# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
283392 |
2020-08-25T15:36:44 Z |
kevlee |
Traffic (IOI10_traffic) |
C++17 |
|
630 ms |
155136 KB |
#include "traffic.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mod 1000000007
#define h1 7897897897897897
#define h2 7897466719774591
#define b1 98762051
#define b2 98765431
#define inf 1000000000
#define pi 3.1415926535897932384626
#define LMAX 9223372036854775807
#define ll long long
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vp vector<pii>
#define SET(a, b) memset(a, b, sizeof(a));
#define all(x) (x).begin(), (x).end()
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FORD(i, a, b) for (int i = (a); i >= (b); i--)
int a[1000005], v[1000005], sum;
vi edges[1000005];
int dfs(int x, int p) {
int children = 0;
for (auto y: edges[x]) {
if (y == p) continue;
int t = dfs(y, x);
children += t;
a[x] = max(a[x], children);
}
a[x] = max(a[x], sum - children - v[x]);
return children + v[x];
}
int LocateCentre(int n, int P[], int s[], int d[]) {
FOR(i, 0, n-1) {
v[i] = P[i];
sum += v[i];
}
FOR(i, 0, n-2) {
edges[s[i]].pb(d[i]);
edges[d[i]].pb(s[i]);
}
int useless = dfs(0, -1), minn = 2 * inf, ans;
FOR(i, 0, n-1) {
if (a[i] < minn) {
minn = a[i];
ans = i;
}
}
return ans;
}
Compilation message
traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:47:7: warning: unused variable 'useless' [-Wunused-variable]
47 | int useless = dfs(0, -1), minn = 2 * inf, ans;
| ^~~~~~~
traffic.cpp:54:10: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
54 | return ans;
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
23808 KB |
Output is correct |
2 |
Correct |
16 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
19 ms |
23808 KB |
Output is correct |
8 |
Correct |
17 ms |
23808 KB |
Output is correct |
9 |
Correct |
19 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23808 KB |
Output is correct |
11 |
Correct |
17 ms |
23808 KB |
Output is correct |
12 |
Correct |
18 ms |
23936 KB |
Output is correct |
13 |
Correct |
16 ms |
23808 KB |
Output is correct |
14 |
Correct |
18 ms |
23808 KB |
Output is correct |
15 |
Correct |
16 ms |
23808 KB |
Output is correct |
16 |
Correct |
18 ms |
23808 KB |
Output is correct |
17 |
Correct |
18 ms |
23808 KB |
Output is correct |
18 |
Correct |
18 ms |
23808 KB |
Output is correct |
19 |
Correct |
18 ms |
23808 KB |
Output is correct |
20 |
Correct |
17 ms |
23808 KB |
Output is correct |
21 |
Correct |
16 ms |
23872 KB |
Output is correct |
22 |
Correct |
17 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
17 ms |
23808 KB |
Output is correct |
25 |
Correct |
17 ms |
23808 KB |
Output is correct |
26 |
Correct |
17 ms |
23808 KB |
Output is correct |
27 |
Correct |
17 ms |
23808 KB |
Output is correct |
28 |
Correct |
17 ms |
23936 KB |
Output is correct |
29 |
Correct |
16 ms |
23936 KB |
Output is correct |
30 |
Correct |
17 ms |
23936 KB |
Output is correct |
31 |
Correct |
16 ms |
23936 KB |
Output is correct |
32 |
Correct |
17 ms |
23936 KB |
Output is correct |
33 |
Correct |
16 ms |
23936 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
35 |
Correct |
18 ms |
23936 KB |
Output is correct |
36 |
