답안 #426495

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
426495	2021-06-14T05:23:55 Z	Aldas25	꿈 (IOI13_dreaming)	C++14	47 / 100	111 ms	17884 KB

dreaming

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	Grader output
1	Incorrect	22 ms	6884 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	-

답안 #426495

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0