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답안 #724486

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
724486 2023-04-15T11:34:15 Z Dan4Life 꿈 (IOI13_dreaming) C++17
59 / 100
 1000 ms 16080 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
const int mxN = (int)1e5+10;
const int INF = (int)1e9;
int n, m, l,CC=1,ans2;
vector<int> path, v;
int vis[mxN], dis[mxN];
vector<pair<int,int>> adj[mxN];

bool dfs2(int s, int p, int t){
    if(s==t) return 1;
    for(auto x : adj[s]){
        int u = x.fi, w = x.se;
        if(u==p) continue;
        if(dfs2(u,s,t)){ path.pb(w); return 1; }
    }
    return 0;
}

void dfs(int s, int p){
    vis[s]=CC;
    for(auto x : adj[s]){
        int u = x.fi, w = x.se;
        if(u==p) continue;
        dis[u] = dis[s]+w; dfs(u,s);
    }
}

void calcDiam(int s){
    int a=s, b=s, mx = 0;
    dis[s]=0; dfs(s,-1);
    for(int i = 1; i <= n; i++)
        if(vis[i]==CC and mx<=dis[i]) mx=dis[i],a=i;
    dis[a]=0; mx = 0; dfs(a,-1);
    for(int i = 1; i <= n; i++)
        if(vis[i]==CC and mx<=dis[i]) mx=dis[i],b=i;
    path.clear(); dfs2(a,-1,b);
    int dis1 = accumulate(all(path),0), dis2 = 0;
    int ans = dis1; ans2 = max(ans2, dis1);
    for(auto u : path){
        dis1-=u, dis2+=u;
        ans = min(ans, max(dis1,dis2));
    }
    v.pb(ans);
    for(int i = sz(v)-2; i>=0; i--)
        if(v[i]<v[i+1])swap(v[i],v[i+1]);
    if(sz(v)==4) v.pop_back();
}

