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답안 #1022125

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1022125 2024-07-13T10:20:28 Z MarwenElarbi 꿈 (IOI13_dreaming) C++17
47 / 100
 77 ms 17912 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;
        }
    }
    res=max(res,mx.fi+mx.se+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

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 13296 KB Output is correct
2 Correct 29 ms 12884 KB Output is correct
3 Correct 23 ms 11144 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 5 ms 3676 KB Output is correct
6 Correct 10 ms 4956 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 16 ms 7008 KB Output is correct
9 Correct 21 ms 9304 KB Output is correct
10 Correct 2 ms 2816 KB Output is correct
11 Correct 27 ms 10492 KB Output is correct
12 Correct 39 ms 11864 KB Output is correct
13 Correct 2 ms 2908 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2648 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 1 ms 2816 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2828 KB Output is correct
13 Correct 1 ms 2816 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2648 KB Output is correct
17 Correct 1 ms 2648 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 2 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 13296 KB Output is correct
2 Correct 29 ms 12884 KB Output is correct
3 Correct 23 ms 11144 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 5 ms 3676 KB Output is correct
6 Correct 10 ms 4956 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 16 ms 7008 KB Output is correct
9 Correct 21 ms 9304 KB Output is correct
10 Correct 2 ms 2816 KB Output is correct
11 Correct 27 ms 10492 KB Output is correct
12 Correct 39 ms 11864 KB Output is correct
13 Correct 2 ms 2908 KB Output is correct
14 Correct 2 ms 2648 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 1 ms 2816 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2828 KB Output is correct
26 Correct 1 ms 2816 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2648 KB Output is correct
29 Correct 1 ms 2648 KB Output is correct
30 Correct 1 ms 2648 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 1 ms 2652 KB Output is correct
33 Correct 1 ms 2652 KB Output is correct
34 Correct 1 ms 2652 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 1 ms 2652 KB Output is correct
37 Correct 1 ms 2648 KB Output is correct
38 Correct 1 ms 2652 KB Output is correct
39 Correct 30 ms 13144 KB Output is correct
40 Correct 30 ms 12892 KB Output is correct
41 Correct 24 ms 11036 KB Output is correct
42 Correct 7 ms 4188 KB Output is correct
43 Correct 1 ms 2652 KB Output is correct
44 Correct 1 ms 2652 KB Output is correct
45 Correct 1 ms 2648 KB Output is correct
46 Correct 1 ms 2648 KB Output is correct
47 Correct 1 ms 2652 KB Output is correct
48 Correct 1 ms 2816 KB Output is correct
49 Correct 1 ms 2652 KB Output is correct
50 Correct 1 ms 2652 KB Output is correct
51 Correct 1 ms 2652 KB Output is correct
52 Correct 1 ms 2648 KB Output is correct
53 Correct 1 ms 2652 KB Output is correct
54 Correct 1 ms 2816 KB Output is correct
55 Correct 1 ms 2652 KB Output is correct
56 Correct 1 ms 2812 KB Output is correct
57 Correct 43 ms 10888 KB Output is correct
58 Correct 35 ms 10840 KB Output is correct
59 Correct 42 ms 10588 KB Output is correct
60 Correct 37 ms 10580 KB Output is correct
61 Correct 40 ms 10832 KB Output is correct
62 Correct 40 ms 10832 KB Output is correct
63 Correct 38 ms 10320 KB Output is correct
64 Correct 36 ms 10320 KB Output is correct
65 Correct 40 ms 10576 KB Output is correct
66 Correct 37 ms 10844 KB Output is correct
67 Correct 68 ms 10576 KB Output is correct
68 Correct 41 ms 10576 KB Output is correct
69 Correct 77 ms 10940 KB Output is correct
70 Correct 48 ms 10836 KB Output is correct
71 Correct 1 ms 2648 KB Output is correct
72 Correct 2 ms 2904 KB Output is correct
73 Correct 2 ms 2908 KB Output is correct
74 Correct 2 ms 2876 KB Output is correct
75 Correct 3 ms 2904 KB Output is correct
76 Correct 3 ms 3168 KB Output is correct
77 Correct 4 ms 2904 KB Output is correct
78 Correct 2 ms 2908 KB Output is correct
79 Correct 3 ms 2876 KB Output is correct
