oj.uz

Submission #426495

# Submission time Handle Problem Language Result Execution time Memory
426495 2021-06-14T05:23:55 Z Aldas25 Dreaming (IOI13_dreaming) C++14
47 / 100
 111 ms 17884 KB 
#include "dreaming.h"
#include <bits/stdc++.h>

using namespace std;

#define FOR(i, a, b) for (int i = (a); i<= (b); i++)
#define REP(n) FOR(O, 1, (n))
#define f first
#define s second
#define pb push_back
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;
typedef long long ll;
typedef vector<ll> vl;

const int MAXN = 100100;
const ll INF = 1e15;

int n, m;
ll l;
vii adj[MAXN];

ll dp[MAXN][2];
bool vis[MAXN];

ll mx, sm;

void dfs1 (int v, int p = -1) {
    vis[v] = true;
    for (auto pp : adj[v]) {
        int u = pp.f;
        ll w = pp.s;
        if (u == p) continue;
        dfs1(u, v);

        ll cr = dp[u][0] + w;
        if (cr > dp[v][1]) dp[v][1] = cr;
        if (dp[v][1] > dp[v][0]) swap(dp[v][0], dp[v][1]);
    }

    mx = max(mx, dp[v][0]+dp[v][1]);

    //cout << " v = " << v << " dp0 = " << dp[v][0] << " dp1 = " << dp[v][1] << endl;
}

void dfs2 (int v, int p = -1, ll prevW = 0) {
    if (p != -1) {
        ll cr = 0;
        if (dp[p][0] != dp[v][0] + prevW)
            cr = dp[p][0] + prevW;
        else
            cr = dp[p][1] + prevW;

        if (cr > dp[v][1]) dp[v][1] = cr;
        if (dp[v][1] > dp[v][0]) swap(dp[v][0], dp[v][1]);
    }

    for (auto pp : adj[v]) {
        int u = pp.f;
        ll w = pp.s;
        if (u == p) continue;
        dfs2(u, v, w);
    }

    sm = min(sm, dp[v][0]);

    //cout << " dfs2 v = " << v << " dp0 = " << dp[v][0] << " dp1 = " << dp[v][1] << endl;
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    n = N;
    m = M;
    l = L;
    FOR(i, 0, m-1) {
        adj[A[i]].pb({B[i], T[i]});
        adj[B[i]].pb({A[i], T[i]});
    }

    ll ans = 0;
    ll cur = l;
    FOR(i, 0, n-1) {
        if (vis[i]) continue;
        mx = 0;
        dfs1 (i);
        ans = max(mx, ans);

        sm = INF;
        dfs2 (i);
        cur += sm;
    }
    ans = max(ans, cur);