int travelTime(int N, int M, int L, int a[], int b[], int c[]) {
    n = N; m = M; l = L;
    for(int i = 0; i < m; i++){
        a[i]++, b[i]++;
        adj[a[i]].pb({b[i],c[i]});
        adj[b[i]].pb({a[i],c[i]});
    }
    for(int i = 1; i <= n; i++)
        if(!vis[i]) calcDiam(i),CC++;
    int ans = INF;
    if(sz(v)==1) return ans2;
    if(sz(v)>=2) ans = v[0]+l+v[1];
    if(sz(v)>=3) ans = max(ans,v[1]+l*2+v[2]);
    return max(ans, ans2);
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 15060 KB Output is correct
2 Correct 47 ms 14960 KB Output is correct
3 Correct 29 ms 10752 KB Output is correct
4 Correct 8 ms 4436 KB Output is correct
5 Correct 6 ms 3572 KB Output is correct
6 Correct 12 ms 5400 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 23 ms 6692 KB Output is correct
9 Correct 29 ms 8652 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 44 ms 10312 KB Output is correct
12 Correct 53 ms 12776 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 2 ms 2644 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 1 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 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 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 15060 KB Output is correct
2 Correct 47 ms 14960 KB Output is correct
3 Correct 29 ms 10752 KB Output is correct
4 Correct 8 ms 4436 KB Output is correct
5 Correct 6 ms 3572 KB Output is correct
6 Correct 12 ms 5400 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 23 ms 6692 KB Output is correct
9 Correct 29 ms 8652 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 44 ms 10312 KB Output is correct
12 Correct 53 ms 12776 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 3 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 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct
26 Correct 2 ms 2644 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 2644 KB Output is correct
30 Correct 1 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 1 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 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 46 ms 15048 KB Output is correct
40 Correct 48 ms 15044 KB Output is correct
41 Correct 35 ms 10700 KB Output is correct
42 Correct 8 ms 4508 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2616 KB Output is correct
47 Correct 2 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 1 ms 2644 KB Output is correct
51 Correct 3 ms 2644 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 2 ms 2644 KB Output is correct
56 Correct 2 ms 2644 KB Output is correct
57 Correct 86 ms 8556 KB Output is correct
58 Correct 88 ms 8584 KB Output is correct
59 Correct 72 ms 8500 KB Output is correct
60 Correct 90 ms 8524 KB Output is correct
61 Correct 76 ms 8396 KB Output is correct
62 Correct 78 ms 8496 KB Output is correct
63 Correct 56 ms 8256 KB Output is correct
64 Correct 50 ms 8256 KB Output is correct
65 Correct 51 ms 8268 KB Output is correct
66 Correct 48 ms 8244 KB Output is correct
67 Correct 75 ms 8504 KB Output is correct
68 Correct 75 ms 8448 KB Output is correct
69 Correct 56 ms 8568 KB Output is correct
70 Correct 58 ms 8492 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 2772 KB Output is correct
74 Correct 4 ms 2828 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 2760 KB Output is correct
79 Correct 3 ms 2772 KB Output is correct
80 Correct 54 ms 8424 KB Output is correct
81 Correct 71 ms 8512 KB Output is correct
82 Correct 56 ms 8368 KB Output is correct
83 Correct 50 ms 8448 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 3 ms 2772 KB Output is correct
88 Correct 2 ms 2772 KB Output is correct
89 Correct 2 ms 2772 KB Output is correct
90 Correct 3 ms 2772 KB Output is correct
91 Correct 3 ms 2772 KB Output is correct
92 Correct 3 ms 2772 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 2644 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 2 ms 2644 KB Output is correct
103 Correct 2 ms 2644 KB Output is correct
104 Correct 6 ms 3520 KB Output is correct
105 Correct 12 ms 5332 KB Output is correct
106 Correct 2 ms 2644 KB Output is correct
107 Correct 25 ms 6740 KB Output is correct
108 Correct 29 ms 8732 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 46 ms 10308 KB Output is correct
111 Correct 57 ms 12776 KB Output is correct
112 Correct 2 ms 2772 KB Output is correct
113 Correct 84 ms 16080 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1087 ms 5676 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 2 ms 2644 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 1 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 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 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 3 ms 2772 KB Output is correct
28 Correct 4 ms 2772 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 3 ms 2772 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2772 KB Output is correct
34 Correct 3 ms 2772 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2644 KB Output is correct
41 Correct 1 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 1 ms 2644 KB Output is correct
47 Correct 2 ms 2644 KB Output is correct
48 Correct 1 ms 2644 KB Output is correct
49 Correct 2 ms 2772 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 2 ms 2644 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 1 ms 2644 KB Output is correct
54 Correct 3 ms 3028 KB Output is correct
55 Correct 3 ms 3028 KB Output is correct
56 Correct 7 ms 2708 KB Output is correct
57 Correct 7 ms 2644 KB Output is correct
58 Correct 3 ms 2772 KB Output is correct
