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Submission #337306

# Submission time Handle Problem Language Result Execution time Memory
337306 2020-12-19T16:34:23 Z bigDuck Dreaming (IOI13_dreaming) C++14
47 / 100
 111 ms 20460 KB 
#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
#define INIT  ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount





vector<pii> g[100010];
int dp[100010][2];
pii dir[100010][2];



bool v[100010];

int h[100010], c;
int d[100010];


int dfs(int s){
v[s]=true;

for(pii e:g[s]){
    int l=e.sc, u=e.ft;
    if(!v[u]){
        dfs(u);
        if( (dp[u][0]+l)>dp[s][0]){
            dp[s][1]=dp[s][0];
            dp[s][0]=dp[u][0]+l;

            dir[s][1]=dir[s][0];
            dir[s][0]={u, l};
        }
        else{
            if( (dp[u][0]+l)>dp[s][1] ){
                dp[s][1]=dp[u][0]+l;
                dir[s][1]={u, l};
            }
        }
    }

}


return dp[s][0];
}




int dfs2(int s, int up){
int ac=dp[s][0];

if(ac<=up){
    return ac;
}
int l=dir[s][0].sc;
int r=dfs2(dir[s][0].ft, max(up+l, dp[s][1]+l) );


if( ( max(r , max(up+l, dp[s][1]+l) )<max(up, dp[s][0])  )   ){
    return max(r, up+l);
}
else{
    return max(up, dp[s][0]);
}

}



bool v2[100010];

pii diam(int s){
    v2[s]=true;

    pii r={0, s};
    for(pii e:g[s]){
        int u=e.ft, l=e.sc;
        if(!v2[u]){
            pii p=diam(u); p.ft+=l;
            if(p.ft>=r.ft){
                r=p;
            }
        }
    }
    v2[s]=false;
    return r;
}







int travelTime(int n, int m, int l, int a[], int b[], int t[]){

    for(int i=0;i<m; i++){
        int u=a[i], v=b[i];
        g[u].pb({v, t[i]}); g[v].pb({u, t[i]});
    }
    int res=0;
    for(int i=0; i<n; i++){
        if(!v[i]){
            c++;
            dfs(i);
            int r=dfs2(i, dp[i][1]);
            pii p=diam(i);
            p=diam(p.sc);
            d[c]=p.ft;
            h[c]=r;
            res=max(res, d[c]);
        }
    }

