답안 #14435

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
14435 2015-05-15T01:12:14 Z ainta Jakarta Skyscrapers (APIO15_skyscraper) C++
100 / 100
193 ms 137992 KB
#include<stdio.h>
#include<algorithm>
#include<vector>
#include<map>
#define N_ 7600000
using namespace std;
int n, m, Num[N_], D[N_], Q1[N_], Q2[N_];
vector<int>E[30100];
map<int, int>Map;
bool be[N_], ed[N_];
struct A{
	int a, b;
}w[30100];
int cnt;
void Make(int a, int b, int x){
	int i;
	be[cnt + 1] = true;
	for (i = b; i < n; i += a){
		++cnt;
		Num[cnt] = i;
		if (x == i) E[x].push_back(cnt);
	}
	ed[cnt] = true;
}
void BFS(int a){
	int i, h = 0, t = 0, tt = 0, x;
	for (i = 0; i <= cnt; i++)D[i] = 999999999;
	D[a] = 0;
	Q1[++t] = a;
	while (t){
		while (h < t){
			x = Q1[++h];
			if (x<n){
				for (i = 0; i<E[x].size(); i++){
					if (D[E[x][i]] > D[x]){
						D[E[x][i]] = D[x];
						Q1[++t] = E[x][i];
					}
				}
			}
			else{
				if (D[Num[x]] > D[x]){
					D[Num[x]] = D[x];
					Q1[++t] = Num[x];
				}
			}
		}
		tt = 0;
		for (i = 1; i <= t; i++){
			if (Q1[i]<n)continue;
			x = Q1[i];
			if (!be[x] && D[x - 1] >D[x] + 1){
				D[x - 1] = D[x] + 1;
				Q2[++tt] = x - 1;
			}
			if (!ed[x] && D[x + 1] > D[x] + 1){
				D[x + 1] = D[x] + 1;
				Q2[++tt] = x + 1;
			}
		}
		for (i = 1; i <= tt; i++)Q1[i] = Q2[i];
		t = tt;
		h = 0;
	}
}
int main(){
	int i, p1, p2, t;
	scanf("%d%d", &n, &m);
	cnt = n;
	for (i = 1; i <= m; i++){
		scanf("%d%d", &w[i].a, &w[i].b);
		t = w[i].b * 30100 + (w[i].a%w[i].b);
		if (!Map[t]){
			Map[t] = cnt + 1;
			Make(w[i].b, w[i].a%w[i].b, w[i].a);
		}
		else{
			E[w[i].a].push_back(Map[t] + w[i].a / w[i].b);
		}
	}
	p1 = w[1].a, p2 = w[2].a;
	BFS(p1);
	printf("%d\n", D[p2] == 999999999 ? -1 : D[p2]);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 135748 KB Output is correct
2 Correct 0 ms 135748 KB Output is correct
3 Correct 0 ms 135748 KB Output is correct
4 Correct 0 ms 135748 KB Output is correct
5 Correct 0 ms 135748 KB Output is correct
6 Correct 0 ms 135748 KB Output is correct
7 Correct 0 ms 135748 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 135748 KB Output is correct
2 Correct 0 ms 135748 KB Output is correct
3 Correct 0 ms 135748 KB Output is correct
4 Correct 0 ms 135748 KB Output is correct
5 Correct 0 ms 135748 KB Output is correct
6 Correct 0 ms 135748 KB Output is correct
7 Correct 0 ms 135748 KB Output is correct
8 Correct 0 ms 135748 KB Output is correct
9 Correct 0 ms 135748 KB Output is correct
10 Correct 0 ms 135748 KB Output is correct
11 Correct 3 ms 135748 KB Output is correct
12 Correct 0 ms 135748 KB Output is correct
13 Correct 2 ms 135748 KB Output is correct
14 Correct 0 ms 135748 KB Output is correct
15 Correct 0 ms 135748 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 135748 KB Output is correct
2 Correct 0 ms 135748 KB Output is correct
3 Correct 0 ms 135748 KB Output is correct
4 Correct 0 ms 135748 KB Output is correct
5 Correct 0 ms 135748 KB Output is correct
6 Correct 0 ms 135748 KB Output is correct
7 Correct 0 ms 135748 KB Output is correct
8 Correct 0 ms 135748 KB Output is correct