59 Correct 3 ms 2772 KB Output is correct
60 Correct 6 ms 2772 KB Output is correct
61 Correct 9 ms 2744 KB Output is correct
62 Correct 3 ms 2772 KB Output is correct
63 Correct 3 ms 2772 KB Output is correct
64 Correct 7 ms 2644 KB Output is correct
65 Correct 5 ms 2796 KB Output is correct
66 Correct 3 ms 2772 KB Output is correct
67 Correct 3 ms 2752 KB Output is correct
68 Correct 7 ms 2772 KB Output is correct
69 Correct 5 ms 2772 KB Output is correct
70 Correct 6 ms 2644 KB Output is correct
71 Correct 7 ms 2644 KB Output is correct
72 Correct 3 ms 2772 KB Output is correct
73 Correct 3 ms 2772 KB Output is correct
74 Correct 3 ms 2772 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 2824 KB Output is correct
78 Correct 6 ms 2644 KB Output is correct
79 Correct 6 ms 2644 KB Output is correct
80 Correct 8 ms 2704 KB Output is correct
81 Correct 9 ms 2644 KB Output is correct
82 Correct 3 ms 2772 KB Output is correct
83 Correct 4 ms 2772 KB Output is correct
84 Correct 6 ms 2644 KB Output is correct
85 Correct 7 ms 2644 KB Output is correct
86 Correct 5 ms 2772 KB Output is correct
87 Correct 3 ms 2772 KB Output is correct
88 Correct 7 ms 2772 KB Output is correct
89 Correct 5 ms 2772 KB Output is correct
90 Correct 6 ms 2644 KB Output is correct
91 Correct 6 ms 2764 KB Output is correct
92 Correct 2 ms 2772 KB Output is correct
93 Correct 2 ms 2772 KB Output is correct
94 Correct 2 ms 2772 KB Output is correct
95 Correct 2 ms 2772 KB Output is correct
96 Correct 2 ms 2772 KB Output is correct
97 Correct 2 ms 2772 KB Output is correct
98 Correct 2 ms 2772 KB Output is correct
99 Correct 3 ms 2772 KB Output is correct
100 Correct 3 ms 2772 KB Output is correct
101 Correct 2 ms 2772 KB Output is correct
102 Correct 1 ms 2644 KB Output is correct
103 Correct 1 ms 2644 KB Output is correct
104 Correct 2 ms 2644 KB Output is correct
105 Correct 1 ms 2644 KB Output is correct
106 Correct 1 ms 2644 KB Output is correct
107 Correct 1 ms 2644 KB Output is correct
108 Correct 2 ms 2644 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 2 ms 2644 KB Output is correct
111 Correct 2 ms 2644 KB Output is correct
112 Correct 2 ms 2644 KB Output is correct
113 Correct 2 ms 2644 KB Output is correct
114 Correct 2 ms 2772 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 15060 KB Output is correct
2 Correct 47 ms 14960 KB Output is correct
3 Correct 29 ms 10752 KB Output is correct
4 Correct 8 ms 4436 KB Output is correct
5 Correct 6 ms 3572 KB Output is correct
6 Correct 12 ms 5400 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 23 ms 6692 KB Output is correct
9 Correct 29 ms 8652 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 44 ms 10312 KB Output is correct
12 Correct 53 ms 12776 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 3 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 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct
26 Correct 2 ms 2644 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 2644 KB Output is correct
30 Correct 1 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 1 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 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 46 ms 15048 KB Output is correct
40 Correct 48 ms 15044 KB Output is correct
41 Correct 35 ms 10700 KB Output is correct
42 Correct 8 ms 4508 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2616 KB Output is correct
47 Correct 2 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 1 ms 2644 KB Output is correct
51 Correct 3 ms 2644 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 2 ms 2644 KB Output is correct
56 Correct 2 ms 2644 KB Output is correct
57 Correct 86 ms 8556 KB Output is correct
58 Correct 88 ms 8584 KB Output is correct
59 Correct 72 ms 8500 KB Output is correct
60 Correct 90 ms 8524 KB Output is correct
61 Correct 76 ms 8396 KB Output is correct
62 Correct 78 ms 8496 KB Output is correct
63 Correct 56 ms 8256 KB Output is correct
64 Correct 50 ms 8256 KB Output is correct
65 Correct 51 ms 8268 KB Output is correct
66 Correct 48 ms 8244 KB Output is correct
67 Correct 75 ms 8504 KB Output is correct
68 Correct 75 ms 8448 KB Output is correct
69 Correct 56 ms 8568 KB Output is correct
70 Correct 58 ms 8492 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 2772 KB Output is correct
74 Correct 4 ms 2828 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 2760 KB Output is correct
79 Correct 3 ms 2772 KB Output is correct
80 Correct 54 ms 8424 KB Output is correct
81 Correct 71 ms 8512 KB Output is correct
82 Correct 56 ms 8368 KB Output is correct
83 Correct 50 ms 8448 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 3 ms 2772 KB Output is correct
88 Correct 2 ms 2772 KB Output is correct
89 Correct 2 ms 2772 KB Output is correct
90 Correct 3 ms 2772 KB Output is correct
91 Correct 3 ms 2772 KB Output is correct
92 Correct 3 ms 2772 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 2644 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 2 ms 2644 KB Output is correct
103 Correct 2 ms 2644 KB Output is correct
104 Correct 6 ms 3520 KB Output is correct
105 Correct 12 ms 5332 KB Output is correct
106 Correct 2 ms 2644 KB Output is correct
107 Correct 25 ms 6740 KB Output is correct
108 Correct 29 ms 8732 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 46 ms 10308 KB Output is correct
111 Correct 57 ms 12776 KB Output is correct
112 Correct 2 ms 2772 KB Output is correct
113 Correct 84 ms 16080 KB Output is correct
114 Execution timed out 1087 ms 5676 KB Time limit exceeded
115 Halted 0 ms 0 KB -