oj.uz

Submission #206929

# Submission time Handle Problem Language Result Execution time Memory
206929 2020-03-06T00:10:31 Z oko Dreaming (IOI13_dreaming) C++14
47 / 100
 206 ms 36472 KB 
#include<bits/stdc++.h>

#include "dreaming.h"
using namespace std;
const long long mod=1e9+7;

long long n,m,l,st1,st2,vis[100005],mn=1e10,dis[100005],mx;
vector<pair<int,int> >gr[100005];
void dfs(int x)
{
    vis[x]=1;
    for(int i=0;i<gr[x].size();i++)
    {
        int u=gr[x][i].first;
        if(vis[u])continue;
        dfs(u);
    }
}
void cal(int x)
{
    vis[x]=1;
    for(int i=0;i<gr[x].size();i++)
    {
        int u=gr[x][i].first,w=gr[x][i].second;
        if(vis[u])continue;
        cal(u);
        dis[x]=max(dis[x],dis[u]+w);
    }
}
void root(int x)
{
    vis[x]=1;
    mn=min(mn,dis[x]);
    mx=max(mx,dis[x]);
    multiset<int>ms;
    ms.insert(0);
    for(int i=0;i<gr[x].size();i++)
    {
        int u=gr[x][i].first,w=gr[x][i].second;
        ms.insert(dis[u]+w);
    }
    for(int i=0;i<gr[x].size();i++)
    {
        int u=gr[x][i].first,w=gr[x][i].second;
        if(vis[u])continue;
        ms.erase(ms.lower_bound(dis[u]+w));
        long long oldx=dis[x],oldu=dis[u];
        dis[x]=*--ms.end();
        dis[u]=max(dis[u],dis[x]+w);
        root(u);
        dis[x]=oldx;
        dis[u]=oldu;
        ms.insert(dis[u]+w);
    }
}
int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
    n=N,m=M,l=L;
    for(int i=0;i<m;i++)
    {
        gr[A[i]+1].push_back({B[i]+1,T[i]});
        gr[B[i]+1].push_back({A[i]+1,T[i]});
    }
    for(int i=1;i<=n;i++)
    {
        if(vis[i]==0&&st1==0)
        {
            dfs(i);
            st1=i;
        }
        if(vis[i]==0&&st1)
        {
            dfs(i);
            st2=i;
        }
    }
    memset(vis,0,sizeof vis);
    cal(st1);
    memset(vis,0,sizeof vis);
    root(st1);
    long long ans=mn;

    mn=1e10;
    memset(vis,0,sizeof vis);
    cal(st2);
    memset(vis,0,sizeof vis);
    root(st2);

