oj.uz

Submission #764282

# Submission time Handle Problem Language Result Execution time Memory
764282 2023-06-23T10:00:32 Z Blagoj Traffic (IOI10_traffic) C++17
50 / 100
 318 ms 105108 KB 
#include <bits/stdc++.h>
#include "traffic.h"

#pragma GCC optimize("Ofast,unroll-loops")

using namespace std;

#define endl '\n'
#define ll long long
#define all(x) x.begin(), x.end()

vector<int> g[1000003];
int sz[1000003], ppl[1000003];
bool visited[1000003];

void dfs(int n) {
    sz[n] = ppl[n];
    visited[n] = 1;
    for (auto x : g[n]) {
        if (visited[x]) continue;
        dfs(x);
        sz[n] += sz[x];
    }
}

int LocateCentre(int N, int pp[], int S[], int D[]) {
    for (int i = 0; i < N - 1; i++) g[S[i]].push_back(D[i]);
    for (int i = 0; i < N; i++) ppl[i] = pp[i];
    dfs(0);
    queue<pair<int, int>> q;
    q.push({0, 0});
    memset(visited, 0, sizeof(visited));
    visited[0] = 1;
    ll best = LLONG_MAX, id = 0;
    while (q.size() > 0) {
        int place = q.front().first, sum = q.front().second, cnt = 0, mx = q.front().second;
        q.pop();
        for (auto x : g[place]) {
            if (visited[x]) continue;
            mx = max(mx, sz[x]);
            cnt += sz[x];
        }
        if (mx < best) {
            best = mx;
            id = place;
        }
        for (auto x : g[place]) {
            if (visited[x]) continue;
            visited[x] = 1;
            q.push({x, pp[place] + sum + cnt - sz[x]});
        } 
    }
    return id;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 24788 KB Output is correct
2 Correct 14 ms 24788 KB Output is correct
3 Correct 14 ms 24700 KB Output is correct
4 Correct 15 ms 24776 KB Output is correct
5 Correct 12 ms 24788 KB Output is correct
6 Correct 14 ms 24800 KB Output is correct
7 Correct 13 ms 24788 KB Output is correct
8 Correct 13 ms 24788 KB Output is correct
9 Correct 15 ms 24700 KB Output is correct
10 Correct 13 ms 24744 KB Output is correct
11 Correct 13 ms 24696 KB Output is correct
12 Correct 12 ms 24796 KB Output is correct
13 Correct 13 ms 24788 KB Output is correct
14 Correct 16 ms 24692 KB Output is correct
15 Correct 13 ms 24700 KB Output is correct
16 Correct 13 ms 24788 KB Output is correct
17 Correct 13 ms 24788 KB Output is correct
18 Correct 13 ms 24740 KB Output is correct
19 Correct 13 ms 24700 KB Output is correct
20 Correct 13 ms 24700 KB Output is correct
21 Correct 12 ms 24796 KB Output is correct
22 Correct 15 ms 24788 KB Output is correct
23 Correct 12 ms 24696 KB Output is correct
24 Correct 14 ms 24788 KB Output is correct
25 Correct 15 ms 24704 KB Output is correct
26 Correct 13 ms 24696 KB Output is correct
27 Correct 12 ms 24788 KB Output is correct
28 Correct 12 ms 24804 KB Output is correct
29 Correct 13 ms 24788 KB Output is correct
30 Correct 16 ms 24788 KB Output is correct
31 Correct 19 ms 24788 KB Output is correct
32 Correct 14 ms 24792 KB Output is correct
33 Correct 15 ms 24788 KB Output is correct
34 Correct 15 ms 24752 KB Output is correct
35 Correct 13 ms 24832 KB Output is correct
36 Correct 14 ms 24832 KB Output is correct
37 Correct 13 ms 24788 KB Output is correct
38 Correct 13 ms 24788 KB Output is correct
39 Correct 13 ms 24868 KB Output is correct
40 Correct 13 ms 24840 KB Output is correct
41 Correct 13 ms 24788 KB Output is correct
42 Correct 12 ms 24800 KB Output is correct
43 Correct 12 ms 24780 KB Output is correct
44 Correct 13 ms 24696 KB Output is correct
45 Correct 12 ms 24788 KB Output is correct
46 Correct 13 ms 24788 KB Output is correct
