oj.uz

Submission #553908

# Submission time Handle Problem Language Result Execution time Memory
553908 2022-04-27T09:48:23 Z elazarkoren Dreaming (IOI13_dreaming) C++17
47 / 100
 68 ms 19492 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define chkmin(a, b) a = min(a, b)
#define chkmax(a, b) a = max(a, b)
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef vector<pii> vii;

const int MAX_N = 1e5 + 5;

vii tree[MAX_N];
int deg[MAX_N];

bitset<MAX_N> visited;

pii DfsFar(int node, int parent, int d) {
    visited[node] = true;
    pii p = {d, node};
    for (auto [neighbor, w] : tree[node]) {
        if (neighbor != parent) {
            chkmax(p, DfsFar(neighbor, node, d + w));
        }
    }
    return p;
}

bool DfsPath(int node, int parent, int end, vii &path) {
    if (node == end) {
        path.push_back({node, 0});
        return true;
    }
    for (auto [neighbor, w] : tree[node]) {
        if (neighbor != parent && DfsPath(neighbor, node, end, path)) {
            path.push_back({node, w});
            return true;
        }
    }
    return false;
}

int ans = 0;

int FindRadius(int node) {
    int v = DfsFar(node, -1, 0).y;
    auto [diameter, u] = DfsFar(v, -1, 0);
    int x = diameter;
    int dist = 0;
    vii path;
    DfsPath(v, -1, u, path);
    for (auto [node, w] : path) {
        chkmin(x, max(dist, diameter - dist));
        dist += w;
    }
    chkmax(ans, diameter);
    return x;
}