Correct |
18 ms |
23936 KB |
Output is correct |
37 |
Correct |
17 ms |
23936 KB |
Output is correct |
38 |
Correct |
17 ms |
23936 KB |
Output is correct |
39 |
Correct |
17 ms |
23936 KB |
Output is correct |
40 |
Correct |
17 ms |
23936 KB |
Output is correct |
41 |
Correct |
17 ms |
23936 KB |
Output is correct |
42 |
Correct |
17 ms |
23932 KB |
Output is correct |
43 |
Correct |
16 ms |
23808 KB |
Output is correct |
44 |
Correct |
16 ms |
23808 KB |
Output is correct |
45 |
Correct |
16 ms |
23808 KB |
Output is correct |
46 |
Correct |
16 ms |
23808 KB |
Output is correct |
47 |
Correct |
17 ms |
23808 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
23808 KB |
Output is correct |
2 |
Correct |
16 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
19 ms |
23808 KB |
Output is correct |
8 |
Correct |
17 ms |
23808 KB |
Output is correct |
9 |
Correct |
19 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23808 KB |
Output is correct |
11 |
Correct |
17 ms |
23808 KB |
Output is correct |
12 |
Correct |
18 ms |
23936 KB |
Output is correct |
13 |
Correct |
16 ms |
23808 KB |
Output is correct |
14 |
Correct |
18 ms |
23808 KB |
Output is correct |
15 |
Correct |
16 ms |
23808 KB |
Output is correct |
16 |
Correct |
18 ms |
23808 KB |
Output is correct |
17 |
Correct |
18 ms |
23808 KB |
Output is correct |
18 |
Correct |
18 ms |
23808 KB |
Output is correct |
19 |
Correct |
18 ms |
23808 KB |
Output is correct |
20 |
Correct |
17 ms |
23808 KB |
Output is correct |
21 |
Correct |
16 ms |
23872 KB |
Output is correct |
22 |
Correct |
17 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
17 ms |
23808 KB |
Output is correct |
25 |
Correct |
17 ms |
23808 KB |
Output is correct |
26 |
Correct |
17 ms |
23808 KB |
Output is correct |
27 |
Correct |
17 ms |
23808 KB |
Output is correct |
28 |
Correct |
17 ms |
23936 KB |
Output is correct |
29 |
Correct |
16 ms |
23936 KB |
Output is correct |
30 |
Correct |
17 ms |
23936 KB |
Output is correct |
31 |
Correct |
16 ms |
23936 KB |
Output is correct |
32 |
Correct |
17 ms |
23936 KB |
Output is correct |
33 |
Correct |
16 ms |
23936 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
35 |
Correct |
18 ms |
23936 KB |
Output is correct |
36 |
Correct |
18 ms |
23936 KB |
Output is correct |
37 |
Correct |
17 ms |
23936 KB |
Output is correct |
38 |
Correct |
17 ms |
23936 KB |
Output is correct |
39 |
Correct |
17 ms |
23936 KB |
Output is correct |
40 |
Correct |
17 ms |
23936 KB |
Output is correct |
41 |
Correct |
17 ms |
23936 KB |
Output is correct |
42 |
Correct |
17 ms |
23932 KB |
Output is correct |
43 |
Correct |
16 ms |
23808 KB |
Output is correct |
44 |
Correct |
16 ms |
23808 KB |
Output is correct |
45 |
Correct |
16 ms |
23808 KB |
Output is correct |
46 |
Correct |
16 ms |
23808 KB |
Output is correct |
47 |
Correct |
17 ms |
23808 KB |
Output is correct |
48 |
Correct |
16 ms |
23808 KB |
Output is correct |
49 |
Correct |
17 ms |
23808 KB |
Output is correct |
50 |
Correct |
17 ms |
23808 KB |
Output is correct |
51 |
Correct |
16 ms |
23808 KB |
Output is correct |
52 |
Correct |
16 ms |
23808 KB |
Output is correct |
53 |
Correct |
