oj.uz

Submission #427757

# Submission time Handle Problem Language Result Execution time Memory
427757 2021-06-14T21:39:32 Z haxorman Traffic (IOI10_traffic) C++14
50 / 100
 502 ms 170764 KB 
#include "traffic.h"
#include "bits/stdc++.h"
using namespace std;

const int mxN = 1e6 + 7;

int n, p[mxN], dp[mxN], tot;
vector<int> graph[mxN];

void dfs(int u, int par) {
   dp[u] = p[u];

   for (auto v : graph[u]) {
      if (v != par) {
         dfs(v, u);
         dp[u] += dp[v];
      }
   }
}

int LocateCentre(int N, int P[], int S[], int D[]) {
   n = N;

   for (int i = 0; i < n; ++i) {
      p[i] = P[i];
      tot += p[i];
   }

   for (int i = 0; i < n - 1; ++i) {
      graph[S[i]].push_back(D[i]);
      graph[D[i]].push_back(S[i]);
   }

   dfs(0, -1);

   int res = INT_MAX, city = 0;
   for (int u = 0; u < n; ++u) {
      if (res > max(tot - dp[u], dp[u] - p[u])) {
         res = max(tot - dp[u], dp[u] - p[u]);
         city = u;
      }
   }
   return city;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23756 KB Output is correct
2 Correct 14 ms 23820 KB Output is correct
3 Correct 14 ms 23784 KB Output is correct
4 Correct 14 ms 23784 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23780 KB Output is correct
7 Correct 14 ms 23756 KB Output is correct
8 Correct 19 ms 23716 KB Output is correct
9 Correct 14 ms 23756 KB Output is correct
10 Correct 15 ms 23756 KB Output is correct
11 Correct 14 ms 23756 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 15 ms 23728 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 18 ms 23740 KB Output is correct
18 Correct 14 ms 23756 KB Output is correct
19 Correct 14 ms 23764 KB Output is correct
20 Correct 14 ms 23756 KB Output is correct
21 Correct 14 ms 23788 KB Output is correct
22 Correct 14 ms 23756 KB Output is correct
23 Correct 15 ms 23784 KB Output is correct
24 Correct 14 ms 23836 KB Output is correct
25 Correct 14 ms 23756 KB Output is correct
26 Correct 14 ms 23784 KB Output is correct
27 Correct 14 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct
30 Correct 16 ms 23884 KB Output is correct
31 Correct 15 ms 23812 KB Output is correct
32 Correct 22 ms 23796 KB Output is correct
33 Correct 14 ms 23884 KB Output is correct
34 Correct 16 ms 23832 KB Output is correct
35 Correct 16 ms 23796 KB Output is correct
36 Correct 16 ms 23884 KB Output is correct
37 Correct 15 ms 23844 KB Output is correct
38 Correct 15 ms 23816 KB Output is correct
39 Correct 17 ms 23928 KB Output is correct
40 Correct 14 ms 23924 KB Output is correct
41 Correct 14 ms 23884 KB Output is correct
42 Correct 15 ms 23928 KB Output is correct
43 Correct 14 ms 23756 KB Output is correct
44 Correct 14 ms 23756 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 14 ms 23788 KB Output is correct
47 Correct 14 ms 23884 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23756 KB Output is correct
2 Correct 14 ms 23820 KB Output is correct
3 Correct 14 ms 23784 KB Output is correct
4 Correct 14 ms 23784 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23780 KB Output is correct
7 Correct 14 ms 23756 KB Output is correct
8 Correct 19 ms 23716 KB Output is correct
9 Correct 14 ms 23756 KB Output is correct
10 Correct 15 ms 23756 KB Output is correct
11 Correct 14 ms 23756 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 15 ms 23728 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 18 ms 23740 KB Output is correct
18 Correct 14 ms 23756 KB Output is correct
19 Correct 14 ms 23764 KB Output is correct
20 Correct 14 ms 23756 KB Output is correct
21 Correct 14 ms 23788 KB Output is correct
22 Correct 14 ms 23756 KB Output is correct
23 Correct 15 ms 23784 KB Output is correct
24 Correct 14 ms 23836 KB Output is correct
25 Correct 14 ms 23756 KB Output is correct
26 Correct 14 ms 23784 KB Output is correct
27 Correct 14 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct
30 Correct 16 ms 23884 KB Output is correct
31 Correct 15 ms 23812 KB Output is correct
32 Correct 22 ms 23796 KB Output is correct
33 Correct 14 ms 23884 KB Output is correct
34 Correct 16 ms 23832 KB Output is correct
35 Correct 16 ms 23796 KB Output is correct
36 Correct 16 ms 23884 KB Output is correct
37 Correct 15 ms 23844 KB Output is correct
38 Correct 15 ms 23816 KB Output is correct
