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답안 #307306

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
307306 2020-09-27T15:32:43 Z zoember Traffic (IOI10_traffic) C++11
50 / 100
 610 ms 149024 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long

const int MAXN = 1e6, MAXN2 = 2e9+1;
int total = 0, ans = MAXN2;
vector<int> adj[MAXN], biggest(MAXN);

int dfs(int vertex, int parent, int p[]) {
	int cnt = 0, maxcon = 0;
	for(int next: adj[vertex]) {
		if(next != parent) {
			int curr = dfs(next, vertex, p);
			maxcon = max(maxcon, curr);
			cnt += curr;
		}
	}
	maxcon = max(maxcon, total-p[vertex]-maxcon);
	biggest[vertex] = maxcon;
	cnt += p[vertex];
	return cnt;
}

int LocateCentre(int n, int p[], int s[], int d[]) {
	for(int i=0; i<(n-1); i++) {
		adj[s[i]].push_back(d[i]);
		adj[d[i]].push_back(s[i]);
	}
	for(int i=0; i<n; i++) {
		total += p[i];
	}
	dfs(0, -1, p);
	int res = 0;
	for(int i=0; i<n; i++) {
		if(biggest[i] < ans) {
			res = i;
			ans = biggest[i];
		}
	}
	return res;
}

//int main() {
////	freopen("hayfeast.in", "r", stdin);
////	freopen("hayfeast.out", "w", stdout);
//	ios_base::sync_with_stdio(false); 
//    cin.tie(NULL); cout.tie(NULL);
//    int n; 
//    cin >> n;
//    int p[n] = {0}, s[n] = {0}, d[n] = {0};
//    for(int i=0; i<n; i++) {
//    	cin >> p[i];
//	}
//	for(int i=0; i<(n-1); i++) {
//		cin >> s[i];
//	}
//	for(int i=0; i<(n-1); i++) {
//		cin >> d[i];
//	}
//	LocateCentre(n, p, s, d);
//}