    return max(mx,ans+mn+l);
}

Compilation message

dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:12:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<gr[x].size();i++)
                 ~^~~~~~~~~~~~~
dreaming.cpp: In function 'void cal(int)':
dreaming.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<gr[x].size();i++)
                 ~^~~~~~~~~~~~~
dreaming.cpp: In function 'void root(int)':
dreaming.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<gr[x].size();i++)
                 ~^~~~~~~~~~~~~
dreaming.cpp:42:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<gr[x].size();i++)
                 ~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 21496 KB Output is correct
2 Correct 99 ms 21752 KB Output is correct
3 Correct 67 ms 21112 KB Output is correct
4 Correct 18 ms 6392 KB Output is correct
5 Correct 15 ms 4856 KB Output is correct
6 Correct 26 ms 7704 KB Output is correct
7 Correct 7 ms 3492 KB Output is correct
8 Correct 50 ms 11384 KB Output is correct
9 Correct 67 ms 17016 KB Output is correct
10 Correct 7 ms 3580 KB Output is correct
11 Correct 103 ms 17016 KB Output is correct
12 Correct 120 ms 19832 KB Output is correct
13 Correct 8 ms 3608 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 21496 KB Output is correct
2 Correct 99 ms 21752 KB Output is correct
3 Correct 67 ms 21112 KB Output is correct
4 Correct 18 ms 6392 KB Output is correct
5 Correct 15 ms 4856 KB Output is correct
6 Correct 26 ms 7704 KB Output is correct
7 Correct 7 ms 3492 KB Output is correct
8 Correct 50 ms 11384 KB Output is correct
9 Correct 67 ms 17016 KB Output is correct
10 Correct 7 ms 3580 KB Output is correct
11 Correct 103 ms 17016 KB Output is correct
12 Correct 120 ms 19832 KB Output is correct
13 Correct 8 ms 3608 KB Output is correct
14 Correct 6 ms 3448 KB Output is correct
15 Correct 7 ms 3448 KB Output is correct
16 Correct 7 ms 3448 KB Output is correct
17 Correct 6 ms 3448 KB Output is correct
18 Correct 7 ms 3448 KB Output is correct
19 Correct 8 ms 3448 KB Output is correct
20 Correct 7 ms 3448 KB Output is correct
21 Correct 7 ms 3448 KB Output is correct
22 Correct 7 ms 3448 KB Output is correct
23 Correct 7 ms 3448 KB Output is correct
24 Correct 6 ms 3452 KB Output is correct
25 Correct 7 ms 3448 KB Output is correct
26 Correct 7 ms 3448 KB Output is correct
27 Correct 7 ms 3448 KB Output is correct
28 Correct 7 ms 3452 KB Output is correct
29 Correct 7 ms 3448 KB Output is correct
30 Correct 7 ms 3448 KB Output is correct
31 Correct 7 ms 3448 KB Output is correct
32 Correct 7 ms 3448 KB Output is correct
33 Correct 6 ms 3448 KB Output is correct
34 Correct 7 ms 3452 KB Output is correct
35 Correct 7 ms 3424 KB Output is correct
36 Correct 7 ms 3448 KB Output is correct
37 Correct 7 ms 3448 KB Output is correct
38 Correct 7 ms 3448 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 21496 KB Output is correct
2 Correct 99 ms 21752 KB Output is correct
3 Correct 67 ms 21112 KB Output is correct
4 Correct 18 ms 6392 KB Output is correct
5 Correct 15 ms 4856 KB Output is correct
6 Correct 26 ms 7704 KB Output is correct
7 Correct 7 ms 3492 KB Output is correct
8 Correct 50 ms 11384 KB Output is correct
9 Correct 67 ms 17016 KB Output is correct
10 Correct 7 ms 3580 KB Output is correct
11 Correct 103 ms 17016 KB Output is correct
12 Correct 120 ms 19832 KB Output is correct
13 Correct 8 ms 3608 KB Output is correct
14 Correct 6 ms 3448 KB Output is correct
15 Correct 7 ms 3448 KB Output is correct
16 Correct 7 ms 3448 KB Output is correct
17 Correct 6 ms 3448 KB Output is correct
18 Correct 7 ms 3448 KB Output is correct
19 Correct 8 ms 3448 KB Output is correct
20 Correct 7 ms 3448 KB Output is correct
21 Correct 7 ms 3448 KB Output is correct
22 Correct 7 ms 3448 KB Output is correct
23 Correct 7 ms 3448 KB Output is correct
24 Correct 6 ms 3452 KB Output is correct
25 Correct 7 ms 3448 KB Output is correct
26 Correct 7 ms 3448 KB Output is correct
27 Correct 7 ms 3448 KB Output is correct
28 Correct 7 ms 3452 KB Output is correct
29 Correct 7 ms 3448 KB Output is correct
30 Correct 7 ms 3448 KB Output is correct
31 Correct 7 ms 3448 KB Output is correct
32 Correct 7 ms 3448 KB Output is correct
33 Correct 6 ms 3448 KB Output is correct
34 Correct 7 ms 3452 KB Output is correct
35 Correct 7 ms 3424 KB Output is correct
36 Correct 7 ms 3448 KB Output is correct
37 Correct 7 ms 3448 KB Output is correct
