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Submission #434889

# Submission time Handle Problem Language Result Execution time Memory
434889 2021-06-22T05:09:19 Z kevinxiehk Dreaming (IOI13_dreaming) C++17
47 / 100
 1000 ms 15104 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
#define pb emplace_back
#define fi first
#define se second
#define mp make_pair
using namespace std;

vector<pair<int, int>> conn[100005];
bool vi[100005];
bool vi2[100005];
int par2[100005];
int dk2[100005];
vector<int> dia, hf;
int md, mdx;
void dfs(int now, int di) {
    if(vi[now]) return;
    vi[now] = true;
    if(di > md) {
        md = di;
        mdx = now;
    }
    for(auto x: conn[now]) dfs(x.fi, di + x.se);
}
void dfs2(int now, int di) {
    if(vi2[now]) return;
    vi2[now] = true;
    if(di > md) {
        md = di;
        mdx = now;
    }
    for(auto x: conn[now]) {
        if(!vi2[x.fi]){
            par2[x.fi] = now;
            dk2[x.fi] = x.se;
            dfs2(x.fi, di + x.se);
        }
    }
}
void once(int a) {
    md = 0, mdx = a;
    dfs(a, 0);
    cerr << a << ' ' << md << '\n';
    md = 0;
    par2[mdx] = -1;
    dfs2(mdx, 0);
    dia.pb(md);
    cerr << a << ' ' << md << '\n';
    int an = md;
    int tt = md;

    while(mdx != -1) {
        an = min(an, max(md, tt - md));
        md -= dk2[mdx];
        mdx = par2[mdx];
    }
    cerr << a << ' ' << an << '\n';

    hf.pb(an);
}
int travelTime(int n, int m, int l, int a[], int b[], int t[]) {
    
    for(int i = 0; i < m; i++) {
        conn[a[i]].pb(mp(b[i], t[i]));
        conn[b[i]].pb(mp(a[i], t[i]));
    }
    for(int i = 0; i < n; i++) {
        if(vi[i]) continue;
        else once(i);
    }

