oj.uz

Submission #1022156

# Submission time Handle Problem Language Result Execution time Memory
1022156 2024-07-13T10:36:22 Z MarwenElarbi Dreaming (IOI13_dreaming) C++17
47 / 100
 42 ms 16140 KB 
#include <bits/stdc++.h>
#include"dreaming.h"
using namespace std;
#define ll long long
#define fi first
#define se second
#define pb push_back
const int nax=1e5+5;
vector<bool> vis(nax);
pair<pair<int,int>,pair<int,int>> dp[nax];
vector<pair<int,int>> adj[nax];
int res=0;
pair<int,int> mx={-1,-1};
void init(int x,int p){
    dp[x]={{0,0},{0,0}};
    vis[x]=true;
    for(auto u:adj[x]){
        if(u.fi==p) continue;
        init(u.fi,x);
        if(u.se+dp[u.fi].fi.fi>dp[x].fi.fi){
            dp[x].se=dp[x].fi;
            dp[x].fi.fi=dp[u.fi].fi.fi+u.se;
            dp[x].fi.se=u.fi;
        }else if(u.se+dp[u.fi].fi.fi>dp[x].se.fi){
            dp[x].se.fi=dp[u.fi].fi.fi+u.se;
            dp[x].se.se=u.fi;
        }
    }
    return;
}
int ans;
void dfs(int x,int p){
    res=max(res,dp[x].fi.fi+dp[x].se.fi);
    ans=min(ans,dp[x].fi.fi);
    for(auto u:adj[x]){
        if(u.fi==p) continue;
        pair<int,int> cur;
        if(u.fi==dp[x].fi.se){
            cur=dp[x].se;
            cur.fi+=u.se;
            cur.se=x;
        }else{
            cur=dp[x].fi;
            cur.fi+=u.se;
            cur.se=x;
        }
        if(cur.fi>dp[u.fi].fi.fi){
            dp[u.fi].se=dp[u.fi].fi;
            dp[u.fi].fi=cur;
        }else if(cur.fi>dp[u.fi].se.fi){
            dp[u.fi].se=cur;
        }
        dfs(u.fi,x);
    }
}   
int travelTime(int N,int M,int L,int A[],int B[],int T[]){
    for (int i = 0; i < M; ++i)
    {
        adj[A[i]].pb({B[i],T[i]});
        adj[B[i]].pb({A[i],T[i]});
    }
    for (int i = 0; i < N; ++i)
    {
        if(vis[i]) continue;
        init(i,-1);
        ans=1e9;
        dfs(i,-1);
        if(mx.fi<ans){
            mx.se=mx.fi;
            mx.fi=ans;
        }else if(mx.se<ans){
            mx.se=ans;
        }
    }
    if(M==N-1) return res;
    res=max(res,mx.fi+mx.se+L);
    if(M==0&&N>2) res=max(res,2*L);
    return res;
}/*
int main(){
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    int n,m,l;
    cin>>n>>m>>l;
    int a[m];
    int b[m];
    int t[m];
    for (int i = 0; i < m; ++i)
    {
        cin>>a[i]>>b[i]>>t[i];
    }
    cout <<travelTime(n,m,l,a,b,t)<<endl;
}*/