int travelTime(int n, int m, int l, int a[], int b[], int t[]) {
    for (int i = 0; i < m; i++) {
        deg[a[i]]++, deg[b[i]]++;
    }
    for (int i = 0; i < n; i++) {
        tree[i].reserve(deg[i]);
    }
    for (int i = 0; i < m; i++) {
        tree[a[i]].push_back({b[i], t[i]});
        tree[b[i]].push_back({a[i], t[i]});
    }
    int s = 0;
    for (int i = 0; i < n; i++) {
        if (!visited[i]) {
            s += FindRadius(i) + l;
        }
    }
    chkmax(ans, s - l);
    return ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 16600 KB Output is correct
2 Correct 54 ms 16860 KB Output is correct
3 Correct 34 ms 11944 KB Output is correct
4 Correct 7 ms 4972 KB Output is correct
5 Correct 6 ms 3796 KB Output is correct
6 Correct 11 ms 6100 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 22 ms 7400 KB Output is correct
9 Correct 27 ms 9572 KB Output is correct
10 Correct 2 ms 2656 KB Output is correct
11 Correct 38 ms 11244 KB Output is correct
12 Correct 44 ms 14284 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2584 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2656 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2656 KB Output is correct
9 Correct 2 ms 2648 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2652 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 16600 KB Output is correct
2 Correct 54 ms 16860 KB Output is correct
3 Correct 34 ms 11944 KB Output is correct
4 Correct 7 ms 4972 KB Output is correct
5 Correct 6 ms 3796 KB Output is correct
6 Correct 11 ms 6100 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 22 ms 7400 KB Output is correct
9 Correct 27 ms 9572 KB Output is correct
10 Correct 2 ms 2656 KB Output is correct
11 Correct 38 ms 11244 KB Output is correct
12 Correct 44 ms 14284 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2584 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2656 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 1 ms 2656 KB Output is correct
22 Correct 2 ms 2648 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct
26 Correct 2 ms 2652 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2652 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2652 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2652 KB Output is correct
39 Correct 56 ms 17796 KB Output is correct
40 Correct 52 ms 17824 KB Output is correct
41 Correct 31 ms 12680 KB Output is correct
42 Correct 9 ms 4992 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2652 KB Output is correct
48 Correct 2 ms 2656 KB Output is correct
49 Correct 2 ms 2656 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 2 ms 2660 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 2 ms 2644 KB Output is correct
54 Correct 2 ms 2644 KB Output is correct
55 Correct 1 ms 2644 KB Output is correct
56 Correct 2 ms 2660 KB Output is correct
57 Correct 45 ms 8680 KB Output is correct
58 Correct 48 ms 8660 KB Output is correct
59 Correct 45 ms 8940 KB Output is correct
60 Correct 44 ms 8904 KB Output is correct
61 Correct 47 ms 9036 KB Output is correct
62 Correct 45 ms 9036 KB Output is correct
63 Correct 42 ms 8988 KB Output is correct
64 Correct 40 ms 8900 KB Output is correct
65 Correct 42 ms 9176 KB Output is correct
66 Correct 41 ms 9164 KB Output is correct
67 Correct 43 ms 8908 KB Output is correct
68 Correct 48 ms 8872 KB Output is correct
69 Correct 48 ms 9244 KB Output is correct
70 Correct 45 ms 9124 KB Output is correct
71 Correct 2 ms 2644 KB Output is correct
72 Correct 3 ms 2772 KB Output is correct
73 Correct 3 ms 2796 KB Output is correct
74 Correct 3 ms 2796 KB Output is correct
75 Correct 3 ms 2772 KB Output is correct
76 Correct 3 ms 2772 KB Output is correct
77 Correct 3 ms 2772 KB Output is correct
78 Correct 3 ms 2772 KB Output is correct
79 Correct 3 ms 2772 KB Output is correct
80 Correct 47 ms 8828 KB Output is correct
81 Correct 45 ms 8948 KB Output is correct
82 Correct 44 ms 9040 KB Output is correct
83 Correct 44 ms 9036 KB Output is correct
84 Correct 2 ms 2772 KB Output is correct
85 Correct 2 ms 2772 KB Output is correct
86 Correct 3 ms 2772 KB Output is correct
87 Correct 2 ms 2796 KB Output is correct
88 Correct 3 ms 2792 KB Output is correct
89 Correct 3 ms 2792 KB Output is correct
90 Correct 3 ms 2788 KB Output is correct
91 Correct 3 ms 2796 KB Output is correct
92 Correct 3 ms 2832 KB Output is correct
93 Correct 2 ms 2772 KB Output is correct
94 Correct 2 ms 2644 KB Output is correct
95 Correct 2 ms 2644 KB Output is correct
96 Correct 2 ms 2644 KB Output is correct
97 Correct 2 ms 2656 KB Output is correct
98 Correct 2 ms 2644 KB Output is correct
99 Correct 2 ms 2644 KB Output is correct
100 Correct 2 ms 2644 KB Output is correct
101 Correct 2 ms 2644 KB Output is correct
102 Correct 1 ms 2644 KB Output is correct
103 Correct 2 ms 2644 KB Output is correct
104 Correct 6 ms 3824 KB Output is correct