38 Correct 7 ms 3448 KB Output is correct
39 Correct 104 ms 22776 KB Output is correct
40 Correct 98 ms 21752 KB Output is correct
41 Correct 68 ms 21112 KB Output is correct
42 Correct 12 ms 6264 KB Output is correct
43 Correct 7 ms 3448 KB Output is correct
44 Correct 7 ms 3448 KB Output is correct
45 Correct 8 ms 3448 KB Output is correct
46 Correct 7 ms 3448 KB Output is correct
47 Correct 7 ms 3448 KB Output is correct
48 Correct 7 ms 3448 KB Output is correct
49 Correct 6 ms 3448 KB Output is correct
50 Correct 7 ms 3448 KB Output is correct
51 Correct 7 ms 3448 KB Output is correct
52 Correct 7 ms 3448 KB Output is correct
53 Correct 6 ms 3448 KB Output is correct
54 Correct 7 ms 3448 KB Output is correct
55 Correct 7 ms 3448 KB Output is correct
56 Correct 7 ms 3448 KB Output is correct
57 Correct 124 ms 10744 KB Output is correct
58 Correct 129 ms 10916 KB Output is correct
59 Correct 132 ms 11000 KB Output is correct
60 Correct 131 ms 10872 KB Output is correct
61 Correct 129 ms 11000 KB Output is correct
62 Correct 132 ms 10968 KB Output is correct
63 Correct 132 ms 10488 KB Output is correct
64 Correct 124 ms 10616 KB Output is correct
65 Correct 130 ms 10744 KB Output is correct
66 Correct 132 ms 10872 KB Output is correct
67 Correct 125 ms 11132 KB Output is correct
68 Correct 128 ms 11004 KB Output is correct
69 Correct 165 ms 11332 KB Output is correct
70 Correct 131 ms 11256 KB Output is correct
71 Correct 6 ms 3448 KB Output is correct
72 Correct 9 ms 3704 KB Output is correct
73 Correct 9 ms 3704 KB Output is correct
74 Correct 10 ms 3704 KB Output is correct
75 Correct 9 ms 3704 KB Output is correct
76 Correct 10 ms 3704 KB Output is correct
77 Correct 9 ms 3704 KB Output is correct
78 Correct 9 ms 3704 KB Output is correct
79 Correct 9 ms 3704 KB Output is correct
80 Correct 138 ms 10872 KB Output is correct
81 Correct 138 ms 10872 KB Output is correct
82 Correct 128 ms 10872 KB Output is correct
83 Correct 137 ms 10872 KB Output is correct
84 Correct 9 ms 3708 KB Output is correct
85 Correct 8 ms 3576 KB Output is correct
86 Correct 9 ms 3704 KB Output is correct
87 Correct 9 ms 3704 KB Output is correct
88 Correct 9 ms 3704 KB Output is correct
89 Correct 9 ms 3704 KB Output is correct
90 Correct 8 ms 3704 KB Output is correct
91 Correct 9 ms 3704 KB Output is correct
92 Correct 10 ms 3704 KB Output is correct
93 Correct 9 ms 3704 KB Output is correct
94 Correct 7 ms 3448 KB Output is correct
95 Correct 7 ms 3448 KB Output is correct
96 Correct 7 ms 3448 KB Output is correct
97 Correct 7 ms 3448 KB Output is correct
98 Correct 6 ms 3448 KB Output is correct
99 Correct 7 ms 3448 KB Output is correct
100 Correct 7 ms 3448 KB Output is correct
101 Correct 6 ms 3448 KB Output is correct
102 Correct 7 ms 3448 KB Output is correct
103 Correct 7 ms 3444 KB Output is correct
104 Correct 15 ms 4856 KB Output is correct
105 Correct 27 ms 7672 KB Output is correct
106 Correct 7 ms 3448 KB Output is correct
107 Correct 50 ms 11256 KB Output is correct
108 Correct 77 ms 17016 KB Output is correct
109 Correct 7 ms 3704 KB Output is correct
110 Correct 105 ms 16924 KB Output is correct
111 Correct 131 ms 19832 KB Output is correct
112 Correct 7 ms 3704 KB Output is correct
113 Correct 206 ms 36472 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 5752 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 21496 KB Output is correct
2 Correct 99 ms 21752 KB Output is correct
3 Correct 67 ms 21112 KB Output is correct
4 Correct 18 ms 6392 KB Output is correct
5 Correct 15 ms 4856 KB Output is correct
6 Correct 26 ms 7704 KB Output is correct
7 Correct 7 ms 3492 KB Output is correct
8 Correct 50 ms 11384 KB Output is correct
9 Correct 67 ms 17016 KB Output is correct
10 Correct 7 ms 3580 KB Output is correct
11 Correct 103 ms 17016 KB Output is correct
12 Correct 120 ms 19832 KB Output is correct
13 Correct 8 ms 3608 KB Output is correct
14 Incorrect 9 ms 3576 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 21496 KB Output is correct
2 Correct 99 ms 21752 KB Output is correct
3 Correct 67 ms 21112 KB Output is correct
4 Correct 18 ms 6392 KB Output is correct
5 Correct 15 ms 4856 KB Output is correct
6 Correct 26 ms 7704 KB Output is correct
7 Correct 7 ms 3492 KB Output is correct
8 Correct 50 ms 11384 KB Output is correct
9 Correct 67 ms 17016 KB Output is correct
10 Correct 7 ms 3580 KB Output is correct
11 Correct 103 ms 17016 KB Output is correct
