oj.uz

Submission #58308

# Submission time Handle Problem Language Result Execution time Memory
58308 2018-07-17T13:03:36 Z Autoratch Dreaming (IOI13_dreaming) C++14
65 / 100
 147 ms 8700 KB 
#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;

vector<vector<pair<int,int> > > adj;
vector<bool> visited,visit;
vector<int> cmp,s,e;
queue<pair<int,pair<int,int> > > q;

pair<int,int> solve(int x,int n)
{
    int sz = 0;
    visit.assign(n,false);
    q.push({0,{x,x}});
    int mx = 0,st = x,en = x;
    while(!q.empty())
    {
        int w = q.front().first,p = q.front().second.first,pr = q.front().second.second;
        q.pop();
        visited[p] = true;
        if(w>mx){ mx = w; st = p; }
        for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
    }
    q.push({0,{st,st}});
    mx = 0;
    int rad = INT_MAX,dia;
    while(!q.empty())
    {
        int w = q.front().first,p = q.front().second.first,pr = q.front().second.second;
        q.pop();
        s[p] = w;
        if(w>mx){ mx = w; en = p; }
        for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
    }
    q.push({0,{en,en}});
    while(!q.empty())
    {
        int w = q.front().first,p = q.front().second.first,pr = q.front().second.second;
        q.pop();
        e[p] = w;
        for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
    }
    dia = mx;
    q.push({0,{st,st}});
    while(!q.empty())
    {
        int w = q.front().first,p = q.front().second.first,pr = q.front().second.second;
        q.pop();
        rad = min(rad,max(s[p],e[p]));
        for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
    }
    return {rad,dia};
}


int travelTime(int n,int m,int l,int a[],int b[],int t[])
{
    s.resize(n);
    e.resize(n);
    adj.resize(n);
    visited.resize(n);
    for(int i = 0;i < m;i++)
    {
        adj[a[i]].push_back({t[i],b[i]});
        adj[b[i]].push_back({t[i],a[i]});
    }
    int ans = 0;
    for(int i = 0;i < n;i++)
    {
        if(visited[i]) continue;
        pair<int,int> tmp = solve(i,n);
        cmp.push_back(tmp.first);
        ans = max(ans,tmp.second);
    }
    sort(cmp.begin(),cmp.end());
    reverse(cmp.begin(),cmp.end());
    if(cmp.size()==1) ans = max(ans,cmp[0]);
    else if(cmp.size()==2) ans = max(ans,cmp[0]+cmp[1]+l);
    else ans = max(cmp[0]+cmp[1]+l,cmp[1]+cmp[2]+l+l);
    return ans;
}
//
//int main()
//{
//    int n,m,l;
//    cin >> n >> m >> l;
//    int a[m],b[m],t[m];
//    for(int i = 0;i < m;i++) cin >> a[i] >> b[i] >> t[i];
//    cout << travelTime(n,m,l,a,b,t);
//}

