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답안 #355510

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
355510 2021-01-22T15:07:08 Z deadeye Traffic (IOI10_traffic) C++14
50 / 100
 511 ms 156984 KB 
// 为什么～

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define si second
typedef pair<int,int> pi;

#ifdef LOCAL
#define debug(...) __f(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) 69
#endif
template <typename Arg>
void __f(string name, Arg arg) {
	cerr << name << " = " << arg << endl;
}
template <typename Head, typename... Tail>
void __f(string names, Head head, Tail... tail) {
	string cur = "";
	for (auto ch: names){if(ch==','){break;}else{cur+=ch;}}
	string nxt = names.substr(cur.size()+2);
	cerr << cur << " = " << head << ", ";
	__f(nxt, tail...);
}

const int MXN = 1000005, INF = 2e9 + 10;
int sz[MXN], ans[MXN], best = INF, total, num[MXN], ret;
vector<int> adj[MXN];

void dfs(int x, int p) {
	for (auto i: adj[x]) if (i != p) {
		dfs(i, x);
		num[x] += num[i];
		ans[x] = max(ans[x], num[x]);
	}
	ans[x] = max(ans[x], total - num[x] - sz[x]);
	num[x] += sz[x];
}

int LocateCentre(int N, int P[], int S[], int D[]) {
	for (int i = 0; i < N; ++i) {
		total += P[i];
		sz[i] = P[i];
	}
	for (int i = 0; i < N - 1; ++i) {
		adj[S[i]].pb(D[i]);
		adj[D[i]].pb(S[i]);
	}
	dfs(0, -1);
	for (int i = 0; i < N; ++i) {
		if (ans[i] < best) {
			ret = i;
			best = ans[i];
		}
		debug(ans[i], i);
	}
	return ret;
}

Compilation message

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 69
      |                    ^~
traffic.cpp:57:3: note: in expansion of macro 'debug'
   57 |   debug(ans[i], i);
      |   ^~~~~