47 Correct 15 ms 24700 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 24788 KB Output is correct
2 Correct 14 ms 24788 KB Output is correct
3 Correct 14 ms 24700 KB Output is correct
4 Correct 15 ms 24776 KB Output is correct
5 Correct 12 ms 24788 KB Output is correct
6 Correct 14 ms 24800 KB Output is correct
7 Correct 13 ms 24788 KB Output is correct
8 Correct 13 ms 24788 KB Output is correct
9 Correct 15 ms 24700 KB Output is correct
10 Correct 13 ms 24744 KB Output is correct
11 Correct 13 ms 24696 KB Output is correct
12 Correct 12 ms 24796 KB Output is correct
13 Correct 13 ms 24788 KB Output is correct
14 Correct 16 ms 24692 KB Output is correct
15 Correct 13 ms 24700 KB Output is correct
16 Correct 13 ms 24788 KB Output is correct
17 Correct 13 ms 24788 KB Output is correct
18 Correct 13 ms 24740 KB Output is correct
19 Correct 13 ms 24700 KB Output is correct
20 Correct 13 ms 24700 KB Output is correct
21 Correct 12 ms 24796 KB Output is correct
22 Correct 15 ms 24788 KB Output is correct
23 Correct 12 ms 24696 KB Output is correct
24 Correct 14 ms 24788 KB Output is correct
25 Correct 15 ms 24704 KB Output is correct
26 Correct 13 ms 24696 KB Output is correct
27 Correct 12 ms 24788 KB Output is correct
28 Correct 12 ms 24804 KB Output is correct
29 Correct 13 ms 24788 KB Output is correct
30 Correct 16 ms 24788 KB Output is correct
31 Correct 19 ms 24788 KB Output is correct
32 Correct 14 ms 24792 KB Output is correct
33 Correct 15 ms 24788 KB Output is correct
34 Correct 15 ms 24752 KB Output is correct
35 Correct 13 ms 24832 KB Output is correct
36 Correct 14 ms 24832 KB Output is correct
37 Correct 13 ms 24788 KB Output is correct
38 Correct 13 ms 24788 KB Output is correct
39 Correct 13 ms 24868 KB Output is correct
40 Correct 13 ms 24840 KB Output is correct
41 Correct 13 ms 24788 KB Output is correct
42 Correct 12 ms 24800 KB Output is correct
43 Correct 12 ms 24780 KB Output is correct
44 Correct 13 ms 24696 KB Output is correct
45 Correct 12 ms 24788 KB Output is correct
46 Correct 13 ms 24788 KB Output is correct
47 Correct 15 ms 24700 KB Output is correct
48 Correct 14 ms 24788 KB Output is correct
49 Correct 12 ms 24700 KB Output is correct
50 Correct 12 ms 24788 KB Output is correct
51 Correct 12 ms 24700 KB Output is correct
52 Correct 13 ms 24712 KB Output is correct
53 Correct 13 ms 24700 KB Output is correct
54 Correct 13 ms 24744 KB Output is correct
55 Correct 13 ms 24696 KB Output is correct
56 Correct 12 ms 24728 KB Output is correct
57 Correct 12 ms 24704 KB Output is correct
58 Correct 13 ms 24788 KB Output is correct
59 Correct 13 ms 24704 KB Output is correct
60 Correct 16 ms 24744 KB Output is correct
61 Correct 14 ms 24700 KB Output is correct
62 Correct 14 ms 24788 KB Output is correct
63 Correct 14 ms 24788 KB Output is correct
64 Correct 13 ms 24744 KB Output is correct
65 Correct 13 ms 24696 KB Output is correct
66 Correct 13 ms 24788 KB Output is correct
67 Correct 12 ms 24788 KB Output is correct
68 Correct 38 ms 29652 KB Output is correct
69 Correct 47 ms 33704 KB Output is correct
70 Correct 13 ms 24788 KB Output is correct
71 Correct 57 ms 37652 KB Output is correct
72 Correct 81 ms 41864 KB Output is correct
73 Correct 83 ms 45692 KB Output is correct
74 Correct 104 ms 49768 KB Output is correct
75 Correct 113 ms 53808 KB Output is correct
76 Correct 130 ms 57784 KB Output is correct
77 Correct 140 ms 61860 KB Output is correct
78 Correct 166 ms 65904 KB Output is correct
79 Correct 172 ms 69852 KB Output is correct