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 19 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 19 ms 27776 KB Output is correct
6 Correct 20 ms 27776 KB Output is correct
7 Correct 19 ms 27768 KB Output is correct
8 Correct 20 ms 27776 KB Output is correct
9 Correct 20 ms 27776 KB Output is correct
10 Correct 20 ms 27776 KB Output is correct
11 Correct 19 ms 27776 KB Output is correct
12 Correct 19 ms 27776 KB Output is correct
13 Correct 19 ms 27776 KB Output is correct
14 Correct 19 ms 27776 KB Output is correct
15 Correct 18 ms 27776 KB Output is correct
16 Correct 20 ms 27776 KB Output is correct
17 Correct 19 ms 27776 KB Output is correct
18 Correct 21 ms 27776 KB Output is correct
19 Correct 19 ms 27776 KB Output is correct
20 Correct 19 ms 27776 KB Output is correct
21 Correct 19 ms 27776 KB Output is correct
22 Correct 20 ms 27776 KB Output is correct
23 Correct 19 ms 27776 KB Output is correct
24 Correct 20 ms 27776 KB Output is correct
25 Correct 20 ms 27776 KB Output is correct
26 Correct 19 ms 27776 KB Output is correct
27 Correct 20 ms 27776 KB Output is correct
28 Correct 20 ms 27776 KB Output is correct
29 Correct 20 ms 27776 KB Output is correct
30 Correct 19 ms 27776 KB Output is correct
31 Correct 20 ms 27776 KB Output is correct
32 Correct 20 ms 27776 KB Output is correct
33 Correct 20 ms 27776 KB Output is correct
34 Correct 20 ms 27776 KB Output is correct
35 Correct 19 ms 27776 KB Output is correct
36 Correct 20 ms 27776 KB Output is correct
37 Correct 20 ms 27776 KB Output is correct
38 Correct 20 ms 27776 KB Output is correct
39 Correct 20 ms 27776 KB Output is correct
40 Correct 20 ms 27904 KB Output is correct
41 Correct 20 ms 27904 KB Output is correct
42 Correct 20 ms 27904 KB Output is correct
43 Correct 20 ms 27776 KB Output is correct
44 Correct 19 ms 27776 KB Output is correct
45 Correct 20 ms 27776 KB Output is correct
46 Correct 20 ms 27772 KB Output is correct
47 Correct 20 ms 27776 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 19 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 19 ms 27776 KB Output is correct
6 Correct 20 ms 27776 KB Output is correct
7 Correct 19 ms 27768 KB Output is correct
8 Correct 20 ms 27776 KB Output is correct
9 Correct 20 ms 27776 KB Output is correct
10 Correct 20 ms 27776 KB Output is correct
11 Correct 19 ms 27776 KB Output is correct
12 Correct 19 ms 27776 KB Output is correct
13 Correct 19 ms 27776 KB Output is correct
14 Correct 19 ms 27776 KB Output is correct
15 Correct 18 ms 27776 KB Output is correct
16 Correct 20 ms 27776 KB Output is correct
17 Correct 19 ms 27776 KB Output is correct
18 Correct 21 ms 27776 KB Output is correct
19 Correct 19 ms 27776 KB Output is correct
20 Correct 19 ms 27776 KB Output is correct
21 Correct 19 ms 27776 KB Output is correct
22 Correct 20 ms 27776 KB Output is correct
23 Correct 19 ms 27776 KB Output is correct
24 Correct 20 ms 27776 KB Output is correct
25 Correct 20 ms 27776 KB Output is correct
26 Correct 19 ms 27776 KB Output is correct
27 Correct 20 ms 27776 KB Output is correct
28 Correct 20 ms 27776 KB Output is correct
29 Correct 20 ms 27776 KB Output is correct
30 Correct 19 ms 27776 KB Output is correct
31 Correct 20 ms 27776 KB Output is correct
32 Correct 20 ms 27776 KB Output is correct
33 Correct 20 ms 27776 KB Output is correct
34 Correct 20 ms 27776 KB Output is correct
35 Correct 19 ms 27776 KB Output is correct
36 Correct 20 ms 27776 KB Output is correct
37 Correct 20 ms 27776 KB Output is correct
38 Correct 20 ms 27776 KB Output is correct
39 Correct 20 ms 27776 KB Output is correct
40 Correct 20 ms 27904 KB Output is correct
41 Correct 20 ms 27904 KB Output is correct
42 Correct 20 ms 27904 KB Output is correct
43 Correct 20 ms 27776 KB Output is correct
44 Correct 19 ms 27776 KB Output is correct
45 Correct 20 ms 27776 KB Output is correct
46 Correct 20 ms 27772 KB Output is correct
47 Correct 20 ms 27776 KB Output is correct
48 Correct 20 ms 27808 KB Output is correct
49 Correct 19 ms 27776 KB Output is correct
50 Correct 22 ms 27776 KB Output is correct
51 Correct 20 ms 27776 KB Output is correct
52 Correct 19 ms 27776 KB Output is correct
53 Correct 19 ms 27776 KB Output is correct
54 Correct 19 ms 27776 KB Output is correct
55 Correct 19 ms 27768 KB Output is correct
56 Correct 19 ms 27776 KB Output is correct
57 Correct 20 ms 27776 KB Output is correct
58 Correct 19 ms 27776 KB Output is correct
59 Correct 19 ms 27904 KB Output is correct
60 Correct 19 ms 27776 KB Output is correct
61 Correct 20 ms 27776 KB Output is correct
62 Correct 19 ms 27776 KB Output is correct
63 Correct 20 ms 27776 KB Output is correct
64 Correct 19 ms 27776 KB Output is correct
65 Correct 20 ms 27776 KB Output is correct
66 Correct 19 ms 27776 KB Output is correct
67 Correct 19 ms 27776 KB Output is correct
68 Correct 48 ms 33788 KB Output is correct
69 Correct 77 ms 39800 KB Output is correct
70 Correct 20 ms 27776 KB Output is correct
71 Correct 106 ms 45944 KB Output is correct
72 Correct 136 ms 51960 KB Output is correct
73 Correct 161 ms 58104 KB Output is correct
74 Correct 193 ms 64120 KB Output is correct
75 Correct 226 ms 70264 KB Output is correct
76 Correct 250 ms 76408 KB Output is correct
77 Correct 286 ms 82296 KB Output is correct
78 Correct 309 ms 88520 KB Output is correct
79 Correct 339 ms 94456 KB Output is correct
80 Correct 368 ms 100728 KB Output is correct
81 Correct 19 ms 27768 KB Output is correct
82 Correct 395 ms 106632 KB Output is correct
83 Correct 428 ms 112632 KB Output is correct
84 Correct 474 ms 118776 KB Output is correct
85 Correct 486 ms 124792 KB Output is correct
86 Correct 518 ms 130936 KB Output is correct
87 Correct 537 ms 136952 KB Output is correct
88 Correct 565 ms 142968 KB Output is correct
89 Correct 610 ms 149024 KB Output is correct
90 Correct 20 ms 27776 KB Output is correct
91 Correct 20 ms 27776 KB Output is correct
92 Correct 19 ms 27776 KB Output is correct
93 Correct 20 ms 27776 KB Output is correct
94 Correct 19 ms 27776 KB Output is correct

