답안 #24038

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
24038 2017-05-29T20:33:16 Z Nirjhor 꿈 (IOI13_dreaming) C++14
47 / 100
112 ms 14656 KB
#include <bits/stdc++.h>
#include "dreaming.h"

using namespace std;

typedef pair <int, int> edge;

#define to first
#define cost second

const int MAX = 123456;

bitset <MAX> vis;
vector <edge> g[MAX];
int maxDist, at;
edge par[MAX];

void dfs (int u, int from, int far, int flag) {
	if (flag) {
		vis[u] = 1;
	}
	if (far > maxDist) {
		maxDist = far;
		at = u;
	}
	for (edge e : g[u]) {
		if (e.to == from) continue;
		if (flag) {
			par[e.to] = edge(u, e.cost);
		}
		dfs(e.to, u, far + e.cost, flag);
	}
}

int travelTime (int N, int M, int L, int A[], int B[], int T[]) {
	for (int i = 0; i < M; ++i) {
		g[A[i]].emplace_back(B[i], T[i]);
		g[B[i]].emplace_back(A[i], T[i]);
	}
	vector <int> R;
	int ret = 0;
	for (int i = 0; i < N; ++i) {
		if (vis[i]) continue;
		maxDist = -1;
		dfs(i, i, 0, 0);
		int one = at;
		maxDist = -1;
		dfs(one, one, 0, 1);
		int two = at;
		ret = max(ret, maxDist);
		int half = maxDist >> 1;
		int radius = 0;
		for (int v = two; v != one; v = par[v].to) {
			radius += par[v].cost;
			if (radius > half) {
				radius = min(radius, maxDist - radius + par[v].cost);
				break;
			}
		}
		R.push_back(radius);
	}
	sort(R.rbegin(), R.rend());
	if (R.size() > 1) ret = max(ret, R[0] + R[1] + L);
	return ret;
}

# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 13560 KB Output is correct
2 Correct 57 ms 13560 KB Output is correct
3 Correct 40 ms 10104 KB Output is correct
4 Correct 12 ms 4736 KB Output is correct
5 Correct 10 ms 4096 KB Output is correct
6 Correct 17 ms 5504 KB Output is correct
7 Correct 4 ms 3200 KB Output is correct
8 Correct 29 ms 6776 KB Output is correct
9 Correct 37 ms 8312 KB Output is correct
10 Correct 4 ms 3328 KB Output is correct
11 Correct 56 ms 9848 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 5 ms 3328 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 13560 KB Output is correct
2 Correct 57 ms 13560 KB Output is correct
3 Correct 40 ms 10104 KB Output is correct
4 Correct 12 ms 4736 KB Output is correct
5 Correct 10 ms 4096 KB Output is correct
6 Correct 17 ms 5504 KB Output is correct
7 Correct 4 ms 3200 KB Output is correct
8 Correct 29 ms 6776 KB Output is correct
9 Correct 37 ms 8312 KB Output is correct
10 Correct 4 ms 3328 KB Output is correct
11 Correct 56 ms 9848 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 5 ms 3328 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 4 ms 3200 KB Output is correct
16 Correct 4 ms 3200 KB Output is correct
17 Correct 4 ms 3200 KB Output is correct
18 Correct 5 ms 3328 KB Output is correct
19 Correct 4 ms 3328 KB Output is correct
20 Correct 4 ms 3328 KB Output is correct
21 Correct 4 ms 3328 KB Output is correct
22 Correct 5 ms 3328 KB Output is correct
23 Correct 4 ms 3328 KB Output is correct
24 Correct 4 ms 3200 KB Output is correct
25 Correct 4 ms 3328 KB Output is correct
26 Correct 4 ms 3328 KB Output is correct
27 Correct 5 ms 3200 KB Output is correct
28 Correct 5 ms 3200 KB Output is correct
29 Correct 5 ms 3200 KB Output is correct
30 Correct 6 ms 3328 KB Output is correct
31 Correct 1 ms 3328 KB Output is correct
32 Correct 5 ms 3328 KB Output is correct
33 Correct 4 ms 3328 KB Output is correct
34 Correct 4 ms 3328 KB Output is correct
35 Correct 4 ms 3200 KB Output is correct
36 Correct 5 ms 3328 KB Output is correct
37 Correct 6 ms 3328 KB Output is correct
38 Correct 5 ms 3328 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 13560 KB Output is correct
2 Correct 57 ms 13560 KB Output is correct
3 Correct 40 ms 10104 KB Output is correct
4 Correct 12 ms 4736 KB Output is correct
5 Correct 10 ms 4096 KB Output is correct
6 Correct 17 ms 5504 KB Output is correct
7 Correct 4 ms 3200 KB Output is correct
8 Correct 29 ms 6776 KB Output is correct
9 Correct 37 ms 8312 KB Output is correct
10 Correct 4 ms 3328 KB Output is correct
11 Correct 56 ms 9848 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 5 ms 3328 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 4 ms 3200 KB Output is correct
16 Correct 4 ms 3200 KB Output is correct
17 Correct 4 ms 3200 KB Output is correct
18 Correct 5 ms 3328 KB Output is correct
19 Correct 4 ms 3328 KB Output is correct
20 Correct 4 ms 3328 KB Output is correct
21 Correct 4 ms 3328 KB Output is correct
22 Correct 5 ms 3328 KB Output is correct
23 Correct 4 ms 3328 KB Output is correct
24 Correct 4 ms 3200 KB Output is correct
25 Correct 4 ms 3328 KB Output is correct
26 Correct 4 ms 3328 KB Output is correct
27 Correct 5 ms 3200 KB Output is correct
28 Correct 5 ms 3200 KB Output is correct
29 Correct 5 ms 3200 KB Output is correct
30 Correct 6 ms 3328 KB Output is correct
31 Correct 1 ms 3328 KB Output is correct
32 Correct 5 ms 3328 KB Output is correct
33 Correct 4 ms 3328 KB Output is correct
34 Correct 4 ms 3328 KB Output is correct
35 Correct 4 ms 3200 KB Output is correct
36 Correct 5 ms 3328 KB Output is correct
37 Correct 6 ms 3328 KB Output is correct
38 Correct 5 ms 3328 KB Output is correct
39 Correct 57 ms 13560 KB Output is correct
40 Correct 68 ms 13540 KB Output is correct
41 Correct 43 ms 10104 KB Output is correct
42 Correct 11 ms 4736 KB Output is correct
43 Correct 7 ms 3200 KB Output is correct
44 Correct 4 ms 3328 KB Output is correct
45 Correct 4 ms 3200 KB Output is correct
46 Correct 4 ms 3328 KB Output is correct
47 Correct 4 ms 3328 KB Output is correct
48 Correct 4 ms 3200 KB Output is correct
49 Correct 4 ms 3196 KB Output is correct
50 Correct 4 ms 3328 KB Output is correct
51 Correct 7 ms 3200 KB Output is correct