    sort(h+1, h+1+c);
    int cr=h[c]+l;
    for(int i=c-1; i>=1; i--){
        res=max(res, cr+h[i]);
        cr+=l;
    }
    return res;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 16108 KB Output is correct
2 Correct 62 ms 15980 KB Output is correct
3 Correct 41 ms 11628 KB Output is correct
4 Correct 9 ms 4608 KB Output is correct
5 Correct 8 ms 3820 KB Output is correct
6 Correct 15 ms 5612 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 30 ms 7276 KB Output is correct
9 Correct 39 ms 9836 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 68 ms 11264 KB Output is correct
12 Correct 73 ms 13548 KB Output is correct
13 Correct 2 ms 2796 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 16108 KB Output is correct
2 Correct 62 ms 15980 KB Output is correct
3 Correct 41 ms 11628 KB Output is correct
4 Correct 9 ms 4608 KB Output is correct
5 Correct 8 ms 3820 KB Output is correct
6 Correct 15 ms 5612 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 30 ms 7276 KB Output is correct
9 Correct 39 ms 9836 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 68 ms 11264 KB Output is correct
12 Correct 73 ms 13548 KB Output is correct
13 Correct 2 ms 2796 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 2 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 2 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2668 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 16108 KB Output is correct
2 Correct 62 ms 15980 KB Output is correct
3 Correct 41 ms 11628 KB Output is correct
4 Correct 9 ms 4608 KB Output is correct
5 Correct 8 ms 3820 KB Output is correct
6 Correct 15 ms 5612 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 30 ms 7276 KB Output is correct
9 Correct 39 ms 9836 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 68 ms 11264 KB Output is correct
12 Correct 73 ms 13548 KB Output is correct
13 Correct 2 ms 2796 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 2 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 2 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2668 KB Output is correct
39 Correct 62 ms 17388 KB Output is correct
40 Correct 63 ms 17260 KB Output is correct
41 Correct 40 ms 12524 KB Output is correct
42 Correct 11 ms 4844 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 3 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2668 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2796 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2668 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 95 ms 11756 KB Output is correct
58 Correct 93 ms 11756 KB Output is correct
59 Correct 90 ms 11756 KB Output is correct
60 Correct 93 ms 11756 KB Output is correct
61 Correct 95 ms 11756 KB Output is correct
62 Correct 87 ms 11756 KB Output is correct
63 Correct 88 ms 11500 KB Output is correct
64 Correct 83 ms 11372 KB Output is correct
65 Correct 90 ms 11756 KB Output is correct
66 Correct 83 ms 11756 KB Output is correct
67 Correct 97 ms 11884 KB Output is correct
68 Correct 92 ms 11756 KB Output is correct
69 Correct 94 ms 12012 KB Output is correct
70 Correct 90 ms 12012 KB Output is correct
71 Correct 2 ms 2668 KB Output is correct
72 Correct 3 ms 2924 KB Output is correct
73 Correct 4 ms 2924 KB Output is correct
74 Correct 4 ms 2924 KB Output is correct
75 Correct 3 ms 2924 KB Output is correct
76 Correct 4 ms 2924 KB Output is correct
77 Correct 4 ms 2924 KB Output is correct
78 Correct 4 ms 2924 KB Output is correct
79 Correct 5 ms 2924 KB Output is correct
80 Correct 92 ms 11628 KB Output is correct
81 Correct 95 ms 11756 KB Output is correct
82 Correct 88 ms 11756 KB Output is correct
83 Correct 87 ms 11756 KB Output is correct
84 Correct 3 ms 2924 KB Output is correct
85 Correct 3 ms 2924 KB Output is correct
86 Correct 3 ms 2924 KB Output is correct
87 Correct 4 ms 2924 KB Output is correct
88 Correct 3 ms 2924 KB Output is correct
89 Correct 3 ms 2924 KB Output is correct
90 Correct 4 ms 2924 KB Output is correct
91 Correct 3 ms 2924 KB Output is correct
92 Correct 3 ms 2924 KB Output is correct
93 Correct 3 ms 2924 KB Output is correct
94 Correct 2 ms 2668 KB Output is correct
95 Correct 2 ms 2668 KB Output is correct
96 Correct 2 ms 2688 KB Output is correct
97 Correct 2 ms 2668 KB Output is correct
98 Correct 2 ms 2668 KB Output is correct
99 Correct 2 ms 2668 KB Output is correct
100 Correct 2 ms 2668 KB Output is correct
101 Correct 2 ms 2668 KB Output is correct
102 Correct 2 ms 2668 KB Output is correct
103 Correct 2 ms 2668 KB Output is correct
104 Correct 8 ms 3948 KB Output is correct
105 Correct 16 ms 5868 KB Output is correct