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 23788 KB Output is correct
2 Correct 15 ms 23788 KB Output is correct
3 Correct 15 ms 23788 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 15 ms 23788 KB Output is correct
6 Correct 15 ms 23788 KB Output is correct
7 Correct 15 ms 23788 KB Output is correct
8 Correct 15 ms 23788 KB Output is correct
9 Correct 15 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 15 ms 23788 KB Output is correct
12 Correct 15 ms 23788 KB Output is correct
13 Correct 15 ms 23788 KB Output is correct
14 Correct 15 ms 23916 KB Output is correct
15 Correct 15 ms 23788 KB Output is correct
16 Correct 15 ms 23788 KB Output is correct
17 Correct 15 ms 23788 KB Output is correct
18 Correct 15 ms 23788 KB Output is correct
19 Correct 15 ms 23788 KB Output is correct
20 Correct 15 ms 23916 KB Output is correct
21 Correct 15 ms 23788 KB Output is correct
22 Correct 15 ms 23916 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 15 ms 23916 KB Output is correct
25 Correct 15 ms 23916 KB Output is correct
26 Correct 15 ms 23916 KB Output is correct
27 Correct 15 ms 23916 KB Output is correct
28 Correct 15 ms 23916 KB Output is correct
29 Correct 15 ms 23936 KB Output is correct
30 Correct 16 ms 23916 KB Output is correct
31 Correct 15 ms 23916 KB Output is correct
32 Correct 15 ms 23916 KB Output is correct
33 Correct 15 ms 23916 KB Output is correct
34 Correct 15 ms 23788 KB Output is correct
35 Correct 16 ms 23916 KB Output is correct
36 Correct 15 ms 23916 KB Output is correct
37 Correct 16 ms 23980 KB Output is correct
38 Correct 16 ms 23916 KB Output is correct
39 Correct 15 ms 23916 KB Output is correct
40 Correct 15 ms 23916 KB Output is correct
41 Correct 16 ms 23916 KB Output is correct
42 Correct 16 ms 23916 KB Output is correct
43 Correct 15 ms 23788 KB Output is correct
44 Correct 15 ms 23788 KB Output is correct
45 Correct 15 ms 23788 KB Output is correct
46 Correct 16 ms 23788 KB Output is correct
47 Correct 15 ms 23788 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 23788 KB Output is correct
2 Correct 15 ms 23788 KB Output is correct
3 Correct 15 ms 23788 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 15 ms 23788 KB Output is correct
6 Correct 15 ms 23788 KB Output is correct
7 Correct 15 ms 23788 KB Output is correct
8 Correct 15 ms 23788 KB Output is correct
9 Correct 15 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 15 ms 23788 KB Output is correct
12 Correct 15 ms 23788 KB Output is correct
13 Correct 15 ms 23788 KB Output is correct
14 Correct 15 ms 23916 KB Output is correct
15 Correct 15 ms 23788 KB Output is correct
16 Correct 15 ms 23788 KB Output is correct
17 Correct 15 ms 23788 KB Output is correct
18 Correct 15 ms 23788 KB Output is correct
19 Correct 15 ms 23788 KB Output is correct
20 Correct 15 ms 23916 KB Output is correct
21 Correct 15 ms 23788 KB Output is correct
22 Correct 15 ms 23916 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 15 ms 23916 KB Output is correct
25 Correct 15 ms 23916 KB Output is correct
26 Correct 15 ms 23916 KB Output is correct
27 Correct 15 ms 23916 KB Output is correct
28 Correct 15 ms 23916 KB Output is correct
29 Correct 15 ms 23936 KB Output is correct
30 Correct 16 ms 23916 KB Output is correct
31 Correct 15 ms 23916 KB Output is correct
32 Correct 15 ms 23916 KB Output is correct
33 Correct 15 ms 23916 KB Output is correct
34 Correct 15 ms 23788 KB Output is correct
35 Correct 16 ms 23916 KB Output is correct
36 Correct 15 ms 23916 KB Output is correct
37 Correct 16 ms 23980 KB Output is correct
38 Correct 16 ms 23916 KB Output is correct
39 Correct 15 ms 23916 KB Output is correct
40 Correct 15 ms 23916 KB Output is correct
41 Correct 16 ms 23916 KB Output is correct
42 Correct 16 ms 23916 KB Output is correct
43 Correct 15 ms 23788 KB Output is correct
44 Correct 15 ms 23788 KB Output is correct
45 Correct 15 ms 23788 KB Output is correct
46 Correct 16 ms 23788 KB Output is correct
47 Correct 15 ms 23788 KB Output is correct
48 Correct 15 ms 23788 KB Output is correct
49 Correct 15 ms 23788 KB Output is correct
50 Correct 15 ms 23788 KB Output is correct
51 Correct 16 ms 23788 KB Output is correct
52 Correct 16 ms 23916 KB Output is correct
53 Correct 15 ms 23788 KB Output is correct
54 Correct 15 ms 23788 KB Output is correct
55 Correct 15 ms 23788 KB Output is correct
56 Correct 17 ms 23788 KB Output is correct
57 Correct 15 ms 23788 KB Output is correct
58 Correct 15 ms 23916 KB Output is correct
59 Correct 18 ms 23788 KB Output is correct
60 Correct 16 ms 23916 KB Output is correct
61 Correct 15 ms 23788 KB Output is correct
62 Correct 15 ms 23788 KB Output is correct
63 Correct 18 ms 23788 KB Output is correct
64 Correct 16 ms 23788 KB Output is correct
65 Correct 15 ms 23788 KB Output is correct
66 Correct 15 ms 23788 KB Output is correct
67 Correct 15 ms 23788 KB Output is correct
68 Correct 40 ms 30444 KB Output is correct
69 Correct 65 ms 37100 KB Output is correct
70 Correct 15 ms 23904 KB Output is correct
71 Correct 104 ms 43756 KB Output is correct
72 Correct 112 ms 50412 KB Output is correct
73 Correct 133 ms 57068 KB Output is correct
74 Correct 164 ms 63724 KB Output is correct
75 Correct 184 ms 70380 KB Output is correct
76 Correct 205 ms 77036 KB Output is correct
77 Correct 233 ms 83692 KB Output is correct
78 Correct 258 ms 90348 KB Output is correct
79 Correct 284 ms 97004 KB Output is correct
80 Correct 311 ms 103660 KB Output is correct
81 Correct 15 ms 23916 KB Output is correct
82 Correct 357 ms 110316 KB Output is correct
83 Correct 353 ms 116972 KB Output is correct
84 Correct 423 ms 123756 KB Output is correct
85 Correct 413 ms 130284 KB Output is correct
86 Correct 434 ms 136940 KB Output is correct
87 Correct 450 ms 143576 KB Output is correct
88 Correct 487 ms 150380 KB Output is correct
89 Correct 511 ms 156984 KB Output is correct
90 Correct 15 ms 23788 KB Output is correct
91 Correct 15 ms 23788 KB Output is correct
92 Correct 15 ms 23788 KB Output is correct
93 Correct 15 ms 23788 KB Output is correct
94 Correct 15 ms 23788 KB Output is correct