80 Correct 199 ms 73836 KB Output is correct
81 Correct 15 ms 24784 KB Output is correct
82 Correct 202 ms 77840 KB Output is correct
83 Correct 214 ms 81996 KB Output is correct
84 Correct 238 ms 85800 KB Output is correct
85 Correct 244 ms 89792 KB Output is correct
86 Correct 259 ms 93680 KB Output is correct
87 Correct 275 ms 97712 KB Output is correct
88 Correct 288 ms 101088 KB Output is correct
89 Correct 318 ms 105108 KB Output is correct
90 Correct 18 ms 24780 KB Output is correct
91 Correct 15 ms 24700 KB Output is correct
92 Correct 13 ms 24788 KB Output is correct
93 Correct 14 ms 24732 KB Output is correct
94 Correct 13 ms 24696 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 24788 KB Output is correct
2 Correct 14 ms 24788 KB Output is correct
3 Correct 14 ms 24700 KB Output is correct
4 Correct 15 ms 24776 KB Output is correct
5 Correct 12 ms 24788 KB Output is correct
6 Correct 14 ms 24800 KB Output is correct
7 Correct 13 ms 24788 KB Output is correct
8 Correct 13 ms 24788 KB Output is correct
9 Correct 15 ms 24700 KB Output is correct
10 Correct 13 ms 24744 KB Output is correct
11 Correct 13 ms 24696 KB Output is correct
12 Correct 12 ms 24796 KB Output is correct
13 Correct 13 ms 24788 KB Output is correct
14 Correct 16 ms 24692 KB Output is correct
15 Correct 13 ms 24700 KB Output is correct
16 Correct 13 ms 24788 KB Output is correct
17 Correct 13 ms 24788 KB Output is correct
18 Correct 13 ms 24740 KB Output is correct
19 Correct 13 ms 24700 KB Output is correct
20 Correct 13 ms 24700 KB Output is correct
21 Correct 12 ms 24796 KB Output is correct
22 Correct 15 ms 24788 KB Output is correct
23 Correct 12 ms 24696 KB Output is correct
24 Correct 14 ms 24788 KB Output is correct
25 Correct 15 ms 24704 KB Output is correct
26 Correct 13 ms 24696 KB Output is correct
27 Correct 12 ms 24788 KB Output is correct
28 Correct 12 ms 24804 KB Output is correct
29 Correct 13 ms 24788 KB Output is correct
30 Correct 16 ms 24788 KB Output is correct
31 Correct 19 ms 24788 KB Output is correct
32 Correct 14 ms 24792 KB Output is correct
33 Correct 15 ms 24788 KB Output is correct
34 Correct 15 ms 24752 KB Output is correct
35 Correct 13 ms 24832 KB Output is correct
36 Correct 14 ms 24832 KB Output is correct
37 Correct 13 ms 24788 KB Output is correct
38 Correct 13 ms 24788 KB Output is correct
39 Correct 13 ms 24868 KB Output is correct
40 Correct 13 ms 24840 KB Output is correct
41 Correct 13 ms 24788 KB Output is correct
42 Correct 12 ms 24800 KB Output is correct
43 Correct 12 ms 24780 KB Output is correct
44 Correct 13 ms 24696 KB Output is correct
45 Correct 12 ms 24788 KB Output is correct
46 Correct 13 ms 24788 KB Output is correct
47 Correct 15 ms 24700 KB Output is correct
48 Incorrect 13 ms 24788 KB Output isn't correct
49 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 24788 KB Output is correct
2 Correct 14 ms 24788 KB Output is correct
3 Correct 14 ms 24700 KB Output is correct
4 Correct 15 ms 24776 KB Output is correct
5 Correct 12 ms 24788 KB Output is correct
6 Correct 14 ms 24800 KB Output is correct
7 Correct 13 ms 24788 KB Output is correct
8 Correct 13 ms 24788 KB Output is correct
9 Correct 15 ms 24700 KB Output is correct
10 Correct 13 ms 24744 KB Output is correct
11 Correct 13 ms 24696 KB Output is correct
12 Correct 12 ms 24796 KB Output is correct
13 Correct 13 ms 24788 KB Output is correct
14 Correct 16 ms 24692 KB Output is correct
15 Correct 13 ms 24700 KB Output is correct
16 Correct 13 ms 24788 KB Output is correct