52 Correct 5 ms 3200 KB Output is correct
53 Correct 5 ms 3328 KB Output is correct
54 Correct 4 ms 3404 KB Output is correct
55 Correct 4 ms 3328 KB Output is correct
56 Correct 4 ms 3200 KB Output is correct
57 Correct 78 ms 9208 KB Output is correct
58 Correct 70 ms 9208 KB Output is correct
59 Correct 91 ms 9216 KB Output is correct
60 Correct 72 ms 9208 KB Output is correct
61 Correct 71 ms 9096 KB Output is correct
62 Correct 70 ms 9080 KB Output is correct
63 Correct 62 ms 8956 KB Output is correct
64 Correct 64 ms 8952 KB Output is correct
65 Correct 64 ms 8952 KB Output is correct
66 Correct 65 ms 8824 KB Output is correct
67 Correct 85 ms 9128 KB Output is correct
68 Correct 87 ms 9080 KB Output is correct
69 Correct 81 ms 9208 KB Output is correct
70 Correct 112 ms 9180 KB Output is correct
71 Correct 5 ms 3200 KB Output is correct
72 Correct 6 ms 3456 KB Output is correct
73 Correct 5 ms 3456 KB Output is correct
74 Correct 5 ms 3456 KB Output is correct
75 Correct 6 ms 3456 KB Output is correct
76 Correct 6 ms 3456 KB Output is correct
77 Correct 6 ms 3456 KB Output is correct
78 Correct 5 ms 3456 KB Output is correct
79 Correct 6 ms 3456 KB Output is correct
80 Correct 73 ms 9052 KB Output is correct
81 Correct 90 ms 9040 KB Output is correct
82 Correct 72 ms 9052 KB Output is correct
83 Correct 68 ms 8996 KB Output is correct
84 Correct 5 ms 3456 KB Output is correct
85 Correct 5 ms 3328 KB Output is correct
86 Correct 5 ms 3328 KB Output is correct
87 Correct 6 ms 3456 KB Output is correct
88 Correct 5 ms 3456 KB Output is correct
89 Correct 5 ms 3328 KB Output is correct
90 Correct 5 ms 3456 KB Output is correct
91 Correct 5 ms 3456 KB Output is correct
92 Correct 5 ms 3328 KB Output is correct
93 Correct 5 ms 3456 KB Output is correct
94 Correct 4 ms 3200 KB Output is correct
95 Correct 4 ms 3200 KB Output is correct
96 Correct 4 ms 3200 KB Output is correct
97 Correct 4 ms 3200 KB Output is correct
98 Correct 4 ms 3200 KB Output is correct
99 Correct 4 ms 3200 KB Output is correct
100 Correct 4 ms 3200 KB Output is correct
101 Correct 4 ms 3200 KB Output is correct
102 Correct 4 ms 3200 KB Output is correct
103 Correct 4 ms 3328 KB Output is correct
104 Correct 10 ms 4096 KB Output is correct
105 Correct 17 ms 5504 KB Output is correct
106 Correct 5 ms 3328 KB Output is correct
107 Correct 31 ms 6828 KB Output is correct
108 Correct 38 ms 8312 KB Output is correct
109 Correct 5 ms 3328 KB Output is correct
110 Correct 55 ms 9848 KB Output is correct
111 Correct 56 ms 11640 KB Output is correct
112 Correct 5 ms 3328 KB Output is correct
113 Correct 108 ms 14656 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 6648 KB Output is correct
2 Incorrect 27 ms 6648 KB Output isn't correct
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 13560 KB Output is correct
2 Correct 57 ms 13560 KB Output is correct
3 Correct 40 ms 10104 KB Output is correct
4 Correct 12 ms 4736 KB Output is correct
5 Correct 10 ms 4096 KB Output is correct
6 Correct 17 ms 5504 KB Output is correct
7 Correct 4 ms 3200 KB Output is correct
8 Correct 29 ms 6776 KB Output is correct
9 Correct 37 ms 8312 KB Output is correct
10 Correct 4 ms 3328 KB Output is correct
11 Correct 56 ms 9848 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 5 ms 3328 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 4 ms 3328 KB Output is correct
16 Correct 6 ms 3328 KB Output is correct
17 Correct 4 ms 3328 KB Output is correct
18 Correct 5 ms 3328 KB Output is correct
19 Correct 5 ms 3328 KB Output is correct
20 Incorrect 4 ms 3328 KB Output isn't correct
21 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 13560 KB Output is correct
2 Correct 57 ms 13560 KB Output is correct
3 Correct 40 ms 10104 KB Output is correct
4 Correct 12 ms 4736 KB Output is correct
5 Correct 10 ms 4096 KB Output is correct
6 Correct 17 ms 5504 KB Output is correct
7 Correct 4 ms 3200 KB Output is correct
8 Correct 29 ms 6776 KB Output is correct
9 Correct 37 ms 8312 KB Output is correct
10 Correct 4 ms 3328 KB Output is correct
11 Correct 56 ms 9848 KB Output is correct
12 Correct 59 ms 11640 KB Output is correct
13 Correct 5 ms 3328 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 4 ms 3200 KB Output is correct
