답안 #163681

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
163681	2019-11-14T14:46:31 Z	Minnakhmetov	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	475 ms	74900 KB

skyscraper

#include <bits/stdc++.h>
    
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()
 
using namespace std;

struct E {
	int to, w;
};

const int N = 3e4 + 5, P = 70, V = N + N + N * P, INF = 1e9;
vector<E> g[N + N];
int d[V];

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);

    int n, m;
    cin >> n >> m;

    for (int i = 0; i < m; i++) {
    	int x, y;
    	cin >> x >> y;
    	g[m + x].push_back({i, 0});
    	g[i].push_back({m + x, 0});

    	if (y < P) {
    		g[i].push_back({n + m + x * P + y, 0});
    	}
    	else {
			int z = x - y, w = 1;
			while (z >= 0) {
				g[i].push_back({m + z, w});
				z -= y;
				w++;
			}
			z = x + y, w = 1;
			while (z < n) {
				g[i].push_back({m + z, w});
				z += y;
				w++;
			}
    	}
    }

    // for (int i = 0; i < n; i++) {
    // 	for (int j = 1; j < P; j++) {
    // 		int ver = n + m + i * P + j;
    // 		g[ver].push_back({m + i, 0});
    // 		if (i - j >= 0) {
    // 			g[ver].push_back({ver - j * P, 1});
    // 		}
    // 		if (i + j < n) {
    // 			g[ver].push_back({ver + j * P, 1});
    // 		}
    // 	}
    // }

    fill(d, d + V, INF);
    d[0] = 0;

    priority_queue<pair<int, int>, 
    			   vector<pair<int, int>>, 
    			   greater<pair<int, int>>> q;

    q.push({d[0], 0});

    while (!q.empty()) {
    	int node = q.top().second,
    		 cd = q.top().first;

    	q.pop();

    	if (cd != d[node])
    		continue;

    	if (node < n + m) {
			for (E e : g[node]) {
				if (d[e.to] > cd + e.w) {
					d[e.to] = cd + e.w;
					q.push({d[e.to], e.to});
				}
			}
    	}
    	else {
    		int x = (node - n - m) / P,
    			y = node - n - m - x * P;

    		if (d[m + x] > cd) {
    			d[m + x] = cd;
    			q.push({d[m + x], m + x});
    		}
    		if (x - y >= 0 && d[node - y * P] > cd + 1) {
    			d[node - y * P] = cd + 1;
    			q.push({d[node - y * P], node - y * P});
    		}
    		if (x + y < n && d[node + y * P] > cd + 1) {
    			d[node + y * P] = cd + 1;
    			q.push({d[node + y * P], node + y * P});
    		}
    	}
    }

    cout << (d[1] < INF ? d[1] : -1);