12 Correct 120 ms 19832 KB Output is correct
13 Correct 8 ms 3608 KB Output is correct
14 Correct 6 ms 3448 KB Output is correct
15 Correct 7 ms 3448 KB Output is correct
16 Correct 7 ms 3448 KB Output is correct
17 Correct 6 ms 3448 KB Output is correct
18 Correct 7 ms 3448 KB Output is correct
19 Correct 8 ms 3448 KB Output is correct
20 Correct 7 ms 3448 KB Output is correct
21 Correct 7 ms 3448 KB Output is correct
22 Correct 7 ms 3448 KB Output is correct
23 Correct 7 ms 3448 KB Output is correct
24 Correct 6 ms 3452 KB Output is correct
25 Correct 7 ms 3448 KB Output is correct
26 Correct 7 ms 3448 KB Output is correct
27 Correct 7 ms 3448 KB Output is correct
28 Correct 7 ms 3452 KB Output is correct
29 Correct 7 ms 3448 KB Output is correct
30 Correct 7 ms 3448 KB Output is correct
31 Correct 7 ms 3448 KB Output is correct
32 Correct 7 ms 3448 KB Output is correct
33 Correct 6 ms 3448 KB Output is correct
34 Correct 7 ms 3452 KB Output is correct
35 Correct 7 ms 3424 KB Output is correct
36 Correct 7 ms 3448 KB Output is correct
37 Correct 7 ms 3448 KB Output is correct
38 Correct 7 ms 3448 KB Output is correct
39 Correct 104 ms 22776 KB Output is correct
40 Correct 98 ms 21752 KB Output is correct
41 Correct 68 ms 21112 KB Output is correct
42 Correct 12 ms 6264 KB Output is correct
43 Correct 7 ms 3448 KB Output is correct
44 Correct 7 ms 3448 KB Output is correct
45 Correct 8 ms 3448 KB Output is correct
46 Correct 7 ms 3448 KB Output is correct
47 Correct 7 ms 3448 KB Output is correct
48 Correct 7 ms 3448 KB Output is correct
49 Correct 6 ms 3448 KB Output is correct
50 Correct 7 ms 3448 KB Output is correct
51 Correct 7 ms 3448 KB Output is correct
52 Correct 7 ms 3448 KB Output is correct
53 Correct 6 ms 3448 KB Output is correct
54 Correct 7 ms 3448 KB Output is correct
55 Correct 7 ms 3448 KB Output is correct
56 Correct 7 ms 3448 KB Output is correct
57 Correct 124 ms 10744 KB Output is correct
58 Correct 129 ms 10916 KB Output is correct
59 Correct 132 ms 11000 KB Output is correct
60 Correct 131 ms 10872 KB Output is correct
61 Correct 129 ms 11000 KB Output is correct
62 Correct 132 ms 10968 KB Output is correct
63 Correct 132 ms 10488 KB Output is correct
64 Correct 124 ms 10616 KB Output is correct
65 Correct 130 ms 10744 KB Output is correct
66 Correct 132 ms 10872 KB Output is correct
67 Correct 125 ms 11132 KB Output is correct
68 Correct 128 ms 11004 KB Output is correct
69 Correct 165 ms 11332 KB Output is correct
70 Correct 131 ms 11256 KB Output is correct
71 Correct 6 ms 3448 KB Output is correct
72 Correct 9 ms 3704 KB Output is correct
73 Correct 9 ms 3704 KB Output is correct
74 Correct 10 ms 3704 KB Output is correct
75 Correct 9 ms 3704 KB Output is correct
76 Correct 10 ms 3704 KB Output is correct
77 Correct 9 ms 3704 KB Output is correct
78 Correct 9 ms 3704 KB Output is correct
79 Correct 9 ms 3704 KB Output is correct
80 Correct 138 ms 10872 KB Output is correct
81 Correct 138 ms 10872 KB Output is correct
82 Correct 128 ms 10872 KB Output is correct
83 Correct 137 ms 10872 KB Output is correct
84 Correct 9 ms 3708 KB Output is correct
85 Correct 8 ms 3576 KB Output is correct
86 Correct 9 ms 3704 KB Output is correct
87 Correct 9 ms 3704 KB Output is correct
88 Correct 9 ms 3704 KB Output is correct
89 Correct 9 ms 3704 KB Output is correct
90 Correct 8 ms 3704 KB Output is correct
91 Correct 9 ms 3704 KB Output is correct
92 Correct 10 ms 3704 KB Output is correct
93 Correct 9 ms 3704 KB Output is correct
94 Correct 7 ms 3448 KB Output is correct
95 Correct 7 ms 3448 KB Output is correct
96 Correct 7 ms 3448 KB Output is correct
97 Correct 7 ms 3448 KB Output is correct
98 Correct 6 ms 3448 KB Output is correct
99 Correct 7 ms 3448 KB Output is correct
100 Correct 7 ms 3448 KB Output is correct
101 Correct 6 ms 3448 KB Output is correct
102 Correct 7 ms 3448 KB Output is correct
103 Correct 7 ms 3444 KB Output is correct
104 Correct 15 ms 4856 KB Output is correct
105 Correct 27 ms 7672 KB Output is correct
106 Correct 7 ms 3448 KB Output is correct
107 Correct 50 ms 11256 KB Output is correct
108 Correct 77 ms 17016 KB Output is correct
109 Correct 7 ms 3704 KB Output is correct
110 Correct 105 ms 16924 KB Output is correct
111 Correct 131 ms 19832 KB Output is correct
112 Correct 7 ms 3704 KB Output is correct
113 Correct 206 ms 36472 KB Output is correct
114 Incorrect 25 ms 5752 KB Output isn't correct
115 Halted 0 ms 0 KB -