17 Correct 13 ms 24788 KB Output is correct
18 Correct 13 ms 24740 KB Output is correct
19 Correct 13 ms 24700 KB Output is correct
20 Correct 13 ms 24700 KB Output is correct
21 Correct 12 ms 24796 KB Output is correct
22 Correct 15 ms 24788 KB Output is correct
23 Correct 12 ms 24696 KB Output is correct
24 Correct 14 ms 24788 KB Output is correct
25 Correct 15 ms 24704 KB Output is correct
26 Correct 13 ms 24696 KB Output is correct
27 Correct 12 ms 24788 KB Output is correct
28 Correct 12 ms 24804 KB Output is correct
29 Correct 13 ms 24788 KB Output is correct
30 Correct 16 ms 24788 KB Output is correct
31 Correct 19 ms 24788 KB Output is correct
32 Correct 14 ms 24792 KB Output is correct
33 Correct 15 ms 24788 KB Output is correct
34 Correct 15 ms 24752 KB Output is correct
35 Correct 13 ms 24832 KB Output is correct
36 Correct 14 ms 24832 KB Output is correct
37 Correct 13 ms 24788 KB Output is correct
38 Correct 13 ms 24788 KB Output is correct
39 Correct 13 ms 24868 KB Output is correct
40 Correct 13 ms 24840 KB Output is correct
41 Correct 13 ms 24788 KB Output is correct
42 Correct 12 ms 24800 KB Output is correct
43 Correct 12 ms 24780 KB Output is correct
44 Correct 13 ms 24696 KB Output is correct
45 Correct 12 ms 24788 KB Output is correct
46 Correct 13 ms 24788 KB Output is correct
47 Correct 15 ms 24700 KB Output is correct
48 Correct 14 ms 24788 KB Output is correct
49 Correct 12 ms 24700 KB Output is correct
50 Correct 12 ms 24788 KB Output is correct
51 Correct 12 ms 24700 KB Output is correct
52 Correct 13 ms 24712 KB Output is correct
53 Correct 13 ms 24700 KB Output is correct
54 Correct 13 ms 24744 KB Output is correct
55 Correct 13 ms 24696 KB Output is correct
56 Correct 12 ms 24728 KB Output is correct
57 Correct 12 ms 24704 KB Output is correct
58 Correct 13 ms 24788 KB Output is correct
59 Correct 13 ms 24704 KB Output is correct
60 Correct 16 ms 24744 KB Output is correct
61 Correct 14 ms 24700 KB Output is correct
62 Correct 14 ms 24788 KB Output is correct
63 Correct 14 ms 24788 KB Output is correct
64 Correct 13 ms 24744 KB Output is correct
65 Correct 13 ms 24696 KB Output is correct
66 Correct 13 ms 24788 KB Output is correct
67 Correct 12 ms 24788 KB Output is correct
68 Correct 38 ms 29652 KB Output is correct
69 Correct 47 ms 33704 KB Output is correct
70 Correct 13 ms 24788 KB Output is correct
71 Correct 57 ms 37652 KB Output is correct
72 Correct 81 ms 41864 KB Output is correct
73 Correct 83 ms 45692 KB Output is correct
74 Correct 104 ms 49768 KB Output is correct
75 Correct 113 ms 53808 KB Output is correct
76 Correct 130 ms 57784 KB Output is correct
77 Correct 140 ms 61860 KB Output is correct
78 Correct 166 ms 65904 KB Output is correct
79 Correct 172 ms 69852 KB Output is correct
80 Correct 199 ms 73836 KB Output is correct
81 Correct 15 ms 24784 KB Output is correct
82 Correct 202 ms 77840 KB Output is correct
83 Correct 214 ms 81996 KB Output is correct
84 Correct 238 ms 85800 KB Output is correct
85 Correct 244 ms 89792 KB Output is correct
86 Correct 259 ms 93680 KB Output is correct
87 Correct 275 ms 97712 KB Output is correct
88 Correct 288 ms 101088 KB Output is correct
89 Correct 318 ms 105108 KB Output is correct
90 Correct 18 ms 24780 KB Output is correct
91 Correct 15 ms 24700 KB Output is correct
92 Correct 13 ms 24788 KB Output is correct
93 Correct 14 ms 24732 KB Output is correct
94 Correct 13 ms 24696 KB Output is correct
95 Incorrect 13 ms 24788 KB Output isn't correct
96 Halted 0 ms 0 KB -