oj.uz

답안 #119940

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
119940 2019-06-22T17:04:09 Z admin 꿈 (IOI13_dreaming) C++14
65 / 100
 126 ms 8736 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

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 7356 KB Output is correct
2 Correct 61 ms 7124 KB Output is correct
3 Correct 39 ms 4736 KB Output is correct
4 Correct 9 ms 1424 KB Output is correct
5 Correct 8 ms 1024 KB Output is correct
6 Correct 14 ms 1792 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3380 KB Output is correct
9 Correct 35 ms 4068 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 55 ms 5496 KB Output is correct
12 Correct 60 ms 6264 KB Output is correct
13 Correct 2 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 7356 KB Output is correct
2 Correct 61 ms 7124 KB Output is correct
3 Correct 39 ms 4736 KB Output is correct
4 Correct 9 ms 1424 KB Output is correct
5 Correct 8 ms 1024 KB Output is correct
6 Correct 14 ms 1792 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3380 KB Output is correct
9 Correct 35 ms 4068 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 55 ms 5496 KB Output is correct
12 Correct 60 ms 6264 KB Output is correct
13 Correct 2 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 2 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 428 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

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 7356 KB Output is correct
2 Correct 61 ms 7124 KB Output is correct
3 Correct 39 ms 4736 KB Output is correct
4 Correct 9 ms 1424 KB Output is correct
5 Correct 8 ms 1024 KB Output is correct
6 Correct 14 ms 1792 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3380 KB Output is correct
9 Correct 35 ms 4068 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 55 ms 5496 KB Output is correct
12 Correct 60 ms 6264 KB Output is correct
13 Correct 2 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 2 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 428 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 67 ms 7216 KB Output is correct
40 Correct 78 ms 7184 KB Output is correct
41 Correct 40 ms 4756 KB Output is correct
42 Correct 9 ms 1328 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 356 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 304 KB Output is correct
56 Correct 2 ms 384 KB Output is correct
57 Correct 90 ms 8736 KB Output is correct
58 Correct 81 ms 8716 KB Output is correct
59 Correct 82 ms 8560 KB Output is correct
60 Correct 83 ms 8420 KB Output is correct
61 Correct 78 ms 8440 KB Output is correct
62 Correct 81 ms 8660 KB Output is correct
63 Correct 70 ms 8388 KB Output is correct
64 Correct 113 ms 8592 KB Output is correct
65 Correct 82 ms 8456 KB Output is correct
66 Correct 74 ms 8508 KB Output is correct
67 Correct 68 ms 8432 KB Output is correct
68 Correct 70 ms 8544 KB Output is correct
69 Correct 71 ms 8412 KB Output is correct
70 Correct 77 ms 8440 KB Output is correct
71 Correct 2 ms 256 KB Output is correct
72 Correct 4 ms 512 KB Output is correct
73 Correct 4 ms 640 KB Output is correct
74 Correct 3 ms 512 KB Output is correct
75 Correct 3 ms 512 KB Output is correct
76 Correct 4 ms 512 KB Output is correct
77 Correct 3 ms 512 KB Output is correct
78 Correct 4 ms 512 KB Output is correct
79 Correct 3 ms 512 KB Output is correct
80 Correct 85 ms 8540 KB Output is correct
81 Correct 72 ms 8440 KB Output is correct
82 Correct 76 ms 8412 KB Output is correct
83 Correct 75 ms 8544 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 3 ms 512 KB Output is correct
88 Correct 3 ms 640 KB Output is correct
89 Correct 3 ms 512 KB Output is correct
90 Correct 4 ms 512 KB Output is correct
91 Correct 3 ms 640 KB Output is correct
92 Correct 3 ms 612 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 304 KB Output is correct
102 Correct 2 ms 384 KB Output is correct
103 Correct 2 ms 384 KB Output is correct
104 Correct 9 ms 1116 KB Output is correct
105 Correct 16 ms 1792 KB Output is correct
106 Correct 2 ms 384 KB Output is correct
107 Correct 30 ms 3328 KB Output is correct
108 Correct 38 ms 4112 KB Output is correct
109 Correct 3 ms 512 KB Output is correct
110 Correct 51 ms 5496 KB Output is correct
111 Correct 69 ms 6288 KB Output is correct
112 Correct 2 ms 384 KB Output is correct
113 Correct 89 ms 7832 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 6008 KB Output is correct
2 Correct 78 ms 6008 KB Output is correct
3 Correct 71 ms 6008 KB Output is correct
4 Correct 81 ms 6004 KB Output is correct
5 Correct 81 ms 6004 KB Output is correct
6 Correct 84 ms 6620 KB Output is correct
7 Correct 78 ms 6268 KB Output is correct
8 Correct 75 ms 6012 KB Output is correct
9 Correct 73 ms 5880 KB Output is correct
10 Correct 78 ms 6264 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 74 ms 4224 KB Output is correct
13 Correct 76 ms 4212 KB Output is correct
14 Correct 75 ms 4088 KB Output is correct
15 Correct 126 ms 4212 KB Output is correct
16 Correct 73 ms 4336 KB Output is correct
17 Correct 73 ms 4084 KB Output is correct
18 Correct 74 ms 4216 KB Output is correct
19 Correct 74 ms 4152 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 75 ms 4212 KB Output is correct