    return ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 12564 KB Output is correct
2 Correct 58 ms 12924 KB Output is correct
3 Correct 38 ms 11096 KB Output is correct
4 Correct 11 ms 4300 KB Output is correct
5 Correct 8 ms 3660 KB Output is correct
6 Correct 13 ms 4968 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 24 ms 7040 KB Output is correct
9 Correct 37 ms 9376 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 55 ms 10464 KB Output is correct
12 Correct 68 ms 11896 KB Output is correct
13 Correct 3 ms 2764 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2652 KB Output is correct
4 Correct 2 ms 2684 KB Output is correct
5 Correct 2 ms 2656 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 3 ms 2636 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2656 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2648 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 12564 KB Output is correct
2 Correct 58 ms 12924 KB Output is correct
3 Correct 38 ms 11096 KB Output is correct
4 Correct 11 ms 4300 KB Output is correct
5 Correct 8 ms 3660 KB Output is correct
6 Correct 13 ms 4968 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 24 ms 7040 KB Output is correct
9 Correct 37 ms 9376 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 55 ms 10464 KB Output is correct
12 Correct 68 ms 11896 KB Output is correct
13 Correct 3 ms 2764 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2684 KB Output is correct
18 Correct 2 ms 2656 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct
26 Correct 2 ms 2648 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 2 ms 2656 KB Output is correct
31 Correct 2 ms 2636 KB Output is correct
32 Correct 2 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2648 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 71 ms 13220 KB Output is correct
40 Correct 72 ms 12868 KB Output is correct
41 Correct 36 ms 11120 KB Output is correct
42 Correct 11 ms 4172 KB Output is correct
43 Correct 2 ms 2636 KB Output is correct
44 Correct 2 ms 2636 KB Output is correct
45 Correct 2 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 3 ms 2632 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 2 ms 2636 KB Output is correct
52 Correct 2 ms 2660 KB Output is correct
53 Correct 2 ms 2764 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2636 KB Output is correct
56 Correct 3 ms 2764 KB Output is correct
57 Correct 77 ms 10764 KB Output is correct
58 Correct 72 ms 10812 KB Output is correct
59 Correct 82 ms 10696 KB Output is correct
60 Correct 75 ms 10664 KB Output is correct
61 Correct 85 ms 10844 KB Output is correct
62 Correct 72 ms 10820 KB Output is correct
63 Correct 85 ms 10496 KB Output is correct
64 Correct 69 ms 10504 KB Output is correct
65 Correct 66 ms 10692 KB Output is correct
66 Correct 73 ms 10812 KB Output is correct
67 Correct 74 ms 10720 KB Output is correct
68 Correct 109 ms 10756 KB Output is correct
69 Correct 79 ms 11000 KB Output is correct
70 Correct 74 ms 10968 KB Output is correct
71 Correct 2 ms 2636 KB Output is correct
72 Correct 3 ms 2892 KB Output is correct
73 Correct 4 ms 2932 KB Output is correct
74 Correct 4 ms 2892 KB Output is correct
75 Correct 4 ms 2892 KB Output is correct
76 Correct 4 ms 2928 KB Output is correct
77 Correct 4 ms 2892 KB Output is correct
78 Correct 4 ms 2844 KB Output is correct
79 Correct 3 ms 2892 KB Output is correct
80 Correct 92 ms 10640 KB Output is correct
81 Correct 91 ms 10764 KB Output is correct
82 Correct 111 ms 10728 KB Output is correct
83 Correct 93 ms 10820 KB Output is correct
84 Correct 3 ms 2764 KB Output is correct
85 Correct 3 ms 2764 KB Output is correct
86 Correct 3 ms 2764 KB Output is correct
87 Correct 3 ms 2764 KB Output is correct
88 Correct 3 ms 2836 KB Output is correct
89 Correct 3 ms 2828 KB Output is correct
90 Correct 4 ms 2764 KB Output is correct
91 Correct 4 ms 2796 KB Output is correct
92 Correct 4 ms 2892 KB Output is correct
93 Correct 3 ms 2796 KB Output is correct
94 Correct 2 ms 2648 KB Output is correct
95 Correct 2 ms 2636 KB Output is correct
96 Correct 2 ms 2636 KB Output is correct
97 Correct 2 ms 2636 KB Output is correct
98 Correct 2 ms 2636 KB Output is correct
99 Correct 2 ms 2636 KB Output is correct
100 Correct 2 ms 2636 KB Output is correct
101 Correct 2 ms 2636 KB Output is correct
102 Correct 2 ms 2636 KB Output is correct
103 Correct 2 ms 2660 KB Output is correct
104 Correct 9 ms 3532 KB Output is correct
105 Correct 14 ms 4940 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 29 ms 6964 KB Output is correct
108 Correct 33 ms 9292 KB Output is correct
109 Correct 2 ms 2664 KB Output is correct
110 Correct 56 ms 10564 KB Output is correct