16 Correct 4 ms 3200 KB Output is correct
17 Correct 4 ms 3200 KB Output is correct
18 Correct 5 ms 3328 KB Output is correct
19 Correct 4 ms 3328 KB Output is correct
20 Correct 4 ms 3328 KB Output is correct
21 Correct 4 ms 3328 KB Output is correct
22 Correct 5 ms 3328 KB Output is correct
23 Correct 4 ms 3328 KB Output is correct
24 Correct 4 ms 3200 KB Output is correct
25 Correct 4 ms 3328 KB Output is correct
26 Correct 4 ms 3328 KB Output is correct
27 Correct 5 ms 3200 KB Output is correct
28 Correct 5 ms 3200 KB Output is correct
29 Correct 5 ms 3200 KB Output is correct
30 Correct 6 ms 3328 KB Output is correct
31 Correct 1 ms 3328 KB Output is correct
32 Correct 5 ms 3328 KB Output is correct
33 Correct 4 ms 3328 KB Output is correct
34 Correct 4 ms 3328 KB Output is correct
35 Correct 4 ms 3200 KB Output is correct
36 Correct 5 ms 3328 KB Output is correct
37 Correct 6 ms 3328 KB Output is correct
38 Correct 5 ms 3328 KB Output is correct
39 Correct 57 ms 13560 KB Output is correct
40 Correct 68 ms 13540 KB Output is correct
41 Correct 43 ms 10104 KB Output is correct
42 Correct 11 ms 4736 KB Output is correct
43 Correct 7 ms 3200 KB Output is correct
44 Correct 4 ms 3328 KB Output is correct
45 Correct 4 ms 3200 KB Output is correct
46 Correct 4 ms 3328 KB Output is correct
47 Correct 4 ms 3328 KB Output is correct
48 Correct 4 ms 3200 KB Output is correct
49 Correct 4 ms 3196 KB Output is correct
50 Correct 4 ms 3328 KB Output is correct
51 Correct 7 ms 3200 KB Output is correct
52 Correct 5 ms 3200 KB Output is correct
53 Correct 5 ms 3328 KB Output is correct
54 Correct 4 ms 3404 KB Output is correct
55 Correct 4 ms 3328 KB Output is correct
56 Correct 4 ms 3200 KB Output is correct
57 Correct 78 ms 9208 KB Output is correct
58 Correct 70 ms 9208 KB Output is correct
59 Correct 91 ms 9216 KB Output is correct
60 Correct 72 ms 9208 KB Output is correct
61 Correct 71 ms 9096 KB Output is correct
62 Correct 70 ms 9080 KB Output is correct
63 Correct 62 ms 8956 KB Output is correct
64 Correct 64 ms 8952 KB Output is correct
65 Correct 64 ms 8952 KB Output is correct
66 Correct 65 ms 8824 KB Output is correct
67 Correct 85 ms 9128 KB Output is correct
68 Correct 87 ms 9080 KB Output is correct
69 Correct 81 ms 9208 KB Output is correct
70 Correct 112 ms 9180 KB Output is correct
71 Correct 5 ms 3200 KB Output is correct
72 Correct 6 ms 3456 KB Output is correct
73 Correct 5 ms 3456 KB Output is correct
74 Correct 5 ms 3456 KB Output is correct
75 Correct 6 ms 3456 KB Output is correct
76 Correct 6 ms 3456 KB Output is correct
77 Correct 6 ms 3456 KB Output is correct
78 Correct 5 ms 3456 KB Output is correct
79 Correct 6 ms 3456 KB Output is correct
80 Correct 73 ms 9052 KB Output is correct
81 Correct 90 ms 9040 KB Output is correct
82 Correct 72 ms 9052 KB Output is correct
83 Correct 68 ms 8996 KB Output is correct
84 Correct 5 ms 3456 KB Output is correct
85 Correct 5 ms 3328 KB Output is correct
86 Correct 5 ms 3328 KB Output is correct
87 Correct 6 ms 3456 KB Output is correct
88 Correct 5 ms 3456 KB Output is correct
89 Correct 5 ms 3328 KB Output is correct
90 Correct 5 ms 3456 KB Output is correct
91 Correct 5 ms 3456 KB Output is correct
92 Correct 5 ms 3328 KB Output is correct
93 Correct 5 ms 3456 KB Output is correct
94 Correct 4 ms 3200 KB Output is correct
95 Correct 4 ms 3200 KB Output is correct
96 Correct 4 ms 3200 KB Output is correct
97 Correct 4 ms 3200 KB Output is correct
98 Correct 4 ms 3200 KB Output is correct
99 Correct 4 ms 3200 KB Output is correct
100 Correct 4 ms 3200 KB Output is correct
101 Correct 4 ms 3200 KB Output is correct
102 Correct 4 ms 3200 KB Output is correct
103 Correct 4 ms 3328 KB Output is correct
104 Correct 10 ms 4096 KB Output is correct
105 Correct 17 ms 5504 KB Output is correct
106 Correct 5 ms 3328 KB Output is correct
107 Correct 31 ms 6828 KB Output is correct
108 Correct 38 ms 8312 KB Output is correct
109 Correct 5 ms 3328 KB Output is correct
110 Correct 55 ms 9848 KB Output is correct
111 Correct 56 ms 11640 KB Output is correct
112 Correct 5 ms 3328 KB Output is correct
113 Correct 108 ms 14656 KB Output is correct
114 Correct 30 ms 6648 KB Output is correct
115 Incorrect 27 ms 6648 KB Output isn't correct
116 Halted 0 ms 0 KB -