 + src.first,make_pair(nw,src.second.second)));
		}
	}
	puts("-1");
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:48:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < dogs[src.second.first].size(); ++i){
                     ^
skyscraper.cpp:29:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
skyscraper.cpp:31:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&d[i].first,&d[i].second);
                                         ^

Subtask #1
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	112920 KB	Output is correct
2	Correct	112920 KB	Output is correct
3	Correct	112920 KB	Output is correct
4	Correct	112920 KB	Output is correct
5	Correct	112920 KB	Output is correct
6	Correct	112920 KB	Output is correct
7	Correct	112920 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	112920 KB	Output is correct
2	Correct	112920 KB	Output is correct
3	Correct	112920 KB	Output is correct
4	Correct	112920 KB	Output is correct
5	Correct	112920 KB	Output is correct
6	Correct	112920 KB	Output is correct
7	Correct	112920 KB	Output is correct
8	Correct	112920 KB	Output is correct
9	Correct	112920 KB	Output is correct
10	Correct	112920 KB	Output is correct
11	Correct	112920 KB	Output is correct
12	Correct	112920 KB	Output is correct
13	Correct	112920 KB	Output is correct
14	Correct	112920 KB	Output is correct
15	Correct	112920 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	112920 KB	Output is correct
2	Correct	0 ms	112920 KB	Output is correct
3	Correct	0 ms	112920 KB	Output is correct
4	Correct	0 ms	112920 KB	Output is correct
5	Correct	0 ms	112920 KB	Output is correct
6	Correct	0 ms	112920 KB	Output is correct
7	Correct	0 ms	112920 KB	Output is correct
8	Correct	0 ms	112920 KB	Output is correct
9	Correct	0 ms	112920 KB	Output is correct
10	Correct	0 ms	112920 KB	Output is correct
11	Correct	0 ms	112920 KB	Output is correct
12	Correct	0 ms	112920 KB	Output is correct
13	Correct	0 ms	112920 KB	Output is correct
14	Correct	0 ms	112920 KB	Output is correct
15	Correct	0 ms	112920 KB	Output is correct
16	Correct	0 ms	112920 KB	Output is correct
17	Correct	0 ms	112920 KB	Output is correct
18	Correct	0 ms	112920 KB	Output is correct
19	Correct	0 ms	112920 KB	Output is correct
20	Correct	0 ms	113052 KB	Output is correct
21	Correct	0 ms	112920 KB	Output is correct
22	Correct	0 ms	112920 KB	Output is correct
23	Correct	3 ms	112920 KB	Output is correct
24	Correct	3 ms	112920 KB	Output is correct
25	Correct	0 ms	112920 KB	Output is correct
26	Correct	3 ms	112920 KB	Output is correct
27	Correct	0 ms	112920 KB	Output is correct
28	Correct	6 ms	113052 KB	Output is correct
29	Correct	6 ms	112920 KB	Output is correct
30	Correct	0 ms	112920 KB	Output is correct
31	Correct	0 ms	112920 KB	Output is correct
32	Correct	0 ms	112920 KB	Output is correct
33	Correct	3 ms	112920 KB	Output is correct
34	Correct	3 ms	112920 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	112920 KB	Output is correct
2	Correct	0 ms	112920 KB	Output is correct
3	Correct	0 ms	112920 KB	Output is correct
4	Correct	0 ms	112920 KB	Output is correct
5	Correct	0 ms	112920 KB	Output is correct
6	Correct	0 ms	112920 KB	Output is correct
7	Correct	0 ms	112920 KB	Output is correct
8	Correct	0 ms	112920 KB	Output is correct
9	Correct	0 ms	112920 KB	Output is correct
10	Correct	0 ms	112920 KB	Output is correct
11	Correct	0 ms	112920 KB	Output is correct
12	Correct	0 ms	112920 KB	Output is correct
13	Correct	0 ms	112920 KB	Output is correct
14	Correct	0 ms	112920 KB	Output is correct
15	Correct	0 ms	112920 KB	Output is correct
16	Correct	0 ms	112920 KB	Output is correct
17	Correct	3 ms	112920 KB	Output is correct
18	Correct	0 ms	112920 KB	Output is correct
19	Correct	0 ms	112920 KB	Output is correct
20	Correct	0 ms	113052 KB	Output is correct
21	Correct	0 ms	112920 KB	Output is correct
22	Correct	0 ms	112920 KB	Output is correct
23	Correct	0 ms	112920 KB	Output is correct
24	Correct	0 ms	112920 KB	Output is correct
25	Correct	0 ms	112920 KB	Output is correct