    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	10232 KB	Output is correct
2	Correct	11 ms	10232 KB	Output is correct
3	Correct	11 ms	10232 KB	Output is correct
4	Correct	11 ms	10232 KB	Output is correct
5	Correct	11 ms	10232 KB	Output is correct
6	Correct	11 ms	10232 KB	Output is correct
7	Correct	11 ms	10232 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	10232 KB	Output is correct
2	Correct	11 ms	10236 KB	Output is correct
3	Correct	10 ms	10232 KB	Output is correct
4	Correct	11 ms	10164 KB	Output is correct
5	Correct	11 ms	10232 KB	Output is correct
6	Correct	11 ms	10232 KB	Output is correct
7	Correct	11 ms	10232 KB	Output is correct
8	Correct	11 ms	10236 KB	Output is correct
9	Correct	11 ms	10232 KB	Output is correct
10	Correct	11 ms	10232 KB	Output is correct
11	Correct	12 ms	10360 KB	Output is correct
12	Correct	12 ms	10360 KB	Output is correct
13	Correct	12 ms	10360 KB	Output is correct
14	Correct	13 ms	10360 KB	Output is correct
15	Correct	13 ms	10360 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	10232 KB	Output is correct
2	Correct	11 ms	10232 KB	Output is correct
3	Correct	11 ms	10204 KB	Output is correct
4	Correct	11 ms	10232 KB	Output is correct
5	Correct	11 ms	10232 KB	Output is correct
6	Correct	11 ms	10232 KB	Output is correct
7	Correct	11 ms	10232 KB	Output is correct
8	Correct	11 ms	10232 KB	Output is correct
9	Correct	12 ms	10232 KB	Output is correct
10	Correct	12 ms	10232 KB	Output is correct
11	Correct	13 ms	10364 KB	Output is correct
12	Correct	12 ms	10360 KB	Output is correct
13	Correct	12 ms	10360 KB	Output is correct
14	Correct	13 ms	10360 KB	Output is correct
15	Correct	13 ms	10360 KB	Output is correct
16	Correct	11 ms	10232 KB	Output is correct
17	Correct	13 ms	10360 KB	Output is correct
18	Correct	11 ms	10360 KB	Output is correct
19	Correct	11 ms	10232 KB	Output is correct
20	Correct	12 ms	10364 KB	Output is correct
21	Correct	12 ms	10232 KB	Output is correct
22	Correct	11 ms	10232 KB	Output is correct
23	Correct	12 ms	10268 KB	Output is correct
24	Correct	14 ms	10360 KB	Output is correct
25	Correct	12 ms	10360 KB	Output is correct
26	Correct	12 ms	10360 KB	Output is correct
27	Correct	12 ms	10360 KB	Output is correct
28	Correct	14 ms	10360 KB	Output is correct
29	Correct	18 ms	10232 KB	Output is correct
30	Correct	12 ms	10236 KB	Output is correct
31	Correct	15 ms	10236 KB	Output is correct
32	Correct	14 ms	10232 KB	Output is correct
33	Correct	26 ms	10360 KB	Output is correct
34	Correct	26 ms	10360 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	10232 KB	Output is correct
2	Correct	10 ms	10232 KB	Output is correct
3	Correct	11 ms	10232 KB	Output is correct
4	Correct	11 ms	10232 KB	Output is correct
5	Correct	10 ms	10232 KB	Output is correct
6	Correct	11 ms	10232 KB	Output is correct
7	Correct	11 ms	10204 KB	Output is correct
8	Correct	11 ms	10232 KB	Output is correct
9	Correct	12 ms	10232 KB	Output is correct
10	Correct	11 ms	10204 KB	Output is correct
11	Correct	12 ms	10360 KB	Output is correct
12	Correct	12 ms	10232 KB	Output is correct
13	Correct	12 ms	10360 KB	Output is correct
14	Correct	13 ms	10360 KB	Output is correct
15	Correct	13 ms	10360 KB	Output is correct
16	Correct	11 ms	10232 KB	Output is correct
17	Correct	13 ms	10360 KB	Output is correct
18	Correct	11 ms	10360 KB	Output is correct
19	Correct	11 ms	10232 KB	Output is correct
20	Correct	12 ms	10360 KB	Output is correct
21	Correct	2 ms	10232 KB	Output is correct
22	Correct	11 ms	10232 KB	Output is correct
23	Correct	12 ms	10232 KB	Output is correct
24	Correct	13 ms	10360 KB	Output is correct
25	Correct	12 ms	10360 KB	Output is correct
26	Correct	13 ms	10360 KB	Output is correct
27	Correct	12 ms	10360 KB	Output is correct
28	Correct	13 ms	10360 KB	Output is correct
29	Correct	18 ms	10232 KB	Output is correct
