답안 #441712

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
441712	2021-07-05T21:25:38 Z	dutch	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	87 ms	4928 KB

skyscraper

#pragma GCC optimize("Ofast,unroll-loops")

#include <bits/stdc++.h>
using namespace std;
#define DIJKSTRA if(d[v] > dist + w) q.push({-(d[v] = dist + w), v})
 
const int SQRT = 2, MAXN = 3e4, INF = 2e9;
vector<array<int, 2>> g[MAXN*SQRT];
vector<int> h[MAXN];
int n, m, b, p, s, t, d[MAXN*SQRT];
 
signed main(){
	cin.tie(0)->sync_with_stdio(0);
	cin >> n >> m;
 
	for(int _=0; _<m; ++_){
		cin >> b >> p;
		if(_ == 0) s = b;
		if(_ == 1) t = b;
		int c = b * SQRT;
		if(p < SQRT) g[c].push_back({c+p, 0});
		else h[b].push_back(p);
	}
 
	priority_queue<array<int, 2>> q;
	fill(d, d+n*SQRT, INF);
	q.push({d[s*SQRT] = 0, s*SQRT});
 
	while(!q.empty()){
		int u = q.top()[1], dist = -q.top()[0];
		q.pop();
		if(dist != d[u]) continue;
		for(auto &[v, w] : g[u]) DIJKSTRA;
 
		int j = u % SQRT, v = u - j, w = 0;
		DIJKSTRA;
 
		for(int x : {-1, 1}){
			v = u+ x * j * SQRT, w = 1;
			if(0<=v && v<n*SQRT) DIJKSTRA;
		}
 
		if(j) continue;
		b = u / SQRT;
		for(int &k : h[b]) for(int i=b%k; i<n; i+=k){
			v = i*SQRT, w = abs(b-i)/k;
			DIJKSTRA;
		}
	}
 