26	Correct	3 ms	112920 KB	Output is correct
27	Correct	0 ms	112920 KB	Output is correct
28	Correct	6 ms	113052 KB	Output is correct
29	Correct	3 ms	112920 KB	Output is correct
30	Correct	3 ms	112920 KB	Output is correct
31	Correct	0 ms	112920 KB	Output is correct
32	Correct	3 ms	112920 KB	Output is correct
33	Correct	0 ms	112920 KB	Output is correct
34	Correct	0 ms	112920 KB	Output is correct
35	Correct	13 ms	113316 KB	Output is correct
36	Correct	0 ms	113052 KB	Output is correct
37	Correct	6 ms	113316 KB	Output is correct
38	Correct	13 ms	113456 KB	Output is correct
39	Correct	9 ms	113184 KB	Output is correct
40	Correct	13 ms	113184 KB	Output is correct
41	Correct	9 ms	113184 KB	Output is correct
42	Correct	9 ms	113196 KB	Output is correct
43	Correct	6 ms	113196 KB	Output is correct
44	Correct	9 ms	113192 KB	Output is correct
45	Correct	43 ms	113448 KB	Output is correct
46	Correct	29 ms	113448 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	112920 KB	Output is correct
2	Correct	0 ms	112920 KB	Output is correct
3	Correct	0 ms	112920 KB	Output is correct
4	Correct	0 ms	112920 KB	Output is correct
5	Correct	0 ms	112920 KB	Output is correct
6	Correct	0 ms	112920 KB	Output is correct
7	Correct	0 ms	112920 KB	Output is correct
8	Correct	0 ms	112920 KB	Output is correct
9	Correct	0 ms	112920 KB	Output is correct
10	Correct	0 ms	112920 KB	Output is correct
11	Correct	0 ms	112920 KB	Output is correct
12	Correct	0 ms	112920 KB	Output is correct
13	Correct	0 ms	112920 KB	Output is correct
14	Correct	0 ms	112920 KB	Output is correct
15	Correct	0 ms	112920 KB	Output is correct
16	Correct	0 ms	112920 KB	Output is correct
17	Correct	0 ms	112920 KB	Output is correct
18	Correct	0 ms	112920 KB	Output is correct
19	Correct	0 ms	112920 KB	Output is correct
20	Correct	0 ms	113052 KB	Output is correct
21	Correct	0 ms	112920 KB	Output is correct
22	Correct	0 ms	112920 KB	Output is correct
23	Correct	3 ms	112920 KB	Output is correct
24	Correct	0 ms	112920 KB	Output is correct
25	Correct	0 ms	112920 KB	Output is correct
26	Correct	0 ms	112920 KB	Output is correct
27	Correct	0 ms	112920 KB	Output is correct
28	Correct	3 ms	113052 KB	Output is correct
29	Correct	6 ms	112920 KB	Output is correct
30	Correct	0 ms	112920 KB	Output is correct
31	Correct	6 ms	112920 KB	Output is correct
32	Correct	3 ms	112920 KB	Output is correct
33	Correct	6 ms	112920 KB	Output is correct
34	Correct	3 ms	112920 KB	Output is correct
35	Correct	16 ms	113316 KB	Output is correct
36	Correct	3 ms	113052 KB	Output is correct
37	Correct	16 ms	113316 KB	Output is correct
38	Correct	16 ms	113456 KB	Output is correct
39	Correct	3 ms	113184 KB	Output is correct
40	Correct	13 ms	113184 KB	Output is correct
41	Correct	16 ms	113184 KB	Output is correct
42	Correct	9 ms	113196 KB	Output is correct
43	Correct	3 ms	113196 KB	Output is correct
44	Correct	6 ms	113192 KB	Output is correct
45	Correct	39 ms	113448 KB	Output is correct
46	Correct	29 ms	113448 KB	Output is correct
47	Correct	16 ms	113448 KB	Output is correct
48	Correct	9 ms	113448 KB	Output is correct
49	Correct	13 ms	113448 KB	Output is correct
50	Correct	6 ms	113316 KB	Output is correct
51	Correct	33 ms	113580 KB	Output is correct
52	Correct	53 ms	113580 KB	Output is correct
53	Correct	6 ms	113580 KB	Output is correct
54	Correct	13 ms	112920 KB	Output is correct
55	Correct	9 ms	112920 KB	Output is correct
56	Correct	26 ms	113844 KB	Output is correct
57	Correct	3 ms	113052 KB	Output is correct
58	Correct	33 ms	113192 KB	Output is correct
59	Correct	19 ms	113192 KB	Output is correct
60	Correct	29 ms	113200 KB	Output is correct
61	Correct	36 ms	113208 KB	Output is correct
62	Correct	59 ms	113844 KB	Output is correct
63	Correct	146 ms	113448 KB	Output is correct
64	Correct	136 ms	113316 KB	Output is correct
65	Correct	186 ms	113448 KB	Output is correct
66	Correct	333 ms	113448 KB	Output is correct
67	Correct	179 ms	113444 KB	Output is correct

답안 #21975

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