105 Correct 11 ms 6096 KB Output is correct
106 Correct 2 ms 2644 KB Output is correct
107 Correct 20 ms 7604 KB Output is correct
108 Correct 25 ms 10028 KB Output is correct
109 Correct 2 ms 2660 KB Output is correct
110 Correct 39 ms 12112 KB Output is correct
111 Correct 45 ms 15100 KB Output is correct
112 Correct 2 ms 2772 KB Output is correct
113 Correct 68 ms 19492 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 5332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2584 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2656 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2656 KB Output is correct
9 Correct 2 ms 2648 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2652 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct
26 Incorrect 2 ms 2660 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 16600 KB Output is correct
2 Correct 54 ms 16860 KB Output is correct
3 Correct 34 ms 11944 KB Output is correct
4 Correct 7 ms 4972 KB Output is correct
5 Correct 6 ms 3796 KB Output is correct
6 Correct 11 ms 6100 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 22 ms 7400 KB Output is correct
9 Correct 27 ms 9572 KB Output is correct
10 Correct 2 ms 2656 KB Output is correct
11 Correct 38 ms 11244 KB Output is correct
12 Correct 44 ms 14284 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2584 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2656 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 1 ms 2656 KB Output is correct
22 Correct 2 ms 2648 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct
26 Correct 2 ms 2652 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2652 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2652 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2652 KB Output is correct
39 Correct 56 ms 17796 KB Output is correct
40 Correct 52 ms 17824 KB Output is correct
41 Correct 31 ms 12680 KB Output is correct
42 Correct 9 ms 4992 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2652 KB Output is correct
48 Correct 2 ms 2656 KB Output is correct
49 Correct 2 ms 2656 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 2 ms 2660 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 2 ms 2644 KB Output is correct
54 Correct 2 ms 2644 KB Output is correct
55 Correct 1 ms 2644 KB Output is correct
56 Correct 2 ms 2660 KB Output is correct
57 Correct 45 ms 8680 KB Output is correct
58 Correct 48 ms 8660 KB Output is correct
59 Correct 45 ms 8940 KB Output is correct
60 Correct 44 ms 8904 KB Output is correct
61 Correct 47 ms 9036 KB Output is correct
62 Correct 45 ms 9036 KB Output is correct
63 Correct 42 ms 8988 KB Output is correct
64 Correct 40 ms 8900 KB Output is correct
65 Correct 42 ms 9176 KB Output is correct
66 Correct 41 ms 9164 KB Output is correct
67 Correct 43 ms 8908 KB Output is correct
68 Correct 48 ms 8872 KB Output is correct
69 Correct 48 ms 9244 KB Output is correct
70 Correct 45 ms 9124 KB Output is correct
71 Correct 2 ms 2644 KB Output is correct
72 Correct 3 ms 2772 KB Output is correct
73 Correct 3 ms 2796 KB Output is correct
74 Correct 3 ms 2796 KB Output is correct
75 Correct 3 ms 2772 KB Output is correct
76 Correct 3 ms 2772 KB Output is correct
77 Correct 3 ms 2772 KB Output is correct
78 Correct 3 ms 2772 KB Output is correct
79 Correct 3 ms 2772 KB Output is correct
80 Correct 47 ms 8828 KB Output is correct
81 Correct 45 ms 8948 KB Output is correct
82 Correct 44 ms 9040 KB Output is correct
83 Correct 44 ms 9036 KB Output is correct
84 Correct 2 ms 2772 KB Output is correct
85 Correct 2 ms 2772 KB Output is correct
86 Correct 3 ms 2772 KB Output is correct
87 Correct 2 ms 2796 KB Output is correct
88 Correct 3 ms 2792 KB Output is correct
89 Correct 3 ms 2792 KB Output is correct
90 Correct 3 ms 2788 KB Output is correct
91 Correct 3 ms 2796 KB Output is correct
92 Correct 3 ms 2832 KB Output is correct
93 Correct 2 ms 2772 KB Output is correct
94 Correct 2 ms 2644 KB Output is correct
95 Correct 2 ms 2644 KB Output is correct
96 Correct 2 ms 2644 KB Output is correct
97 Correct 2 ms 2656 KB Output is correct
98 Correct 2 ms 2644 KB Output is correct
99 Correct 2 ms 2644 KB Output is correct
100 Correct 2 ms 2644 KB Output is correct
101 Correct 2 ms 2644 KB Output is correct
102 Correct 1 ms 2644 KB Output is correct
103 Correct 2 ms 2644 KB Output is correct
104 Correct 6 ms 3824 KB Output is correct
105 Correct 11 ms 6096 KB Output is correct
106 Correct 2 ms 2644 KB Output is correct
107 Correct 20 ms 7604 KB Output is correct
108 Correct 25 ms 10028 KB Output is correct
109 Correct 2 ms 2660 KB Output is correct
110 Correct 39 ms 12112 KB Output is correct
111 Correct 45 ms 15100 KB Output is correct
112 Correct 2 ms 2772 KB Output is correct
113 Correct 68 ms 19492 KB Output is correct
114 Incorrect 18 ms 5332 KB Output isn't correct
115 Halted 0 ms 0 KB -