	if(d[t*SQRT] == INF) d[t*SQRT] = -1;
	cout << d[t*SQRT];
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2380 KB	Output is correct
2	Correct	2 ms	2380 KB	Output is correct
3	Correct	2 ms	2380 KB	Output is correct
4	Correct	2 ms	2380 KB	Output is correct
5	Correct	2 ms	2380 KB	Output is correct
6	Correct	2 ms	2380 KB	Output is correct
7	Correct	2 ms	2380 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2380 KB	Output is correct
2	Correct	2 ms	2380 KB	Output is correct
3	Correct	2 ms	2380 KB	Output is correct
4	Correct	2 ms	2380 KB	Output is correct
5	Correct	2 ms	2380 KB	Output is correct
6	Correct	2 ms	2380 KB	Output is correct
7	Correct	2 ms	2380 KB	Output is correct
8	Correct	2 ms	2372 KB	Output is correct
9	Correct	2 ms	2380 KB	Output is correct
10	Correct	2 ms	2380 KB	Output is correct
11	Correct	2 ms	2380 KB	Output is correct
12	Correct	2 ms	2380 KB	Output is correct
13	Correct	2 ms	2380 KB	Output is correct
14	Correct	2 ms	2380 KB	Output is correct
15	Correct	2 ms	2380 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2380 KB	Output is correct
2	Correct	2 ms	2380 KB	Output is correct
3	Correct	2 ms	2380 KB	Output is correct
4	Correct	2 ms	2380 KB	Output is correct
5	Correct	2 ms	2380 KB	Output is correct
6	Correct	2 ms	2380 KB	Output is correct
7	Correct	2 ms	2380 KB	Output is correct
8	Correct	2 ms	2380 KB	Output is correct
9	Correct	2 ms	2380 KB	Output is correct
10	Correct	2 ms	2380 KB	Output is correct
11	Correct	2 ms	2380 KB	Output is correct
12	Correct	2 ms	2380 KB	Output is correct
13	Correct	2 ms	2380 KB	Output is correct
14	Correct	2 ms	2380 KB	Output is correct
15	Correct	2 ms	2380 KB	Output is correct
16	Correct	2 ms	2380 KB	Output is correct
17	Correct	3 ms	2380 KB	Output is correct
18	Correct	2 ms	2380 KB	Output is correct
19	Correct	2 ms	2380 KB	Output is correct
20	Correct	2 ms	2508 KB	Output is correct
21	Correct	2 ms	2380 KB	Output is correct
22	Correct	2 ms	2380 KB	Output is correct
23	Correct	2 ms	2380 KB	Output is correct
24	Correct	3 ms	2508 KB	Output is correct
25	Correct	3 ms	2508 KB	Output is correct
26	Correct	2 ms	2380 KB	Output is correct
27	Correct	2 ms	2380 KB	Output is correct
28	Correct	3 ms	2508 KB	Output is correct
29	Correct	3 ms	2508 KB	Output is correct
30	Correct	2 ms	2380 KB	Output is correct
31	Correct	3 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	4 ms	2636 KB	Output is correct
34	Correct	4 ms	2508 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2380 KB	Output is correct
2	Correct	2 ms	2380 KB	Output is correct
3	Correct	2 ms	2380 KB	Output is correct
4	Correct	2 ms	2380 KB	Output is correct
5	Correct	2 ms	2380 KB	Output is correct
6	Correct	2 ms	2380 KB	Output is correct
7	Correct	2 ms	2380 KB	Output is correct
8	Correct	2 ms	2380 KB	Output is correct
9	Correct	2 ms	2380 KB	Output is correct
10	Correct	2 ms	2380 KB	Output is correct
11	Correct	2 ms	2380 KB	Output is correct
12	Correct	2 ms	2380 KB	Output is correct
13	Correct	2 ms	2380 KB	Output is correct
14	Correct	2 ms	2380 KB	Output is correct
15	Correct	2 ms	2380 KB	Output is correct
16	Correct	2 ms	2380 KB	Output is correct
17	Correct	3 ms	2380 KB	Output is correct
18	Correct	4 ms	2380 KB	Output is correct
19	Correct	2 ms	2380 KB	Output is correct
20	Correct	2 ms	2508 KB	Output is correct
21	Correct	2 ms	2380 KB	Output is correct
22	Correct	2 ms	2380 KB	Output is correct
23	Correct	2 ms	2380 KB	Output is correct
24	Correct	3 ms	2508 KB	Output is correct
25	Correct	3 ms	2508 KB	Output is correct
26	Correct	3 ms	2380 KB	Output is correct
27	Correct	2 ms	2380 KB	Output is correct
28	Correct	3 ms	2508 KB	Output is correct
29	Correct	4 ms	2636 KB	Output is correct
30	Correct	2 ms	2508 KB	Output is correct
31	Correct	3 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	5 ms	2580 KB	Output is correct
34	Correct	4 ms	2480 KB	Output is correct
35	Correct	12 ms	2664 KB	Output is correct
36	Correct	3 ms	2508 KB	Output is correct
37	Correct	9 ms	2636 KB	Output is correct
38	Correct	11 ms	2764 KB	Output is correct
39	Correct	11 ms	2788 KB	Output is correct
40	Correct	12 ms	2764 KB	Output is correct
41	Correct	11 ms	2792 KB	Output is correct
42	Correct	7 ms	2784 KB	Output is correct
43	Correct	7 ms	2764 KB	Output is correct
44	Correct	7 ms	2804 KB	Output is correct
45	Correct	11 ms	2764 KB	Output is correct
46	Correct	11 ms	2764 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2380 KB	Output is correct
2	Correct	2 ms	2380 KB	Output is correct
3	Correct	2 ms	2380 KB	Output is correct
4	Correct	2 ms	2380 KB	Output is correct
5	Correct	2 ms	2380 KB	Output is correct
6	Correct	2 ms	2380 KB	Output is correct
7	Correct	2 ms	2380 KB	Output is correct
8	Correct	2 ms	2380 KB	Output is correct
9	Correct	2 ms	2380 KB	Output is correct
10	Correct	2 ms	2380 KB	Output is correct
11	Correct	2 ms	2380 KB	Output is correct
12	Correct	2 ms	2380 KB	Output is correct
13	Correct	2 ms	2380 KB	Output is correct
14	Correct	2 ms	2380 KB	Output is correct
15	Correct	2 ms	2380 KB	Output is correct
16	Correct	2 ms	2380 KB	Output is correct
17	Correct	3 ms	2380 KB	Output is correct
18	Correct	2 ms	2380 KB	Output is correct
19	Correct	2 ms	2380 KB	Output is correct
20	Correct	2 ms	2508 KB	Output is correct
21	Correct	2 ms	2380 KB	Output is correct
22	Correct	3 ms	2380 KB	Output is correct
23	Correct	3 ms	2496 KB	Output is correct
24	Correct	3 ms	2524 KB	Output is correct
25	Correct	3 ms	2508 KB	Output is correct
26	Correct	3 ms	2380 KB	Output is correct
27	Correct	2 ms	2380 KB	Output is correct
28	Correct	2 ms	2508 KB	Output is correct
29	Correct	3 ms	2508 KB	Output is correct
30	Correct	2 ms	2380 KB	Output is correct
31	Correct	3 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	4 ms	2560 KB	Output is correct
34	Correct	4 ms	2508 KB	Output is correct
35	Correct	10 ms	2636 KB	Output is correct
36	Correct	3 ms	2508 KB	Output is correct
37	Correct	9 ms	2696 KB	Output is correct
38	Correct	11 ms	2764 KB	Output is correct
39	Correct	12 ms	2756 KB	Output is correct
40	Correct	13 ms	2784 KB	Output is correct
41	Correct	12 ms	2764 KB	Output is correct
42	Correct	7 ms	2764 KB	Output is correct
43	Correct	7 ms	2764 KB	Output is correct
44	Correct	7 ms	2836 KB	Output is correct
45	Correct	11 ms	2764 KB	Output is correct
46	Correct	12 ms	2772 KB	Output is correct
47	Correct	24 ms	3480 KB	Output is correct
48	Correct	8 ms	2988 KB	Output is correct
49	Correct	8 ms	3020 KB	Output is correct
50	Correct	6 ms	2892 KB	Output is correct
51	Correct	27 ms	3860 KB	Output is correct
52	Correct	35 ms	3912 KB	Output is correct
53	Correct	18 ms	3532 KB	Output is correct
54	Correct	3 ms	2892 KB	Output is correct
55	Correct	4 ms	2892 KB	Output is correct
56	Correct	11 ms	3560 KB	Output is correct
57	Correct	87 ms	4928 KB	Output is correct
58	Correct	9 ms	3152 KB	Output is correct
59	Correct	12 ms	3152 KB	Output is correct
60	Correct	12 ms	3148 KB	Output is correct
61	Correct	12 ms	3156 KB	Output is correct
62	Correct	16 ms	3488 KB	Output is correct
63	Correct	34 ms	3536 KB	Output is correct
64	Correct	38 ms	3528 KB	Output is correct
65	Correct	47 ms	4044 KB	Output is correct
66	Correct	76 ms	4036 KB	Output is correct
67	Correct	81 ms	4036 KB	Output is correct

답안 #441712

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