17 ms |
23808 KB |
Output is correct |
54 |
Correct |
16 ms |
23808 KB |
Output is correct |
55 |
Correct |
16 ms |
23808 KB |
Output is correct |
56 |
Correct |
17 ms |
23808 KB |
Output is correct |
57 |
Correct |
17 ms |
23808 KB |
Output is correct |
58 |
Correct |
16 ms |
23808 KB |
Output is correct |
59 |
Correct |
16 ms |
23808 KB |
Output is correct |
60 |
Correct |
16 ms |
23808 KB |
Output is correct |
61 |
Correct |
16 ms |
23808 KB |
Output is correct |
62 |
Correct |
17 ms |
23776 KB |
Output is correct |
63 |
Correct |
17 ms |
23808 KB |
Output is correct |
64 |
Correct |
16 ms |
23808 KB |
Output is correct |
65 |
Correct |
16 ms |
23808 KB |
Output is correct |
66 |
Correct |
17 ms |
23808 KB |
Output is correct |
67 |
Correct |
17 ms |
23808 KB |
Output is correct |
68 |
Correct |
46 ms |
30456 KB |
Output is correct |
69 |
Correct |
74 ms |
36856 KB |
Output is correct |
70 |
Correct |
16 ms |
23808 KB |
Output is correct |
71 |
Correct |
104 ms |
43384 KB |
Output is correct |
72 |
Correct |
135 ms |
50168 KB |
Output is correct |
73 |
Correct |
163 ms |
56568 KB |
Output is correct |
74 |
Correct |
190 ms |
63224 KB |
Output is correct |
75 |
Correct |
220 ms |
69836 KB |
Output is correct |
76 |
Correct |
246 ms |
76284 KB |
Output is correct |
77 |
Correct |
278 ms |
82936 KB |
Output is correct |
78 |
Correct |
305 ms |
89464 KB |
Output is correct |
79 |
Correct |
365 ms |
96120 KB |
Output is correct |
80 |
Correct |
361 ms |
102648 KB |
Output is correct |
81 |
Correct |
16 ms |
23808 KB |
Output is correct |
82 |
Correct |
392 ms |
109328 KB |
Output is correct |
83 |
Correct |
421 ms |
115832 KB |
Output is correct |
84 |
Correct |
469 ms |
122284 KB |
Output is correct |
85 |
Correct |
490 ms |
128960 KB |
Output is correct |
86 |
Correct |
516 ms |
135416 KB |
Output is correct |
87 |
Correct |
535 ms |
142072 KB |
Output is correct |
88 |
Correct |
571 ms |
148668 KB |
Output is correct |
89 |
Correct |
630 ms |
155136 KB |
Output is correct |
90 |
Correct |
17 ms |
23808 KB |
Output is correct |
91 |
Correct |
16 ms |
23808 KB |
Output is correct |
92 |
Correct |
17 ms |
23808 KB |
Output is correct |
93 |
Correct |
20 ms |
23808 KB |
Output is correct |
94 |
Correct |
19 ms |
23808 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
23808 KB |
Output is correct |
2 |
Correct |
16 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
19 ms |
23808 KB |
Output is correct |
8 |
Correct |
17 ms |
23808 KB |
Output is correct |
9 |
Correct |
19 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23808 KB |
Output is correct |
11 |
Correct |
17 ms |
23808 KB |
Output is correct |
12 |
Correct |
18 ms |
23936 KB |
Output is correct |
13 |
Correct |
16 ms |
23808 KB |
Output is correct |
14 |
Correct |
18 ms |
23808 KB |
Output is correct |
15 |
Correct |
16 ms |
23808 KB |
Output is correct |
16 |
Correct |
18 ms |
23808 KB |
Output is correct |
17 |
Correct |
18 ms |
23808 KB |
Output is correct |
18 |
Correct |
18 ms |
23808 KB |
Output is correct |
19 |
Correct |
18 ms |
23808 KB |
Output is correct |
20 |
Correct |
17 ms |
23808 KB |
Output is correct |
21 |
Correct |
16 ms |
23872 KB |