9 Correct 0 ms 135748 KB Output is correct
10 Correct 0 ms 135748 KB Output is correct
11 Correct 0 ms 135748 KB Output is correct
12 Correct 0 ms 135748 KB Output is correct
13 Correct 0 ms 135748 KB Output is correct
14 Correct 0 ms 135748 KB Output is correct
15 Correct 2 ms 135748 KB Output is correct
16 Correct 2 ms 135748 KB Output is correct
17 Correct 0 ms 135748 KB Output is correct
18 Correct 2 ms 135748 KB Output is correct
19 Correct 0 ms 135748 KB Output is correct
20 Correct 0 ms 135748 KB Output is correct
21 Correct 0 ms 135748 KB Output is correct
22 Correct 0 ms 135748 KB Output is correct
23 Correct 0 ms 135748 KB Output is correct
24 Correct 2 ms 135748 KB Output is correct
25 Correct 0 ms 135880 KB Output is correct
26 Correct 0 ms 135748 KB Output is correct
27 Correct 0 ms 135748 KB Output is correct
28 Correct 0 ms 135880 KB Output is correct
29 Correct 0 ms 135748 KB Output is correct
30 Correct 0 ms 135748 KB Output is correct
31 Correct 0 ms 135748 KB Output is correct
32 Correct 0 ms 135748 KB Output is correct
33 Correct 2 ms 135748 KB Output is correct
34 Correct 5 ms 135748 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 135748 KB Output is correct
2 Correct 0 ms 135748 KB Output is correct
3 Correct 0 ms 135748 KB Output is correct
4 Correct 0 ms 135748 KB Output is correct
5 Correct 0 ms 135748 KB Output is correct
6 Correct 0 ms 135748 KB Output is correct
7 Correct 0 ms 135748 KB Output is correct
8 Correct 0 ms 135748 KB Output is correct
9 Correct 0 ms 135748 KB Output is correct
10 Correct 0 ms 135748 KB Output is correct
11 Correct 3 ms 135748 KB Output is correct
12 Correct 0 ms 135748 KB Output is correct
13 Correct 0 ms 135748 KB Output is correct
14 Correct 3 ms 135748 KB Output is correct
15 Correct 0 ms 135748 KB Output is correct
16 Correct 0 ms 135748 KB Output is correct
17 Correct 2 ms 135748 KB Output is correct
18 Correct 0 ms 135748 KB Output is correct
19 Correct 0 ms 135748 KB Output is correct
20 Correct 0 ms 135748 KB Output is correct
21 Correct 0 ms 135748 KB Output is correct
22 Correct 0 ms 135748 KB Output is correct
23 Correct 3 ms 135748 KB Output is correct
24 Correct 0 ms 135748 KB Output is correct
25 Correct 2 ms 135880 KB Output is correct
26 Correct 0 ms 135748 KB Output is correct
27 Correct 0 ms 135748 KB Output is correct
28 Correct 3 ms 135880 KB Output is correct
29 Correct 3 ms 135748 KB Output is correct
30 Correct 0 ms 135748 KB Output is correct
31 Correct 0 ms 135748 KB Output is correct
32 Correct 0 ms 135748 KB Output is correct
33 Correct 2 ms 135748 KB Output is correct
34 Correct 0 ms 135748 KB Output is correct
35 Correct 23 ms 137068 KB Output is correct
36 Correct 2 ms 136012 KB Output is correct
37 Correct 12 ms 136672 KB Output is correct
38 Correct 31 ms 137332 KB Output is correct
39 Correct 22 ms 137332 KB Output is correct
40 Correct 29 ms 137332 KB Output is correct
41 Correct 26 ms 137332 KB Output is correct
42 Correct 4 ms 135884 KB Output is correct
43 Correct 9 ms 135892 KB Output is correct
44 Correct 6 ms 135880 KB Output is correct