    sort(dia.begin(), dia.end()); reverse(dia.begin(), dia.end());
    sort(hf.begin(), hf.end()); reverse(hf.begin(), hf.end());
    if(dia.size() == 1) return dia[0];
    else return max(dia[0], hf[0] + hf[1] + l);
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 13148 KB Output is correct
2 Correct 55 ms 14088 KB Output is correct
3 Correct 35 ms 10460 KB Output is correct
4 Correct 9 ms 4332 KB Output is correct
5 Correct 8 ms 3532 KB Output is correct
6 Correct 14 ms 5224 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 25 ms 6800 KB Output is correct
9 Correct 36 ms 8468 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 51 ms 10208 KB Output is correct
12 Correct 56 ms 12100 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 2636 KB Output is correct
4 Correct 2 ms 2636 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 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 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 2644 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 54 ms 13148 KB Output is correct
2 Correct 55 ms 14088 KB Output is correct
3 Correct 35 ms 10460 KB Output is correct
4 Correct 9 ms 4332 KB Output is correct
5 Correct 8 ms 3532 KB Output is correct
6 Correct 14 ms 5224 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 25 ms 6800 KB Output is correct
9 Correct 36 ms 8468 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 51 ms 10208 KB Output is correct
12 Correct 56 ms 12100 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 2636 KB Output is correct
17 Correct 2 ms 2636 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 2 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2644 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 55 ms 14000 KB Output is correct
40 Correct 54 ms 14020 KB Output is correct
41 Correct 34 ms 10420 KB Output is correct
42 Correct 9 ms 4316 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 2656 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 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 2636 KB Output is correct
53 Correct 2 ms 2636 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2680 KB Output is correct
56 Correct 2 ms 2636 KB Output is correct
57 Correct 70 ms 9664 KB Output is correct
58 Correct 71 ms 9668 KB Output is correct
59 Correct 68 ms 9636 KB Output is correct
60 Correct 74 ms 9556 KB Output is correct
61 Correct 65 ms 9544 KB Output is correct
62 Correct 66 ms 9436 KB Output is correct
63 Correct 61 ms 9316 KB Output is correct
64 Correct 64 ms 9284 KB Output is correct
65 Correct 70 ms 9408 KB Output is correct
66 Correct 69 ms 9400 KB Output is correct
67 Correct 71 ms 9508 KB Output is correct
68 Correct 69 ms 9656 KB Output is correct
69 Correct 72 ms 9668 KB Output is correct
70 Correct 71 ms 9568 KB Output is correct
71 Correct 2 ms 2644 KB Output is correct
72 Correct 3 ms 2892 KB Output is correct
73 Correct 4 ms 2892 KB Output is correct
74 Correct 4 ms 2764 KB Output is correct
75 Correct 4 ms 2892 KB Output is correct
76 Correct 3 ms 2892 KB Output is correct
77 Correct 3 ms 2892 KB Output is correct
78 Correct 3 ms 2892 KB Output is correct
79 Correct 3 ms 2892 KB Output is correct
80 Correct 75 ms 9496 KB Output is correct
81 Correct 69 ms 9512 KB Output is correct
82 Correct 65 ms 9472 KB Output is correct
83 Correct 67 ms 9452 KB Output is correct
84 Correct 3 ms 2764 KB Output is correct
85 Correct 3 ms 2800 KB Output is correct
86 Correct 3 ms 2764 KB Output is correct
87 Correct 3 ms 2828 KB Output is correct
88 Correct 3 ms 2764 KB Output is correct
89 Correct 3 ms 2764 KB Output is correct
90 Correct 3 ms 2764 KB Output is correct
91 Correct 3 ms 2764 KB Output is correct
92 Correct 4 ms 2764 KB Output is correct
93 Correct 4 ms 2764 KB Output is correct
94 Correct 2 ms 2636 KB Output is correct
95 Correct 2 ms 2636 KB Output is correct
96 Correct 2 ms 2656 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 2636 KB Output is correct
104 Correct 7 ms 3564 KB Output is correct
105 Correct 14 ms 5272 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 25 ms 6804 KB Output is correct
108 Correct 34 ms 8408 KB Output is correct
109 Correct 2 ms 2636 KB Output is correct
110 Correct 56 ms 10180 KB Output is correct
111 Correct 56 ms 12100 KB Output is correct
112 Correct 3 ms 2764 KB Output is correct
113 Correct 103 ms 15104 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1087 ms 7944 KB Time limit exceeded
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 2636 KB Output is correct
4 Correct 2 ms 2636 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 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 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 2644 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 5 ms 2636 KB Output is correct
27 Correct 9 ms 2764 KB Output is correct
28 Correct 12 ms 2880 KB Output is correct
29 Correct 5 ms 2636 KB Output is correct
30 Correct 10 ms 2764 KB Output is correct
31 Correct 11 ms 2892 KB Output is correct
32 Incorrect 5 ms 2636 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 13148 KB Output is correct
2 Correct 55 ms 14088 KB Output is correct
3 Correct 35 ms 10460 KB Output is correct
4 Correct 9 ms 4332 KB Output is correct
5 Correct 8 ms 3532 KB Output is correct
6 Correct 14 ms 5224 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 25 ms 6800 KB Output is correct
9 Correct 36 ms 8468 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 51 ms 10208 KB Output is correct
12 Correct 56 ms 12100 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 2636 KB Output is correct
17 Correct 2 ms 2636 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 2 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2644 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 55 ms 14000 KB Output is correct
40 Correct 54 ms 14020 KB Output is correct
41 Correct 34 ms 10420 KB Output is correct
42 Correct 9 ms 4316 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 2656 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 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 2636 KB Output is correct
53 Correct 2 ms 2636 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2680 KB Output is correct
56 Correct 2 ms 2636 KB Output is correct
57 Correct 70 ms 9664 KB Output is correct
58 Correct 71 ms 9668 KB Output is correct
59 Correct 68 ms 9636 KB Output is correct
60 Correct 74 ms 9556 KB Output is correct
61 Correct 65 ms 9544 KB Output is correct
62 Correct 66 ms 9436 KB Output is correct
63 Correct 61 ms 9316 KB Output is correct
64 Correct 64 ms 9284 KB Output is correct
65 Correct 70 ms 9408 KB Output is correct
66 Correct 69 ms 9400 KB Output is correct
67 Correct 71 ms 9508 KB Output is correct
68 Correct 69 ms 9656 KB Output is correct
69 Correct 72 ms 9668 KB Output is correct
70 Correct 71 ms 9568 KB Output is correct
71 Correct 2 ms 2644 KB Output is correct
72 Correct 3 ms 2892 KB Output is correct
73 Correct 4 ms 2892 KB Output is correct
74 Correct 4 ms 2764 KB Output is correct
75 Correct 4 ms 2892 KB Output is correct
76 Correct 3 ms 2892 KB Output is correct
77 Correct 3 ms 2892 KB Output is correct
78 Correct 3 ms 2892 KB Output is correct
79 Correct 3 ms 2892 KB Output is correct
80 Correct 75 ms 9496 KB Output is correct
81 Correct 69 ms 9512 KB Output is correct
82 Correct 65 ms 9472 KB Output is correct
83 Correct 67 ms 9452 KB Output is correct
84 Correct 3 ms 2764 KB Output is correct
85 Correct 3 ms 2800 KB Output is correct
86 Correct 3 ms 2764 KB Output is correct
87 Correct 3 ms 2828 KB Output is correct
88 Correct 3 ms 2764 KB Output is correct
89 Correct 3 ms 2764 KB Output is correct
90 Correct 3 ms 2764 KB Output is correct
91 Correct 3 ms 2764 KB Output is correct
92 Correct 4 ms 2764 KB Output is correct
93 Correct 4 ms 2764 KB Output is correct
94 Correct 2 ms 2636 KB Output is correct
95 Correct 2 ms 2636 KB Output is correct
96 Correct 2 ms 2656 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 2636 KB Output is correct
104 Correct 7 ms 3564 KB Output is correct
105 Correct 14 ms 5272 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 25 ms 6804 KB Output is correct
108 Correct 34 ms 8408 KB Output is correct
109 Correct 2 ms 2636 KB Output is correct
110 Correct 56 ms 10180 KB Output is correct
111 Correct 56 ms 12100 KB Output is correct
112 Correct 3 ms 2764 KB Output is correct
113 Correct 103 ms 15104 KB Output is correct
114 Execution timed out 1087 ms 7944 KB Time limit exceeded
115 Halted 0 ms 0 KB -