Output is correct |
22 |
Correct |
17 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
17 ms |
23808 KB |
Output is correct |
25 |
Correct |
17 ms |
23808 KB |
Output is correct |
26 |
Correct |
17 ms |
23808 KB |
Output is correct |
27 |
Correct |
17 ms |
23808 KB |
Output is correct |
28 |
Correct |
17 ms |
23936 KB |
Output is correct |
29 |
Correct |
16 ms |
23936 KB |
Output is correct |
30 |
Correct |
17 ms |
23936 KB |
Output is correct |
31 |
Correct |
16 ms |
23936 KB |
Output is correct |
32 |
Correct |
17 ms |
23936 KB |
Output is correct |
33 |
Correct |
16 ms |
23936 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
35 |
Correct |
18 ms |
23936 KB |
Output is correct |
36 |
Correct |
18 ms |
23936 KB |
Output is correct |
37 |
Correct |
17 ms |
23936 KB |
Output is correct |
38 |
Correct |
17 ms |
23936 KB |
Output is correct |
39 |
Correct |
17 ms |
23936 KB |
Output is correct |
40 |
Correct |
17 ms |
23936 KB |
Output is correct |
41 |
Correct |
17 ms |
23936 KB |
Output is correct |
42 |
Correct |
17 ms |
23932 KB |
Output is correct |
43 |
Correct |
16 ms |
23808 KB |
Output is correct |
44 |
Correct |
16 ms |
23808 KB |
Output is correct |
45 |
Correct |
16 ms |
23808 KB |
Output is correct |
46 |
Correct |
16 ms |
23808 KB |
Output is correct |
47 |
Correct |
17 ms |
23808 KB |
Output is correct |
48 |
Incorrect |
16 ms |
23808 KB |
Output isn't correct |
49 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
23808 KB |
Output is correct |
2 |
Correct |
16 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
19 ms |
23808 KB |
Output is correct |
8 |
Correct |
17 ms |
23808 KB |
Output is correct |
9 |
Correct |
19 ms |
23808 KB |
Output is correct |
10 |
Correct |
17 ms |
23808 KB |
Output is correct |
11 |
Correct |
17 ms |
23808 KB |
Output is correct |
12 |
Correct |
18 ms |
23936 KB |
Output is correct |
13 |
Correct |
16 ms |
23808 KB |
Output is correct |
14 |
Correct |
18 ms |
23808 KB |
Output is correct |
15 |
Correct |
16 ms |
23808 KB |
Output is correct |
16 |
Correct |
18 ms |
23808 KB |
Output is correct |
17 |
Correct |
18 ms |
23808 KB |
Output is correct |
18 |
Correct |
18 ms |
23808 KB |
Output is correct |
19 |
Correct |
18 ms |
23808 KB |
Output is correct |
20 |
Correct |
17 ms |
23808 KB |
Output is correct |
21 |
Correct |
16 ms |
23872 KB |
Output is correct |
22 |
Correct |
17 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
17 ms |
23808 KB |
Output is correct |
25 |
Correct |
17 ms |
23808 KB |
Output is correct |
26 |
Correct |
17 ms |
23808 KB |
Output is correct |
27 |
Correct |
17 ms |
23808 KB |
Output is correct |
28 |
Correct |
17 ms |
23936 KB |
Output is correct |
29 |
Correct |
16 ms |
23936 KB |
Output is correct |
30 |
Correct |
17 ms |
23936 KB |
Output is correct |
31 |
Correct |
16 ms |
23936 KB |
Output is correct |
32 |
Correct |
17 ms |
23936 KB |
Output is correct |
33 |
Correct |
16 ms |
23936 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
35 |
Correct |
18 ms |
23936 KB |
Output is correct |
36 |
Correct |
18 ms |
23936 KB |
Output is correct |
37 |
Correct |
17 ms |
23936 KB |
Output is correct |
38 |
Correct |
17 ms |