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 19 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 19 ms 27776 KB Output is correct
6 Correct 20 ms 27776 KB Output is correct
7 Correct 19 ms 27768 KB Output is correct
8 Correct 20 ms 27776 KB Output is correct
9 Correct 20 ms 27776 KB Output is correct
10 Correct 20 ms 27776 KB Output is correct
11 Correct 19 ms 27776 KB Output is correct
12 Correct 19 ms 27776 KB Output is correct
13 Correct 19 ms 27776 KB Output is correct
14 Correct 19 ms 27776 KB Output is correct
15 Correct 18 ms 27776 KB Output is correct
16 Correct 20 ms 27776 KB Output is correct
17 Correct 19 ms 27776 KB Output is correct
18 Correct 21 ms 27776 KB Output is correct
19 Correct 19 ms 27776 KB Output is correct
20 Correct 19 ms 27776 KB Output is correct
21 Correct 19 ms 27776 KB Output is correct
22 Correct 20 ms 27776 KB Output is correct
23 Correct 19 ms 27776 KB Output is correct
24 Correct 20 ms 27776 KB Output is correct
25 Correct 20 ms 27776 KB Output is correct
26 Correct 19 ms 27776 KB Output is correct
27 Correct 20 ms 27776 KB Output is correct
28 Correct 20 ms 27776 KB Output is correct
29 Correct 20 ms 27776 KB Output is correct
30 Correct 19 ms 27776 KB Output is correct
31 Correct 20 ms 27776 KB Output is correct
32 Correct 20 ms 27776 KB Output is correct
33 Correct 20 ms 27776 KB Output is correct
34 Correct 20 ms 27776 KB Output is correct
35 Correct 19 ms 27776 KB Output is correct
36 Correct 20 ms 27776 KB Output is correct
37 Correct 20 ms 27776 KB Output is correct
38 Correct 20 ms 27776 KB Output is correct
39 Correct 20 ms 27776 KB Output is correct
40 Correct 20 ms 27904 KB Output is correct
41 Correct 20 ms 27904 KB Output is correct
42 Correct 20 ms 27904 KB Output is correct
43 Correct 20 ms 27776 KB Output is correct
44 Correct 19 ms 27776 KB Output is correct
45 Correct 20 ms 27776 KB Output is correct
46 Correct 20 ms 27772 KB Output is correct
47 Correct 20 ms 27776 KB Output is correct
48 Correct 19 ms 27776 KB Output is correct
49 Correct 19 ms 27776 KB Output is correct
50 Correct 19 ms 27776 KB Output is correct
51 Correct 19 ms 27776 KB Output is correct
52 Correct 20 ms 27776 KB Output is correct
53 Correct 19 ms 27776 KB Output is correct
54 Correct 20 ms 27776 KB Output is correct
55 Incorrect 19 ms 27776 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 19 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 19 ms 27776 KB Output is correct
6 Correct 20 ms 27776 KB Output is correct
7 Correct 19 ms 27768 KB Output is correct
8 Correct 20 ms 27776 KB Output is correct
9 Correct 20 ms 27776 KB Output is correct
10 Correct 20 ms 27776 KB Output is correct
11 Correct 19 ms 27776 KB Output is correct
12 Correct 19 ms 27776 KB Output is correct
13 Correct 19 ms 27776 KB Output is correct
14 Correct 19 ms 27776 KB Output is correct
15 Correct 18 ms 27776 KB Output is correct
16 Correct 20 ms 27776 KB Output is correct
17 Correct 19 ms 27776 KB Output is correct
18 Correct 21 ms 27776 KB Output is correct
19 Correct 19 ms 27776 KB Output is correct
20 Correct 19 ms 27776 KB Output is correct
21 Correct 19 ms 27776 KB Output is correct
22 Correct 20 ms 27776 KB Output is correct
23 Correct 19 ms 27776 KB Output is correct
24 Correct 20 ms 27776 KB Output is correct
25 Correct 20 ms 27776 KB Output is correct
26 Correct 19 ms 27776 KB Output is correct