45 Correct 30 ms 137332 KB Output is correct
46 Correct 36 ms 137332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 135748 KB Output is correct
2 Correct 0 ms 135748 KB Output is correct
3 Correct 0 ms 135748 KB Output is correct
4 Correct 0 ms 135748 KB Output is correct
5 Correct 0 ms 135748 KB Output is correct
6 Correct 0 ms 135748 KB Output is correct
7 Correct 0 ms 135748 KB Output is correct
8 Correct 0 ms 135748 KB Output is correct
9 Correct 0 ms 135748 KB Output is correct
10 Correct 0 ms 135748 KB Output is correct
11 Correct 0 ms 135748 KB Output is correct
12 Correct 0 ms 135748 KB Output is correct
13 Correct 0 ms 135748 KB Output is correct
14 Correct 2 ms 135748 KB Output is correct
15 Correct 3 ms 135748 KB Output is correct
16 Correct 0 ms 135748 KB Output is correct
17 Correct 0 ms 135748 KB Output is correct
18 Correct 0 ms 135748 KB Output is correct
19 Correct 0 ms 135748 KB Output is correct
20 Correct 3 ms 135748 KB Output is correct
21 Correct 3 ms 135748 KB Output is correct
22 Correct 2 ms 135748 KB Output is correct
23 Correct 0 ms 135748 KB Output is correct
24 Correct 2 ms 135748 KB Output is correct
25 Correct 0 ms 135880 KB Output is correct
26 Correct 3 ms 135748 KB Output is correct
27 Correct 0 ms 135748 KB Output is correct
28 Correct 2 ms 135880 KB Output is correct
29 Correct 0 ms 135748 KB Output is correct
30 Correct 0 ms 135748 KB Output is correct
31 Correct 0 ms 135748 KB Output is correct
32 Correct 0 ms 135748 KB Output is correct
33 Correct 5 ms 135748 KB Output is correct
34 Correct 0 ms 135748 KB Output is correct
35 Correct 20 ms 137068 KB Output is correct
36 Correct 0 ms 136012 KB Output is correct
37 Correct 22 ms 136672 KB Output is correct
38 Correct 32 ms 137332 KB Output is correct
39 Correct 28 ms 137332 KB Output is correct
40 Correct 28 ms 137332 KB Output is correct
41 Correct 24 ms 137332 KB Output is correct
42 Correct 9 ms 135884 KB Output is correct
43 Correct 9 ms 135892 KB Output is correct
44 Correct 9 ms 135880 KB Output is correct
45 Correct 25 ms 137332 KB Output is correct
46 Correct 28 ms 137332 KB Output is correct
47 Correct 41 ms 137200 KB Output is correct
48 Correct 25 ms 137200 KB Output is correct
49 Correct 22 ms 137068 KB Output is correct
50 Correct 15 ms 136804 KB Output is correct
51 Correct 38 ms 137728 KB Output is correct
52 Correct 34 ms 137728 KB Output is correct
53 Correct 27 ms 137728 KB Output is correct
54 Correct 0 ms 135748 KB Output is correct
55 Correct 2 ms 135748 KB Output is correct
56 Correct 10 ms 136672 KB Output is correct
57 Correct 12 ms 135748 KB Output is correct
58 Correct 7 ms 135880 KB Output is correct
59 Correct 6 ms 135880 KB Output is correct
60 Correct 0 ms 135896 KB Output is correct
61 Correct 13 ms 136040 KB Output is correct
62 Correct 34 ms 137992 KB Output is correct
63 Correct 71 ms 137332 KB Output is correct
64 Correct 83 ms 137332 KB Output is correct
65 Correct 116 ms 137332 KB Output is correct
66 Correct 193 ms 137332 KB Output is correct
67 Correct 188 ms 137332 KB Output is correct