23936 KB |
Output is correct |
39 |
Correct |
17 ms |
23936 KB |
Output is correct |
40 |
Correct |
17 ms |
23936 KB |
Output is correct |
41 |
Correct |
17 ms |
23936 KB |
Output is correct |
42 |
Correct |
17 ms |
23932 KB |
Output is correct |
43 |
Correct |
16 ms |
23808 KB |
Output is correct |
44 |
Correct |
16 ms |
23808 KB |
Output is correct |
45 |
Correct |
16 ms |
23808 KB |
Output is correct |
46 |
Correct |
16 ms |
23808 KB |
Output is correct |
47 |
Correct |
17 ms |
23808 KB |
Output is correct |
48 |
Correct |
16 ms |
23808 KB |
Output is correct |
49 |
Correct |
17 ms |
23808 KB |
Output is correct |
50 |
Correct |
17 ms |
23808 KB |
Output is correct |
51 |
Correct |
16 ms |
23808 KB |
Output is correct |
52 |
Correct |
16 ms |
23808 KB |
Output is correct |
53 |
Correct |
17 ms |
23808 KB |
Output is correct |
54 |
Correct |
16 ms |
23808 KB |
Output is correct |
55 |
Correct |
16 ms |
23808 KB |
Output is correct |
56 |
Correct |
17 ms |
23808 KB |
Output is correct |
57 |
Correct |
17 ms |
23808 KB |
Output is correct |
58 |
Correct |
16 ms |
23808 KB |
Output is correct |
59 |
Correct |
16 ms |
23808 KB |
Output is correct |
60 |
Correct |
16 ms |
23808 KB |
Output is correct |
61 |
Correct |
16 ms |
23808 KB |
Output is correct |
62 |
Correct |
17 ms |
23776 KB |
Output is correct |
63 |
Correct |
17 ms |
23808 KB |
Output is correct |
64 |
Correct |
16 ms |
23808 KB |
Output is correct |
65 |
Correct |
16 ms |
23808 KB |
Output is correct |
66 |
Correct |
17 ms |
23808 KB |
Output is correct |
67 |
Correct |
17 ms |
23808 KB |
Output is correct |
68 |
Correct |
46 ms |
30456 KB |
Output is correct |
69 |
Correct |
74 ms |
36856 KB |
Output is correct |
70 |
Correct |
16 ms |
23808 KB |
Output is correct |
71 |
Correct |
104 ms |
43384 KB |
Output is correct |
72 |
Correct |
135 ms |
50168 KB |
Output is correct |
73 |
Correct |
163 ms |
56568 KB |
Output is correct |
74 |
Correct |
190 ms |
63224 KB |
Output is correct |
75 |
Correct |
220 ms |
69836 KB |
Output is correct |
76 |
Correct |
246 ms |
76284 KB |
Output is correct |
77 |
Correct |
278 ms |
82936 KB |
Output is correct |
78 |
Correct |
305 ms |
89464 KB |
Output is correct |
79 |
Correct |
365 ms |
96120 KB |
Output is correct |
80 |
Correct |
361 ms |
102648 KB |
Output is correct |
81 |
Correct |
16 ms |
23808 KB |
Output is correct |
82 |
Correct |
392 ms |
109328 KB |
Output is correct |
83 |
Correct |
421 ms |
115832 KB |
Output is correct |
84 |
Correct |
469 ms |
122284 KB |
Output is correct |
85 |
Correct |
490 ms |
128960 KB |
Output is correct |
86 |
Correct |
516 ms |
135416 KB |
Output is correct |
87 |
Correct |
535 ms |
142072 KB |
Output is correct |
88 |
Correct |
571 ms |
148668 KB |
Output is correct |
89 |
Correct |
630 ms |
155136 KB |
Output is correct |
90 |
Correct |
17 ms |
23808 KB |
Output is correct |
91 |
Correct |
16 ms |
23808 KB |
Output is correct |
92 |
Correct |
17 ms |
23808 KB |
Output is correct |
93 |
Correct |
20 ms |
23808 KB |
Output is correct |
94 |
Correct |
19 ms |
23808 KB |
Output is correct |
95 |
Incorrect |
16 ms |
23808 KB |
Output isn't correct |
96 |
Halted |
0 ms |
0 KB |
- |