Compilation message

dreaming.cpp: In function 'std::pair<int, int> solve(int, int)':
dreaming.cpp:22:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
                       ~~^~~~~~~~~~~~~~~
dreaming.cpp:33:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
                       ~~^~~~~~~~~~~~~~~
dreaming.cpp:41:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
                       ~~^~~~~~~~~~~~~~~
dreaming.cpp:50:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0;i < adj[p].size();i++) if(adj[p][i].second!=pr) q.push({adj[p][i].first+w,{adj[p][i].second,p}});
                       ~~^~~~~~~~~~~~~~~
dreaming.cpp:12:9: warning: unused variable 'sz' [-Wunused-variable]
     int sz = 0;
         ^~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 7160 KB Output is correct
2 Correct 62 ms 7160 KB Output is correct
3 Correct 41 ms 4728 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 8 ms 1152 KB Output is correct
6 Correct 15 ms 1920 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3328 KB Output is correct
9 Correct 38 ms 4096 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 53 ms 5624 KB Output is correct
12 Correct 71 ms 6392 KB Output is correct
13 Correct 3 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 7160 KB Output is correct
2 Correct 62 ms 7160 KB Output is correct
3 Correct 41 ms 4728 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 8 ms 1152 KB Output is correct
6 Correct 15 ms 1920 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3328 KB Output is correct
9 Correct 38 ms 4096 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 53 ms 5624 KB Output is correct
12 Correct 71 ms 6392 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 4 ms 256 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 2 ms 384 KB Output is correct
37 Correct 2 ms 384 KB Output is correct
38 Correct 2 ms 384 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 7160 KB Output is correct
2 Correct 62 ms 7160 KB Output is correct
3 Correct 41 ms 4728 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 8 ms 1152 KB Output is correct
6 Correct 15 ms 1920 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3328 KB Output is correct
9 Correct 38 ms 4096 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 53 ms 5624 KB Output is correct
12 Correct 71 ms 6392 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 4 ms 256 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 2 ms 384 KB Output is correct
37 Correct 2 ms 384 KB Output is correct
38 Correct 2 ms 384 KB Output is correct
39 Correct 60 ms 7180 KB Output is correct
40 Correct 68 ms 7216 KB Output is correct
41 Correct 38 ms 4856 KB Output is correct
42 Correct 10 ms 1408 KB Output is correct
43 Correct 3 ms 384 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 384 KB Output is correct
46 Correct 2 ms 384 KB Output is correct
47 Correct 2 ms 384 KB Output is correct
48 Correct 2 ms 384 KB Output is correct
49 Correct 2 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 2 ms 384 KB Output is correct
53 Correct 2 ms 384 KB Output is correct
54 Correct 2 ms 384 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 2 ms 384 KB Output is correct
57 Correct 74 ms 8664 KB Output is correct
58 Correct 77 ms 8700 KB Output is correct
59 Correct 71 ms 8440 KB Output is correct
60 Correct 73 ms 8568 KB Output is correct
61 Correct 71 ms 8568 KB Output is correct
62 Correct 80 ms 8568 KB Output is correct
63 Correct 68 ms 8440 KB Output is correct
64 Correct 66 ms 8440 KB Output is correct
65 Correct 69 ms 8444 KB Output is correct
66 Correct 75 ms 8568 KB Output is correct
67 Correct 78 ms 8440 KB Output is correct
68 Correct 82 ms 8440 KB Output is correct
69 Correct 85 ms 8440 KB Output is correct
70 Correct 71 ms 8440 KB Output is correct
71 Correct 2 ms 256 KB Output is correct
72 Correct 4 ms 640 KB Output is correct
73 Correct 4 ms 668 KB Output is correct