27 Correct 20 ms 27776 KB Output is correct
28 Correct 20 ms 27776 KB Output is correct
29 Correct 20 ms 27776 KB Output is correct
30 Correct 19 ms 27776 KB Output is correct
31 Correct 20 ms 27776 KB Output is correct
32 Correct 20 ms 27776 KB Output is correct
33 Correct 20 ms 27776 KB Output is correct
34 Correct 20 ms 27776 KB Output is correct
35 Correct 19 ms 27776 KB Output is correct
36 Correct 20 ms 27776 KB Output is correct
37 Correct 20 ms 27776 KB Output is correct
38 Correct 20 ms 27776 KB Output is correct
39 Correct 20 ms 27776 KB Output is correct
40 Correct 20 ms 27904 KB Output is correct
41 Correct 20 ms 27904 KB Output is correct
42 Correct 20 ms 27904 KB Output is correct
43 Correct 20 ms 27776 KB Output is correct
44 Correct 19 ms 27776 KB Output is correct
45 Correct 20 ms 27776 KB Output is correct
46 Correct 20 ms 27772 KB Output is correct
47 Correct 20 ms 27776 KB Output is correct
48 Correct 20 ms 27808 KB Output is correct
49 Correct 19 ms 27776 KB Output is correct
50 Correct 22 ms 27776 KB Output is correct
51 Correct 20 ms 27776 KB Output is correct
52 Correct 19 ms 27776 KB Output is correct
53 Correct 19 ms 27776 KB Output is correct
54 Correct 19 ms 27776 KB Output is correct
55 Correct 19 ms 27768 KB Output is correct
56 Correct 19 ms 27776 KB Output is correct
57 Correct 20 ms 27776 KB Output is correct
58 Correct 19 ms 27776 KB Output is correct
59 Correct 19 ms 27904 KB Output is correct
60 Correct 19 ms 27776 KB Output is correct
61 Correct 20 ms 27776 KB Output is correct
62 Correct 19 ms 27776 KB Output is correct
63 Correct 20 ms 27776 KB Output is correct
64 Correct 19 ms 27776 KB Output is correct
65 Correct 20 ms 27776 KB Output is correct
66 Correct 19 ms 27776 KB Output is correct
67 Correct 19 ms 27776 KB Output is correct
68 Correct 48 ms 33788 KB Output is correct
69 Correct 77 ms 39800 KB Output is correct
70 Correct 20 ms 27776 KB Output is correct
71 Correct 106 ms 45944 KB Output is correct
72 Correct 136 ms 51960 KB Output is correct
73 Correct 161 ms 58104 KB Output is correct
74 Correct 193 ms 64120 KB Output is correct
75 Correct 226 ms 70264 KB Output is correct
76 Correct 250 ms 76408 KB Output is correct
77 Correct 286 ms 82296 KB Output is correct
78 Correct 309 ms 88520 KB Output is correct
79 Correct 339 ms 94456 KB Output is correct
80 Correct 368 ms 100728 KB Output is correct
81 Correct 19 ms 27768 KB Output is correct
82 Correct 395 ms 106632 KB Output is correct
83 Correct 428 ms 112632 KB Output is correct
84 Correct 474 ms 118776 KB Output is correct
85 Correct 486 ms 124792 KB Output is correct
86 Correct 518 ms 130936 KB Output is correct
87 Correct 537 ms 136952 KB Output is correct
88 Correct 565 ms 142968 KB Output is correct
89 Correct 610 ms 149024 KB Output is correct
90 Correct 20 ms 27776 KB Output is correct
91 Correct 20 ms 27776 KB Output is correct
92 Correct 19 ms 27776 KB Output is correct
93 Correct 20 ms 27776 KB Output is correct
94 Correct 19 ms 27776 KB Output is correct
95 Correct 19 ms 27776 KB Output is correct
96 Correct 19 ms 27776 KB Output is correct
97 Correct 19 ms 27776 KB Output is correct
98 Correct 19 ms 27776 KB Output is correct
99 Correct 20 ms 27776 KB Output is correct
100 Correct 19 ms 27776 KB Output is correct
101 Correct 20 ms 27776 KB Output is correct
102 Incorrect 19 ms 27776 KB Output isn't correct
103 Halted 0 ms 0 KB -