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 23788 KB Output is correct
2 Correct 15 ms 23788 KB Output is correct
3 Correct 15 ms 23788 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 15 ms 23788 KB Output is correct
6 Correct 15 ms 23788 KB Output is correct
7 Correct 15 ms 23788 KB Output is correct
8 Correct 15 ms 23788 KB Output is correct
9 Correct 15 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 15 ms 23788 KB Output is correct
12 Correct 15 ms 23788 KB Output is correct
13 Correct 15 ms 23788 KB Output is correct
14 Correct 15 ms 23916 KB Output is correct
15 Correct 15 ms 23788 KB Output is correct
16 Correct 15 ms 23788 KB Output is correct
17 Correct 15 ms 23788 KB Output is correct
18 Correct 15 ms 23788 KB Output is correct
19 Correct 15 ms 23788 KB Output is correct
20 Correct 15 ms 23916 KB Output is correct
21 Correct 15 ms 23788 KB Output is correct
22 Correct 15 ms 23916 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 15 ms 23916 KB Output is correct
25 Correct 15 ms 23916 KB Output is correct
26 Correct 15 ms 23916 KB Output is correct
27 Correct 15 ms 23916 KB Output is correct
28 Correct 15 ms 23916 KB Output is correct
29 Correct 15 ms 23936 KB Output is correct
30 Correct 16 ms 23916 KB Output is correct
31 Correct 15 ms 23916 KB Output is correct
32 Correct 15 ms 23916 KB Output is correct
33 Correct 15 ms 23916 KB Output is correct
34 Correct 15 ms 23788 KB Output is correct
35 Correct 16 ms 23916 KB Output is correct
36 Correct 15 ms 23916 KB Output is correct
37 Correct 16 ms 23980 KB Output is correct
38 Correct 16 ms 23916 KB Output is correct
39 Correct 15 ms 23916 KB Output is correct
40 Correct 15 ms 23916 KB Output is correct
41 Correct 16 ms 23916 KB Output is correct
42 Correct 16 ms 23916 KB Output is correct
43 Correct 15 ms 23788 KB Output is correct
44 Correct 15 ms 23788 KB Output is correct
45 Correct 15 ms 23788 KB Output is correct
46 Correct 16 ms 23788 KB Output is correct
47 Correct 15 ms 23788 KB Output is correct
48 Incorrect 17 ms 23916 KB Output isn't correct
49 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 23788 KB Output is correct
2 Correct 15 ms 23788 KB Output is correct
3 Correct 15 ms 23788 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 15 ms 23788 KB Output is correct
6 Correct 15 ms 23788 KB Output is correct
7 Correct 15 ms 23788 KB Output is correct
8 Correct 15 ms 23788 KB Output is correct
9 Correct 15 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 15 ms 23788 KB Output is correct
12 Correct 15 ms 23788 KB Output is correct
13 Correct 15 ms 23788 KB Output is correct
14 Correct 15 ms 23916 KB Output is correct
15 Correct 15 ms 23788 KB Output is correct
16 Correct 15 ms 23788 KB Output is correct
17 Correct 15 ms 23788 KB Output is correct
18 Correct 15 ms 23788 KB Output is correct
19 Correct 15 ms 23788 KB Output is correct
20 Correct 15 ms 23916 KB Output is correct
21 Correct 15 ms 23788 KB Output is correct
22 Correct 15 ms 23916 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 15 ms 23916 KB Output is correct
25 Correct 15 ms 23916 KB Output is correct