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 7356 KB Output is correct
2 Correct 61 ms 7124 KB Output is correct
3 Correct 39 ms 4736 KB Output is correct
4 Correct 9 ms 1424 KB Output is correct
5 Correct 8 ms 1024 KB Output is correct
6 Correct 14 ms 1792 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3380 KB Output is correct
9 Correct 35 ms 4068 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 55 ms 5496 KB Output is correct
12 Correct 60 ms 6264 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Incorrect 3 ms 384 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 7356 KB Output is correct
2 Correct 61 ms 7124 KB Output is correct
3 Correct 39 ms 4736 KB Output is correct
4 Correct 9 ms 1424 KB Output is correct
5 Correct 8 ms 1024 KB Output is correct
6 Correct 14 ms 1792 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 29 ms 3380 KB Output is correct
9 Correct 35 ms 4068 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 55 ms 5496 KB Output is correct
12 Correct 60 ms 6264 KB Output is correct
13 Correct 2 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 2 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 428 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 67 ms 7216 KB Output is correct
40 Correct 78 ms 7184 KB Output is correct
41 Correct 40 ms 4756 KB Output is correct
42 Correct 9 ms 1328 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 356 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 304 KB Output is correct
56 Correct 2 ms 384 KB Output is correct
57 Correct 90 ms 8736 KB Output is correct
58 Correct 81 ms 8716 KB Output is correct
59 Correct 82 ms 8560 KB Output is correct
60 Correct 83 ms 8420 KB Output is correct
61 Correct 78 ms 8440 KB Output is correct
62 Correct 81 ms 8660 KB Output is correct
63 Correct 70 ms 8388 KB Output is correct
64 Correct 113 ms 8592 KB Output is correct
65 Correct 82 ms 8456 KB Output is correct
66 Correct 74 ms 8508 KB Output is correct
67 Correct 68 ms 8432 KB Output is correct
68 Correct 70 ms 8544 KB Output is correct
69 Correct 71 ms 8412 KB Output is correct
70 Correct 77 ms 8440 KB Output is correct
71 Correct 2 ms 256 KB Output is correct
72 Correct 4 ms 512 KB Output is correct
73 Correct 4 ms 640 KB Output is correct
74 Correct 3 ms 512 KB Output is correct
75 Correct 3 ms 512 KB Output is correct
76 Correct 4 ms 512 KB Output is correct
77 Correct 3 ms 512 KB Output is correct
78 Correct 4 ms 512 KB Output is correct
79 Correct 3 ms 512 KB Output is correct
80 Correct 85 ms 8540 KB Output is correct
81 Correct 72 ms 8440 KB Output is correct
82 Correct 76 ms 8412 KB Output is correct
83 Correct 75 ms 8544 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 3 ms 512 KB Output is correct
88 Correct 3 ms 640 KB Output is correct
89 Correct 3 ms 512 KB Output is correct
90 Correct 4 ms 512 KB Output is correct
91 Correct 3 ms 640 KB Output is correct
92 Correct 3 ms 612 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 304 KB Output is correct
102 Correct 2 ms 384 KB Output is correct
103 Correct 2 ms 384 KB Output is correct
104 Correct 9 ms 1116 KB Output is correct
105 Correct 16 ms 1792 KB Output is correct
106 Correct 2 ms 384 KB Output is correct
107 Correct 30 ms 3328 KB Output is correct
108 Correct 38 ms 4112 KB Output is correct
109 Correct 3 ms 512 KB Output is correct
110 Correct 51 ms 5496 KB Output is correct
111 Correct 69 ms 6288 KB Output is correct
112 Correct 2 ms 384 KB Output is correct
113 Correct 89 ms 7832 KB Output is correct
114 Correct 79 ms 6008 KB Output is correct
115 Correct 78 ms 6008 KB Output is correct
116 Correct 71 ms 6008 KB Output is correct
117 Correct 81 ms 6004 KB Output is correct
118 Correct 81 ms 6004 KB Output is correct
119 Correct 84 ms 6620 KB Output is correct
120 Correct 78 ms 6268 KB Output is correct
121 Correct 75 ms 6012 KB Output is correct
122 Correct 73 ms 5880 KB Output is correct
123 Correct 78 ms 6264 KB Output is correct
124 Correct 2 ms 384 KB Output is correct
125 Correct 74 ms 4224 KB Output is correct
126 Correct 76 ms 4212 KB Output is correct
127 Correct 75 ms 4088 KB Output is correct
128 Correct 126 ms 4212 KB Output is correct
129 Correct 73 ms 4336 KB Output is correct
130 Correct 73 ms 4084 KB Output is correct
131 Correct 74 ms 4216 KB Output is correct
132 Correct 74 ms 4152 KB Output is correct
133 Correct 2 ms 384 KB Output is correct
134 Correct 2 ms 384 KB Output is correct
135 Correct 2 ms 384 KB Output is correct
136 Correct 75 ms 4212 KB Output is correct
137 Incorrect 3 ms 384 KB Output isn't correct
138 Halted 0 ms 0 KB -