30	Correct	13 ms	10232 KB	Output is correct
31	Correct	15 ms	10232 KB	Output is correct
32	Correct	14 ms	10232 KB	Output is correct
33	Correct	26 ms	10360 KB	Output is correct
34	Correct	26 ms	10360 KB	Output is correct
35	Correct	34 ms	11896 KB	Output is correct
36	Correct	14 ms	10488 KB	Output is correct
37	Correct	37 ms	12024 KB	Output is correct
38	Correct	41 ms	12152 KB	Output is correct
39	Correct	41 ms	12152 KB	Output is correct
40	Correct	42 ms	12152 KB	Output is correct
41	Correct	41 ms	12176 KB	Output is correct
42	Correct	24 ms	11892 KB	Output is correct
43	Correct	24 ms	11892 KB	Output is correct
44	Correct	25 ms	11764 KB	Output is correct
45	Correct	58 ms	15092 KB	Output is correct
46	Correct	59 ms	15096 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	10232 KB	Output is correct
2	Correct	11 ms	10236 KB	Output is correct
3	Correct	11 ms	10232 KB	Output is correct
4	Correct	11 ms	10232 KB	Output is correct
5	Correct	11 ms	10232 KB	Output is correct
6	Correct	11 ms	10232 KB	Output is correct
7	Correct	11 ms	10232 KB	Output is correct
8	Correct	11 ms	10232 KB	Output is correct
9	Correct	11 ms	10232 KB	Output is correct
10	Correct	11 ms	10232 KB	Output is correct
11	Correct	13 ms	10360 KB	Output is correct
12	Correct	12 ms	10360 KB	Output is correct
13	Correct	12 ms	10360 KB	Output is correct
14	Correct	13 ms	10332 KB	Output is correct
15	Correct	12 ms	10360 KB	Output is correct
16	Correct	11 ms	10232 KB	Output is correct
17	Correct	14 ms	10360 KB	Output is correct
18	Correct	11 ms	10232 KB	Output is correct
19	Correct	11 ms	10232 KB	Output is correct
20	Correct	12 ms	10360 KB	Output is correct
21	Correct	11 ms	10236 KB	Output is correct
22	Correct	11 ms	10232 KB	Output is correct
23	Correct	12 ms	10232 KB	Output is correct
24	Correct	14 ms	10360 KB	Output is correct
25	Correct	13 ms	10360 KB	Output is correct
26	Correct	13 ms	10360 KB	Output is correct
27	Correct	12 ms	10360 KB	Output is correct
28	Correct	14 ms	10360 KB	Output is correct
29	Correct	18 ms	10232 KB	Output is correct
30	Correct	13 ms	10232 KB	Output is correct
31	Correct	24 ms	10232 KB	Output is correct
32	Correct	14 ms	10232 KB	Output is correct
33	Correct	26 ms	10360 KB	Output is correct
34	Correct	26 ms	10360 KB	Output is correct
35	Correct	34 ms	11768 KB	Output is correct
36	Correct	16 ms	10488 KB	Output is correct
37	Correct	38 ms	12024 KB	Output is correct
38	Correct	42 ms	12156 KB	Output is correct
39	Correct	43 ms	12124 KB	Output is correct
40	Correct	42 ms	12152 KB	Output is correct
41	Correct	42 ms	12152 KB	Output is correct
42	Correct	25 ms	12020 KB	Output is correct
43	Correct	24 ms	11856 KB	Output is correct
44	Correct	25 ms	11764 KB	Output is correct
45	Correct	56 ms	15096 KB	Output is correct
46	Correct	67 ms	15096 KB	Output is correct
47	Correct	104 ms	16376 KB	Output is correct
48	Correct	27 ms	12408 KB	Output is correct
49	Correct	26 ms	12280 KB	Output is correct
50	Correct	22 ms	11768 KB	Output is correct
51	Correct	81 ms	13688 KB	Output is correct
52	Correct	184 ms	13816 KB	Output is correct
53	Correct	39 ms	11768 KB	Output is correct
54	Correct	12 ms	10232 KB	Output is correct
55	Correct	13 ms	10232 KB	Output is correct
56	Correct	32 ms	12024 KB	Output is correct
57	Correct	93 ms	10408 KB	Output is correct
58	Correct	28 ms	11892 KB	Output is correct
59	Correct	36 ms	11892 KB	Output is correct
60	Correct	38 ms	12404 KB	Output is correct
61	Correct	33 ms	12148 KB	Output is correct
62	Correct	63 ms	14712 KB	Output is correct
63	Correct	121 ms	37332 KB	Output is correct
64	Correct	136 ms	45036 KB	Output is correct
65	Correct	204 ms	56616 KB	Output is correct
66	Correct	475 ms	74860 KB	Output is correct
67	Correct	471 ms	74900 KB	Output is correct

답안 #163681

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