39 Correct 17 ms 23928 KB Output is correct
40 Correct 14 ms 23924 KB Output is correct
41 Correct 14 ms 23884 KB Output is correct
42 Correct 15 ms 23928 KB Output is correct
43 Correct 14 ms 23756 KB Output is correct
44 Correct 14 ms 23756 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 14 ms 23788 KB Output is correct
47 Correct 14 ms 23884 KB Output is correct
48 Correct 15 ms 23756 KB Output is correct
49 Correct 14 ms 23756 KB Output is correct
50 Correct 15 ms 23792 KB Output is correct
51 Correct 14 ms 23788 KB Output is correct
52 Correct 15 ms 23756 KB Output is correct
53 Correct 14 ms 23784 KB Output is correct
54 Correct 14 ms 23792 KB Output is correct
55 Correct 14 ms 23756 KB Output is correct
56 Correct 14 ms 23788 KB Output is correct
57 Correct 14 ms 23756 KB Output is correct
58 Correct 14 ms 23788 KB Output is correct
59 Correct 16 ms 23724 KB Output is correct
60 Correct 17 ms 23780 KB Output is correct
61 Correct 18 ms 23756 KB Output is correct
62 Correct 17 ms 23760 KB Output is correct
63 Correct 15 ms 23756 KB Output is correct
64 Correct 14 ms 23816 KB Output is correct
65 Correct 14 ms 23724 KB Output is correct
66 Correct 14 ms 23728 KB Output is correct
67 Correct 15 ms 23740 KB Output is correct
68 Correct 38 ms 31056 KB Output is correct
69 Correct 62 ms 38340 KB Output is correct
70 Correct 15 ms 23724 KB Output is correct
71 Correct 88 ms 45700 KB Output is correct
72 Correct 119 ms 53056 KB Output is correct
73 Correct 128 ms 60368 KB Output is correct
74 Correct 161 ms 67776 KB Output is correct
75 Correct 188 ms 75148 KB Output is correct
76 Correct 208 ms 82476 KB Output is correct
77 Correct 227 ms 89924 KB Output is correct
78 Correct 265 ms 97404 KB Output is correct
79 Correct 333 ms 104632 KB Output is correct
80 Correct 308 ms 112132 KB Output is correct
81 Correct 14 ms 23756 KB Output is correct
82 Correct 330 ms 119372 KB Output is correct
83 Correct 352 ms 126624 KB Output is correct
84 Correct 372 ms 134056 KB Output is correct
85 Correct 406 ms 141364 KB Output is correct
86 Correct 461 ms 148760 KB Output is correct
87 Correct 446 ms 156100 KB Output is correct
88 Correct 502 ms 163332 KB Output is correct
89 Correct 500 ms 170764 KB Output is correct
90 Correct 14 ms 23756 KB Output is correct
91 Correct 16 ms 23756 KB Output is correct
92 Correct 14 ms 23712 KB Output is correct
93 Correct 14 ms 23736 KB Output is correct
94 Correct 15 ms 23728 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23756 KB Output is correct
2 Correct 14 ms 23820 KB Output is correct
3 Correct 14 ms 23784 KB Output is correct
4 Correct 14 ms 23784 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23780 KB Output is correct
7 Correct 14 ms 23756 KB Output is correct
8 Correct 19 ms 23716 KB Output is correct
9 Correct 14 ms 23756 KB Output is correct
10 Correct 15 ms 23756 KB Output is correct
11 Correct 14 ms 23756 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 15 ms 23728 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 18 ms 23740 KB Output is correct
18 Correct 14 ms 23756 KB Output is correct
19 Correct 14 ms 23764 KB Output is correct
20 Correct 14 ms 23756 KB Output is correct
21 Correct 14 ms 23788 KB Output is correct
22 Correct 14 ms 23756 KB Output is correct
23 Correct 15 ms 23784 KB Output is correct
24 Correct 14 ms 23836 KB Output is correct
25 Correct 14 ms 23756 KB Output is correct
26 Correct 14 ms 23784 KB Output is correct
27 Correct 14 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct
30 Correct 16 ms 23884 KB Output is correct
31 Correct 15 ms 23812 KB Output is correct
32 Correct 22 ms 23796 KB Output is correct
33 Correct 14 ms 23884 KB Output is correct
34 Correct 16 ms 23832 KB Output is correct
35 Correct 16 ms 23796 KB Output is correct
36 Correct 16 ms 23884 KB Output is correct
37 Correct 15 ms 23844 KB Output is correct
38 Correct 15 ms 23816 KB Output is correct
39 Correct 17 ms 23928 KB Output is correct
40 Correct 14 ms 23924 KB Output is correct
41 Correct 14 ms 23884 KB Output is correct
42 Correct 15 ms 23928 KB Output is correct
43 Correct 14 ms 23756 KB Output is correct
44 Correct 14 ms 23756 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 14 ms 23788 KB Output is correct