106 Correct 2 ms 2796 KB Output is correct
107 Correct 29 ms 7788 KB Output is correct
108 Correct 42 ms 10476 KB Output is correct
109 Correct 2 ms 2796 KB Output is correct
110 Correct 68 ms 12404 KB Output is correct
111 Correct 79 ms 14700 KB Output is correct
112 Correct 2 ms 2796 KB Output is correct
113 Correct 111 ms 20460 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 7916 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 16108 KB Output is correct
2 Correct 62 ms 15980 KB Output is correct
3 Correct 41 ms 11628 KB Output is correct
4 Correct 9 ms 4608 KB Output is correct
5 Correct 8 ms 3820 KB Output is correct
6 Correct 15 ms 5612 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 30 ms 7276 KB Output is correct
9 Correct 39 ms 9836 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 68 ms 11264 KB Output is correct
12 Correct 73 ms 13548 KB Output is correct
13 Correct 2 ms 2796 KB Output is correct
14 Incorrect 2 ms 2796 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 16108 KB Output is correct
2 Correct 62 ms 15980 KB Output is correct
3 Correct 41 ms 11628 KB Output is correct
4 Correct 9 ms 4608 KB Output is correct
5 Correct 8 ms 3820 KB Output is correct
6 Correct 15 ms 5612 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 30 ms 7276 KB Output is correct
9 Correct 39 ms 9836 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 68 ms 11264 KB Output is correct
12 Correct 73 ms 13548 KB Output is correct
13 Correct 2 ms 2796 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 2 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 2 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2668 KB Output is correct
39 Correct 62 ms 17388 KB Output is correct
40 Correct 63 ms 17260 KB Output is correct
41 Correct 40 ms 12524 KB Output is correct
42 Correct 11 ms 4844 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 3 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2668 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2796 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2668 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 95 ms 11756 KB Output is correct
58 Correct 93 ms 11756 KB Output is correct
59 Correct 90 ms 11756 KB Output is correct
60 Correct 93 ms 11756 KB Output is correct
61 Correct 95 ms 11756 KB Output is correct
62 Correct 87 ms 11756 KB Output is correct
63 Correct 88 ms 11500 KB Output is correct
64 Correct 83 ms 11372 KB Output is correct
65 Correct 90 ms 11756 KB Output is correct
66 Correct 83 ms 11756 KB Output is correct
67 Correct 97 ms 11884 KB Output is correct
68 Correct 92 ms 11756 KB Output is correct
69 Correct 94 ms 12012 KB Output is correct
70 Correct 90 ms 12012 KB Output is correct
71 Correct 2 ms 2668 KB Output is correct
72 Correct 3 ms 2924 KB Output is correct
73 Correct 4 ms 2924 KB Output is correct
74 Correct 4 ms 2924 KB Output is correct
75 Correct 3 ms 2924 KB Output is correct
76 Correct 4 ms 2924 KB Output is correct
77 Correct 4 ms 2924 KB Output is correct
78 Correct 4 ms 2924 KB Output is correct
79 Correct 5 ms 2924 KB Output is correct
80 Correct 92 ms 11628 KB Output is correct
81 Correct 95 ms 11756 KB Output is correct
82 Correct 88 ms 11756 KB Output is correct
83 Correct 87 ms 11756 KB Output is correct
84 Correct 3 ms 2924 KB Output is correct
85 Correct 3 ms 2924 KB Output is correct
86 Correct 3 ms 2924 KB Output is correct
87 Correct 4 ms 2924 KB Output is correct
88 Correct 3 ms 2924 KB Output is correct
89 Correct 3 ms 2924 KB Output is correct
90 Correct 4 ms 2924 KB Output is correct
91 Correct 3 ms 2924 KB Output is correct
92 Correct 3 ms 2924 KB Output is correct
93 Correct 3 ms 2924 KB Output is correct
94 Correct 2 ms 2668 KB Output is correct
95 Correct 2 ms 2668 KB Output is correct
96 Correct 2 ms 2688 KB Output is correct
97 Correct 2 ms 2668 KB Output is correct
98 Correct 2 ms 2668 KB Output is correct
99 Correct 2 ms 2668 KB Output is correct
100 Correct 2 ms 2668 KB Output is correct
101 Correct 2 ms 2668 KB Output is correct
102 Correct 2 ms 2668 KB Output is correct
103 Correct 2 ms 2668 KB Output is correct
104 Correct 8 ms 3948 KB Output is correct
105 Correct 16 ms 5868 KB Output is correct
106 Correct 2 ms 2796 KB Output is correct
107 Correct 29 ms 7788 KB Output is correct
108 Correct 42 ms 10476 KB Output is correct
109 Correct 2 ms 2796 KB Output is correct
110 Correct 68 ms 12404 KB Output is correct
111 Correct 79 ms 14700 KB Output is correct
112 Correct 2 ms 2796 KB Output is correct
113 Correct 111 ms 20460 KB Output is correct
114 Incorrect 26 ms 7916 KB Output isn't correct
115 Halted 0 ms 0 KB -