111 Correct 86 ms 11788 KB Output is correct
112 Correct 3 ms 2764 KB Output is correct
113 Correct 84 ms 17884 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 6884 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 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2652 KB Output is correct
4 Correct 2 ms 2684 KB Output is correct
5 Correct 2 ms 2656 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 3 ms 2636 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2656 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2648 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 4 ms 2784 KB Output is correct
28 Correct 3 ms 2892 KB Output is correct
29 Incorrect 3 ms 2664 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 12564 KB Output is correct
2 Correct 58 ms 12924 KB Output is correct
3 Correct 38 ms 11096 KB Output is correct
4 Correct 11 ms 4300 KB Output is correct
5 Correct 8 ms 3660 KB Output is correct
6 Correct 13 ms 4968 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 24 ms 7040 KB Output is correct
9 Correct 37 ms 9376 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 55 ms 10464 KB Output is correct
12 Correct 68 ms 11896 KB Output is correct
13 Correct 3 ms 2764 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2684 KB Output is correct
18 Correct 2 ms 2656 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct
26 Correct 2 ms 2648 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 2 ms 2656 KB Output is correct
31 Correct 2 ms 2636 KB Output is correct
32 Correct 2 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2648 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 71 ms 13220 KB Output is correct
40 Correct 72 ms 12868 KB Output is correct
41 Correct 36 ms 11120 KB Output is correct
42 Correct 11 ms 4172 KB Output is correct
43 Correct 2 ms 2636 KB Output is correct
44 Correct 2 ms 2636 KB Output is correct
45 Correct 2 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 3 ms 2632 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 2 ms 2636 KB Output is correct
52 Correct 2 ms 2660 KB Output is correct
53 Correct 2 ms 2764 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2636 KB Output is correct
56 Correct 3 ms 2764 KB Output is correct
57 Correct 77 ms 10764 KB Output is correct
58 Correct 72 ms 10812 KB Output is correct
59 Correct 82 ms 10696 KB Output is correct
60 Correct 75 ms 10664 KB Output is correct
61 Correct 85 ms 10844 KB Output is correct
62 Correct 72 ms 10820 KB Output is correct
63 Correct 85 ms 10496 KB Output is correct
64 Correct 69 ms 10504 KB Output is correct
65 Correct 66 ms 10692 KB Output is correct
66 Correct 73 ms 10812 KB Output is correct
67 Correct 74 ms 10720 KB Output is correct
68 Correct 109 ms 10756 KB Output is correct
69 Correct 79 ms 11000 KB Output is correct
70 Correct 74 ms 10968 KB Output is correct
71 Correct 2 ms 2636 KB Output is correct
72 Correct 3 ms 2892 KB Output is correct
73 Correct 4 ms 2932 KB Output is correct
74 Correct 4 ms 2892 KB Output is correct
75 Correct 4 ms 2892 KB Output is correct
76 Correct 4 ms 2928 KB Output is correct
77 Correct 4 ms 2892 KB Output is correct
78 Correct 4 ms 2844 KB Output is correct
79 Correct 3 ms 2892 KB Output is correct
80 Correct 92 ms 10640 KB Output is correct
81 Correct 91 ms 10764 KB Output is correct
82 Correct 111 ms 10728 KB Output is correct
83 Correct 93 ms 10820 KB Output is correct
84 Correct 3 ms 2764 KB Output is correct
85 Correct 3 ms 2764 KB Output is correct
86 Correct 3 ms 2764 KB Output is correct
87 Correct 3 ms 2764 KB Output is correct
88 Correct 3 ms 2836 KB Output is correct
89 Correct 3 ms 2828 KB Output is correct
90 Correct 4 ms 2764 KB Output is correct
91 Correct 4 ms 2796 KB Output is correct
92 Correct 4 ms 2892 KB Output is correct
93 Correct 3 ms 2796 KB Output is correct
94 Correct 2 ms 2648 KB Output is correct
95 Correct 2 ms 2636 KB Output is correct
96 Correct 2 ms 2636 KB Output is correct
97 Correct 2 ms 2636 KB Output is correct
98 Correct 2 ms 2636 KB Output is correct
99 Correct 2 ms 2636 KB Output is correct
100 Correct 2 ms 2636 KB Output is correct
101 Correct 2 ms 2636 KB Output is correct
102 Correct 2 ms 2636 KB Output is correct
103 Correct 2 ms 2660 KB Output is correct
104 Correct 9 ms 3532 KB Output is correct
105 Correct 14 ms 4940 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 29 ms 6964 KB Output is correct
108 Correct 33 ms 9292 KB Output is correct
109 Correct 2 ms 2664 KB Output is correct
110 Correct 56 ms 10564 KB Output is correct
111 Correct 86 ms 11788 KB Output is correct
112 Correct 3 ms 2764 KB Output is correct
113 Correct 84 ms 17884 KB Output is correct
114 Incorrect 22 ms 6884 KB Output isn't correct
115 Halted 0 ms 0 KB -