47 Correct 14 ms 23884 KB Output is correct
48 Incorrect 14 ms 23788 KB Output isn't correct
49 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23756 KB Output is correct
2 Correct 14 ms 23820 KB Output is correct
3 Correct 14 ms 23784 KB Output is correct
4 Correct 14 ms 23784 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23780 KB Output is correct
7 Correct 14 ms 23756 KB Output is correct
8 Correct 19 ms 23716 KB Output is correct
9 Correct 14 ms 23756 KB Output is correct
10 Correct 15 ms 23756 KB Output is correct
11 Correct 14 ms 23756 KB Output is correct
12 Correct 15 ms 23756 KB Output is correct
13 Correct 15 ms 23728 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 15 ms 23756 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 18 ms 23740 KB Output is correct
18 Correct 14 ms 23756 KB Output is correct
19 Correct 14 ms 23764 KB Output is correct
20 Correct 14 ms 23756 KB Output is correct
21 Correct 14 ms 23788 KB Output is correct
22 Correct 14 ms 23756 KB Output is correct
23 Correct 15 ms 23784 KB Output is correct
24 Correct 14 ms 23836 KB Output is correct
25 Correct 14 ms 23756 KB Output is correct
26 Correct 14 ms 23784 KB Output is correct
27 Correct 14 ms 23756 KB Output is correct
28 Correct 16 ms 23756 KB Output is correct
29 Correct 17 ms 23756 KB Output is correct
30 Correct 16 ms 23884 KB Output is correct
31 Correct 15 ms 23812 KB Output is correct
32 Correct 22 ms 23796 KB Output is correct
33 Correct 14 ms 23884 KB Output is correct
34 Correct 16 ms 23832 KB Output is correct
35 Correct 16 ms 23796 KB Output is correct
36 Correct 16 ms 23884 KB Output is correct
37 Correct 15 ms 23844 KB Output is correct
38 Correct 15 ms 23816 KB Output is correct
39 Correct 17 ms 23928 KB Output is correct
40 Correct 14 ms 23924 KB Output is correct
41 Correct 14 ms 23884 KB Output is correct
42 Correct 15 ms 23928 KB Output is correct
43 Correct 14 ms 23756 KB Output is correct
44 Correct 14 ms 23756 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 14 ms 23788 KB Output is correct
47 Correct 14 ms 23884 KB Output is correct
48 Correct 15 ms 23756 KB Output is correct
49 Correct 14 ms 23756 KB Output is correct
50 Correct 15 ms 23792 KB Output is correct
51 Correct 14 ms 23788 KB Output is correct
52 Correct 15 ms 23756 KB Output is correct
53 Correct 14 ms 23784 KB Output is correct
54 Correct 14 ms 23792 KB Output is correct
55 Correct 14 ms 23756 KB Output is correct
56 Correct 14 ms 23788 KB Output is correct
57 Correct 14 ms 23756 KB Output is correct
58 Correct 14 ms 23788 KB Output is correct
59 Correct 16 ms 23724 KB Output is correct
60 Correct 17 ms 23780 KB Output is correct
61 Correct 18 ms 23756 KB Output is correct
62 Correct 17 ms 23760 KB Output is correct
63 Correct 15 ms 23756 KB Output is correct
64 Correct 14 ms 23816 KB Output is correct
65 Correct 14 ms 23724 KB Output is correct
66 Correct 14 ms 23728 KB Output is correct
67 Correct 15 ms 23740 KB Output is correct
68 Correct 38 ms 31056 KB Output is correct
69 Correct 62 ms 38340 KB Output is correct
70 Correct 15 ms 23724 KB Output is correct
71 Correct 88 ms 45700 KB Output is correct
72 Correct 119 ms 53056 KB Output is correct
73 Correct 128 ms 60368 KB Output is correct
74 Correct 161 ms 67776 KB Output is correct
75 Correct 188 ms 75148 KB Output is correct
76 Correct 208 ms 82476 KB Output is correct
77 Correct 227 ms 89924 KB Output is correct
78 Correct 265 ms 97404 KB Output is correct
79 Correct 333 ms 104632 KB Output is correct
80 Correct 308 ms 112132 KB Output is correct
81 Correct 14 ms 23756 KB Output is correct
82 Correct 330 ms 119372 KB Output is correct
83 Correct 352 ms 126624 KB Output is correct
84 Correct 372 ms 134056 KB Output is correct
85 Correct 406 ms 141364 KB Output is correct
86 Correct 461 ms 148760 KB Output is correct
87 Correct 446 ms 156100 KB Output is correct
88 Correct 502 ms 163332 KB Output is correct
89 Correct 500 ms 170764 KB Output is correct
90 Correct 14 ms 23756 KB Output is correct
91 Correct 16 ms 23756 KB Output is correct
92 Correct 14 ms 23712 KB Output is correct
93 Correct 14 ms 23736 KB Output is correct
94 Correct 15 ms 23728 KB Output is correct
95 Incorrect 14 ms 23788 KB Output isn't correct
96 Halted 0 ms 0 KB -