74 Correct 3 ms 512 KB Output is correct
75 Correct 4 ms 512 KB Output is correct
76 Correct 4 ms 512 KB Output is correct
77 Correct 4 ms 640 KB Output is correct
78 Correct 4 ms 640 KB Output is correct
79 Correct 4 ms 512 KB Output is correct
80 Correct 68 ms 8440 KB Output is correct
81 Correct 78 ms 8444 KB Output is correct
82 Correct 78 ms 8568 KB Output is correct
83 Correct 147 ms 8444 KB Output is correct
84 Correct 3 ms 512 KB Output is correct
85 Correct 3 ms 512 KB Output is correct
86 Correct 3 ms 512 KB Output is correct
87 Correct 4 ms 512 KB Output is correct
88 Correct 3 ms 508 KB Output is correct
89 Correct 3 ms 512 KB Output is correct
90 Correct 3 ms 512 KB Output is correct
91 Correct 4 ms 512 KB Output is correct
92 Correct 3 ms 512 KB Output is correct
93 Correct 3 ms 512 KB Output is correct
94 Correct 2 ms 384 KB Output is correct
95 Correct 2 ms 384 KB Output is correct
96 Correct 2 ms 384 KB Output is correct
97 Correct 2 ms 384 KB Output is correct
98 Correct 2 ms 384 KB Output is correct
99 Correct 2 ms 384 KB Output is correct
100 Correct 2 ms 384 KB Output is correct
101 Correct 2 ms 384 KB Output is correct
102 Correct 2 ms 384 KB Output is correct
103 Correct 2 ms 384 KB Output is correct
104 Correct 8 ms 1024 KB Output is correct
105 Correct 15 ms 1768 KB Output is correct
106 Correct 2 ms 384 KB Output is correct
107 Correct 28 ms 3328 KB Output is correct
108 Correct 35 ms 4088 KB Output is correct
109 Correct 2 ms 384 KB Output is correct
110 Correct 51 ms 5504 KB Output is correct
111 Correct 59 ms 6264 KB Output is correct
112 Correct 2 ms 384 KB Output is correct
113 Correct 81 ms 7800 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 6008 KB Output is correct
2 Correct 80 ms 6048 KB Output is correct
3 Correct 75 ms 6008 KB Output is correct
4 Correct 75 ms 6004 KB Output is correct
5 Correct 78 ms 6004 KB Output is correct
6 Correct 86 ms 6628 KB Output is correct
7 Correct 82 ms 6264 KB Output is correct
8 Correct 73 ms 5960 KB Output is correct
9 Correct 75 ms 6008 KB Output is correct
10 Correct 81 ms 6316 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 74 ms 4340 KB Output is correct
13 Correct 78 ms 4212 KB Output is correct
14 Correct 73 ms 4148 KB Output is correct
15 Correct 73 ms 4208 KB Output is correct
16 Correct 72 ms 4080 KB Output is correct
17 Correct 74 ms 4084 KB Output is correct
18 Correct 73 ms 4216 KB Output is correct
19 Correct 71 ms 4084 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 3 ms 512 KB Output is correct
23 Correct 71 ms 4120 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 7160 KB Output is correct
2 Correct 62 ms 7160 KB Output is correct
3 Correct 41 ms 4728 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 8 ms 1152 KB Output is correct
6 Correct 15 ms 1920 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3328 KB Output is correct
9 Correct 38 ms 4096 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 53 ms 5624 KB Output is correct
12 Correct 71 ms 6392 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Incorrect 2 ms 384 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 7160 KB Output is correct
2 Correct 62 ms 7160 KB Output is correct
3 Correct 41 ms 4728 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 8 ms 1152 KB Output is correct
6 Correct 15 ms 1920 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3328 KB Output is correct
9 Correct 38 ms 4096 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 53 ms 5624 KB Output is correct
12 Correct 71 ms 6392 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 4 ms 256 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 2 ms 384 KB Output is correct
37 Correct 2 ms 384 KB Output is correct
38 Correct 2 ms 384 KB Output is correct
39 Correct 60 ms 7180 KB Output is correct
40 Correct 68 ms 7216 KB Output is correct
41 Correct 38 ms 4856 KB Output is correct
42 Correct 10 ms 1408 KB Output is correct