26 Correct 15 ms 23916 KB Output is correct
27 Correct 15 ms 23916 KB Output is correct
28 Correct 15 ms 23916 KB Output is correct
29 Correct 15 ms 23936 KB Output is correct
30 Correct 16 ms 23916 KB Output is correct
31 Correct 15 ms 23916 KB Output is correct
32 Correct 15 ms 23916 KB Output is correct
33 Correct 15 ms 23916 KB Output is correct
34 Correct 15 ms 23788 KB Output is correct
35 Correct 16 ms 23916 KB Output is correct
36 Correct 15 ms 23916 KB Output is correct
37 Correct 16 ms 23980 KB Output is correct
38 Correct 16 ms 23916 KB Output is correct
39 Correct 15 ms 23916 KB Output is correct
40 Correct 15 ms 23916 KB Output is correct
41 Correct 16 ms 23916 KB Output is correct
42 Correct 16 ms 23916 KB Output is correct
43 Correct 15 ms 23788 KB Output is correct
44 Correct 15 ms 23788 KB Output is correct
45 Correct 15 ms 23788 KB Output is correct
46 Correct 16 ms 23788 KB Output is correct
47 Correct 15 ms 23788 KB Output is correct
48 Correct 15 ms 23788 KB Output is correct
49 Correct 15 ms 23788 KB Output is correct
50 Correct 15 ms 23788 KB Output is correct
51 Correct 16 ms 23788 KB Output is correct
52 Correct 16 ms 23916 KB Output is correct
53 Correct 15 ms 23788 KB Output is correct
54 Correct 15 ms 23788 KB Output is correct
55 Correct 15 ms 23788 KB Output is correct
56 Correct 17 ms 23788 KB Output is correct
57 Correct 15 ms 23788 KB Output is correct
58 Correct 15 ms 23916 KB Output is correct
59 Correct 18 ms 23788 KB Output is correct
60 Correct 16 ms 23916 KB Output is correct
61 Correct 15 ms 23788 KB Output is correct
62 Correct 15 ms 23788 KB Output is correct
63 Correct 18 ms 23788 KB Output is correct
64 Correct 16 ms 23788 KB Output is correct
65 Correct 15 ms 23788 KB Output is correct
66 Correct 15 ms 23788 KB Output is correct
67 Correct 15 ms 23788 KB Output is correct
68 Correct 40 ms 30444 KB Output is correct
69 Correct 65 ms 37100 KB Output is correct
70 Correct 15 ms 23904 KB Output is correct
71 Correct 104 ms 43756 KB Output is correct
72 Correct 112 ms 50412 KB Output is correct
73 Correct 133 ms 57068 KB Output is correct
74 Correct 164 ms 63724 KB Output is correct
75 Correct 184 ms 70380 KB Output is correct
76 Correct 205 ms 77036 KB Output is correct
77 Correct 233 ms 83692 KB Output is correct
78 Correct 258 ms 90348 KB Output is correct
79 Correct 284 ms 97004 KB Output is correct
80 Correct 311 ms 103660 KB Output is correct
81 Correct 15 ms 23916 KB Output is correct
82 Correct 357 ms 110316 KB Output is correct
83 Correct 353 ms 116972 KB Output is correct
84 Correct 423 ms 123756 KB Output is correct
85 Correct 413 ms 130284 KB Output is correct
86 Correct 434 ms 136940 KB Output is correct
87 Correct 450 ms 143576 KB Output is correct
88 Correct 487 ms 150380 KB Output is correct
89 Correct 511 ms 156984 KB Output is correct
90 Correct 15 ms 23788 KB Output is correct
91 Correct 15 ms 23788 KB Output is correct
92 Correct 15 ms 23788 KB Output is correct
93 Correct 15 ms 23788 KB Output is correct
94 Correct 15 ms 23788 KB Output is correct
95 Incorrect 17 ms 23916 KB Output isn't correct
96 Halted 0 ms 0 KB -