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 12116 KB Output is correct
2 Correct 26 ms 11860 KB Output is correct
3 Correct 25 ms 10836 KB Output is correct
4 Correct 5 ms 5468 KB Output is correct
5 Correct 4 ms 4956 KB Output is correct
6 Correct 8 ms 5980 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 15 ms 7260 KB Output is correct
9 Correct 19 ms 9308 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 26 ms 9816 KB Output is correct
12 Correct 30 ms 10916 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 12116 KB Output is correct
2 Correct 26 ms 11860 KB Output is correct
3 Correct 25 ms 10836 KB Output is correct
4 Correct 5 ms 5468 KB Output is correct
5 Correct 4 ms 4956 KB Output is correct
6 Correct 8 ms 5980 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 15 ms 7260 KB Output is correct
9 Correct 19 ms 9308 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 26 ms 9816 KB Output is correct
12 Correct 30 ms 10916 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 2 ms 4440 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4440 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 27 ms 12120 KB Output is correct
40 Correct 28 ms 11868 KB Output is correct
41 Correct 20 ms 10580 KB Output is correct
42 Correct 4 ms 5464 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4484 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 2 ms 4440 KB Output is correct
53 Correct 1 ms 4440 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 36 ms 9552 KB Output is correct
58 Correct 35 ms 9296 KB Output is correct
59 Correct 42 ms 9300 KB Output is correct
60 Correct 38 ms 9296 KB Output is correct
61 Correct 33 ms 9308 KB Output is correct
62 Correct 35 ms 9296 KB Output is correct
63 Correct 30 ms 9048 KB Output is correct
64 Correct 31 ms 9040 KB Output is correct
65 Correct 31 ms 9104 KB Output is correct
66 Correct 34 ms 9052 KB Output is correct
67 Correct 35 ms 9328 KB Output is correct
68 Correct 33 ms 9296 KB Output is correct
69 Correct 38 ms 9336 KB Output is correct
70 Correct 33 ms 9304 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 2 ms 4700 KB Output is correct
73 Correct 1 ms 4700 KB Output is correct
74 Correct 2 ms 4444 KB Output is correct
75 Correct 2 ms 4444 KB Output is correct
76 Correct 2 ms 4444 KB Output is correct
77 Correct 2 ms 4444 KB Output is correct
78 Correct 1 ms 4700 KB Output is correct
79 Correct 2 ms 4700 KB Output is correct
80 Correct 35 ms 9328 KB Output is correct
81 Correct 41 ms 9304 KB Output is correct
82 Correct 39 ms 9308 KB Output is correct
83 Correct 37 ms 9248 KB Output is correct
84 Correct 1 ms 4440 KB Output is correct
85 Correct 2 ms 4444 KB Output is correct
86 Correct 1 ms 4444 KB Output is correct
87 Correct 2 ms 4444 KB Output is correct
88 Correct 1 ms 4444 KB Output is correct
89 Correct 1 ms 4440 KB Output is correct
90 Correct 2 ms 4440 KB Output is correct
91 Correct 2 ms 4444 KB Output is correct
92 Correct 2 ms 4444 KB Output is correct
93 Correct 1 ms 4672 KB Output is correct
94 Correct 1 ms 4444 KB Output is correct
95 Correct 1 ms 4444 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4444 KB Output is correct
98 Correct 1 ms 4440 KB Output is correct
99 Correct 1 ms 4444 KB Output is correct
100 Correct 1 ms 4444 KB Output is correct
101 Correct 1 ms 4444 KB Output is correct
102 Correct 1 ms 4444 KB Output is correct
103 Correct 1 ms 4440 KB Output is correct
104 Correct 4 ms 4956 KB Output is correct
105 Correct 8 ms 6084 KB Output is correct
106 Correct 1 ms 4444 KB Output is correct
107 Correct 15 ms 7492 KB Output is correct
108 Correct 25 ms 9308 KB Output is correct
109 Correct 1 ms 4444 KB Output is correct
110 Correct 28 ms 9796 KB Output is correct
111 Correct 30 ms 10832 KB Output is correct
112 Correct 1 ms 4444 KB Output is correct
113 Correct 40 ms 16140 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7260 KB Output is correct
2 Incorrect 11 ms 7212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 2 ms 4444 KB Output is correct
32 Incorrect 1 ms 4444 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 12116 KB Output is correct
2 Correct 26 ms 11860 KB Output is correct
3 Correct 25 ms 10836 KB Output is correct
4 Correct 5 ms 5468 KB Output is correct
5 Correct 4 ms 4956 KB Output is correct
6 Correct 8 ms 5980 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 15 ms 7260 KB Output is correct
9 Correct 19 ms 9308 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 26 ms 9816 KB Output is correct
12 Correct 30 ms 10916 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 2 ms 4440 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4440 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 27 ms 12120 KB Output is correct
40 Correct 28 ms 11868 KB Output is correct
41 Correct 20 ms 10580 KB Output is correct
42 Correct 4 ms 5464 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4484 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 2 ms 4440 KB Output is correct
53 Correct 1 ms 4440 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 36 ms 9552 KB Output is correct
58 Correct 35 ms 9296 KB Output is correct
59 Correct 42 ms 9300 KB Output is correct
60 Correct 38 ms 9296 KB Output is correct
61 Correct 33 ms 9308 KB Output is correct
62 Correct 35 ms 9296 KB Output is correct
63 Correct 30 ms 9048 KB Output is correct
64 Correct 31 ms 9040 KB Output is correct
65 Correct 31 ms 9104 KB Output is correct
66 Correct 34 ms 9052 KB Output is correct
67 Correct 35 ms 9328 KB Output is correct
68 Correct 33 ms 9296 KB Output is correct
69 Correct 38 ms 9336 KB Output is correct
70 Correct 33 ms 9304 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 2 ms 4700 KB Output is correct
73 Correct 1 ms 4700 KB Output is correct
74 Correct 2 ms 4444 KB Output is correct
75 Correct 2 ms 4444 KB Output is correct
76 Correct 2 ms 4444 KB Output is correct
77 Correct 2 ms 4444 KB Output is correct
78 Correct 1 ms 4700 KB Output is correct
79 Correct 2 ms 4700 KB Output is correct
80 Correct 35 ms 9328 KB Output is correct
81 Correct 41 ms 9304 KB Output is correct
82 Correct 39 ms 9308 KB Output is correct
83 Correct 37 ms 9248 KB Output is correct
84 Correct 1 ms 4440 KB Output is correct
85 Correct 2 ms 4444 KB Output is correct
86 Correct 1 ms 4444 KB Output is correct
87 Correct 2 ms 4444 KB Output is correct
88 Correct 1 ms 4444 KB Output is correct
89 Correct 1 ms 4440 KB Output is correct
90 Correct 2 ms 4440 KB Output is correct
91 Correct 2 ms 4444 KB Output is correct
92 Correct 2 ms 4444 KB Output is correct
93 Correct 1 ms 4672 KB Output is correct
94 Correct 1 ms 4444 KB Output is correct
95 Correct 1 ms 4444 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4444 KB Output is correct
98 Correct 1 ms 4440 KB Output is correct
99 Correct 1 ms 4444 KB Output is correct
100 Correct 1 ms 4444 KB Output is correct
101 Correct 1 ms 4444 KB Output is correct
102 Correct 1 ms 4444 KB Output is correct
103 Correct 1 ms 4440 KB Output is correct
104 Correct 4 ms 4956 KB Output is correct
105 Correct 8 ms 6084 KB Output is correct
106 Correct 1 ms 4444 KB Output is correct
107 Correct 15 ms 7492 KB Output is correct
108 Correct 25 ms 9308 KB Output is correct
109 Correct 1 ms 4444 KB Output is correct
110 Correct 28 ms 9796 KB Output is correct
111 Correct 30 ms 10832 KB Output is correct
112 Correct 1 ms 4444 KB Output is correct
113 Correct 40 ms 16140 KB Output is correct
114 Correct 12 ms 7260 KB Output is correct
115 Incorrect 11 ms 7212 KB Output isn't correct
116 Halted 0 ms 0 KB -