43 Correct 3 ms 384 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 384 KB Output is correct
46 Correct 2 ms 384 KB Output is correct
47 Correct 2 ms 384 KB Output is correct
48 Correct 2 ms 384 KB Output is correct
49 Correct 2 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 2 ms 384 KB Output is correct
53 Correct 2 ms 384 KB Output is correct
54 Correct 2 ms 384 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 2 ms 384 KB Output is correct
57 Correct 74 ms 8664 KB Output is correct
58 Correct 77 ms 8700 KB Output is correct
59 Correct 71 ms 8440 KB Output is correct
60 Correct 73 ms 8568 KB Output is correct
61 Correct 71 ms 8568 KB Output is correct
62 Correct 80 ms 8568 KB Output is correct
63 Correct 68 ms 8440 KB Output is correct
64 Correct 66 ms 8440 KB Output is correct
65 Correct 69 ms 8444 KB Output is correct
66 Correct 75 ms 8568 KB Output is correct
67 Correct 78 ms 8440 KB Output is correct
68 Correct 82 ms 8440 KB Output is correct
69 Correct 85 ms 8440 KB Output is correct
70 Correct 71 ms 8440 KB Output is correct
71 Correct 2 ms 256 KB Output is correct
72 Correct 4 ms 640 KB Output is correct
73 Correct 4 ms 668 KB Output is correct
74 Correct 3 ms 512 KB Output is correct
75 Correct 4 ms 512 KB Output is correct
76 Correct 4 ms 512 KB Output is correct
77 Correct 4 ms 640 KB Output is correct
78 Correct 4 ms 640 KB Output is correct
79 Correct 4 ms 512 KB Output is correct
80 Correct 68 ms 8440 KB Output is correct
81 Correct 78 ms 8444 KB Output is correct
82 Correct 78 ms 8568 KB Output is correct
83 Correct 147 ms 8444 KB Output is correct
84 Correct 3 ms 512 KB Output is correct
85 Correct 3 ms 512 KB Output is correct
86 Correct 3 ms 512 KB Output is correct
87 Correct 4 ms 512 KB Output is correct
88 Correct 3 ms 508 KB Output is correct
89 Correct 3 ms 512 KB Output is correct
90 Correct 3 ms 512 KB Output is correct
91 Correct 4 ms 512 KB Output is correct
92 Correct 3 ms 512 KB Output is correct
93 Correct 3 ms 512 KB Output is correct
94 Correct 2 ms 384 KB Output is correct
95 Correct 2 ms 384 KB Output is correct
96 Correct 2 ms 384 KB Output is correct
97 Correct 2 ms 384 KB Output is correct
98 Correct 2 ms 384 KB Output is correct
99 Correct 2 ms 384 KB Output is correct
100 Correct 2 ms 384 KB Output is correct
101 Correct 2 ms 384 KB Output is correct
102 Correct 2 ms 384 KB Output is correct
103 Correct 2 ms 384 KB Output is correct
104 Correct 8 ms 1024 KB Output is correct
105 Correct 15 ms 1768 KB Output is correct
106 Correct 2 ms 384 KB Output is correct
107 Correct 28 ms 3328 KB Output is correct
108 Correct 35 ms 4088 KB Output is correct
109 Correct 2 ms 384 KB Output is correct
110 Correct 51 ms 5504 KB Output is correct
111 Correct 59 ms 6264 KB Output is correct
112 Correct 2 ms 384 KB Output is correct
113 Correct 81 ms 7800 KB Output is correct
114 Correct 76 ms 6008 KB Output is correct
115 Correct 80 ms 6048 KB Output is correct
116 Correct 75 ms 6008 KB Output is correct
117 Correct 75 ms 6004 KB Output is correct
118 Correct 78 ms 6004 KB Output is correct
119 Correct 86 ms 6628 KB Output is correct
120 Correct 82 ms 6264 KB Output is correct
121 Correct 73 ms 5960 KB Output is correct
122 Correct 75 ms 6008 KB Output is correct
123 Correct 81 ms 6316 KB Output is correct
124 Correct 2 ms 384 KB Output is correct
125 Correct 74 ms 4340 KB Output is correct
126 Correct 78 ms 4212 KB Output is correct
127 Correct 73 ms 4148 KB Output is correct
128 Correct 73 ms 4208 KB Output is correct
129 Correct 72 ms 4080 KB Output is correct
130 Correct 74 ms 4084 KB Output is correct
131 Correct 73 ms 4216 KB Output is correct
132 Correct 71 ms 4084 KB Output is correct
133 Correct 2 ms 384 KB Output is correct
134 Correct 2 ms 256 KB Output is correct
135 Correct 3 ms 512 KB Output is correct
136 Correct 71 ms 4120 KB Output is correct
137 Incorrect 2 ms 384 KB Output isn't correct
138 Halted 0 ms 0 KB -