80 Correct 37 ms 10564 KB Output is correct
81 Correct 41 ms 10584 KB Output is correct
82 Correct 59 ms 10836 KB Output is correct
83 Correct 36 ms 10836 KB Output is correct
84 Correct 2 ms 2860 KB Output is correct
85 Correct 2 ms 2828 KB Output is correct
86 Correct 3 ms 2908 KB Output is correct
87 Correct 2 ms 3160 KB Output is correct
88 Correct 2 ms 2908 KB Output is correct
89 Correct 2 ms 2908 KB Output is correct
90 Correct 2 ms 2908 KB Output is correct
91 Correct 2 ms 2908 KB Output is correct
92 Correct 3 ms 2904 KB Output is correct
93 Correct 2 ms 2904 KB Output is correct
94 Correct 1 ms 2652 KB Output is correct
95 Correct 2 ms 2652 KB Output is correct
96 Correct 1 ms 2652 KB Output is correct
97 Correct 1 ms 2816 KB Output is correct
98 Correct 2 ms 2820 KB Output is correct
99 Correct 2 ms 2652 KB Output is correct
100 Correct 1 ms 2776 KB Output is correct
101 Correct 2 ms 2904 KB Output is correct
102 Correct 2 ms 2652 KB Output is correct
103 Correct 1 ms 2652 KB Output is correct
104 Correct 5 ms 3676 KB Output is correct
105 Correct 10 ms 5024 KB Output is correct
106 Correct 1 ms 2652 KB Output is correct
107 Correct 17 ms 7004 KB Output is correct
108 Correct 21 ms 9472 KB Output is correct
109 Correct 1 ms 2908 KB Output is correct
110 Correct 33 ms 10588 KB Output is correct
111 Correct 40 ms 11864 KB Output is correct
112 Correct 2 ms 2908 KB Output is correct
113 Correct 42 ms 17912 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 7000 KB Output is correct
2 Incorrect 12 ms 7004 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2648 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 1 ms 2816 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2828 KB Output is correct
13 Correct 1 ms 2816 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2648 KB Output is correct
17 Correct 1 ms 2648 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 2 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 2 ms 2652 KB Output is correct
27 Correct 2 ms 2908 KB Output is correct
28 Correct 2 ms 2908 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 2 ms 2908 KB Output is correct
32 Incorrect 1 ms 2652 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 13296 KB Output is correct
2 Correct 29 ms 12884 KB Output is correct
3 Correct 23 ms 11144 KB Output is correct
4 Correct 6 ms 4188 KB Output is correct
5 Correct 5 ms 3676 KB Output is correct
6 Correct 10 ms 4956 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 16 ms 7008 KB Output is correct
9 Correct 21 ms 9304 KB Output is correct
10 Correct 2 ms 2816 KB Output is correct
11 Correct 27 ms 10492 KB Output is correct
12 Correct 39 ms 11864 KB Output is correct
13 Correct 2 ms 2908 KB Output is correct
14 Correct 2 ms 2648 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 1 ms 2816 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2828 KB Output is correct
26 Correct 1 ms 2816 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2648 KB Output is correct
29 Correct 1 ms 2648 KB Output is correct
30 Correct 1 ms 2648 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 1 ms 2652 KB Output is correct
33 Correct 1 ms 2652 KB Output is correct
34 Correct 1 ms 2652 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 1 ms 2652 KB Output is correct
37 Correct 1 ms 2648 KB Output is correct
38 Correct 1 ms 2652 KB Output is correct
39 Correct 30 ms 13144 KB Output is correct
40 Correct 30 ms 12892 KB Output is correct
41 Correct 24 ms 11036 KB Output is correct
42 Correct 7 ms 4188 KB Output is correct
43 Correct 1 ms 2652 KB Output is correct
44 Correct 1 ms 2652 KB Output is correct
45 Correct 1 ms 2648 KB Output is correct
46 Correct 1 ms 2648 KB Output is correct
47 Correct 1 ms 2652 KB Output is correct
48 Correct 1 ms 2816 KB Output is correct
49 Correct 1 ms 2652 KB Output is correct
50 Correct 1 ms 2652 KB Output is correct
51 Correct 1 ms 2652 KB Output is correct
52 Correct 1 ms 2648 KB Output is correct
53 Correct 1 ms 2652 KB Output is correct
54 Correct 1 ms 2816 KB Output is correct
55 Correct 1 ms 2652 KB Output is correct
56 Correct 1 ms 2812 KB Output is correct
57 Correct 43 ms 10888 KB Output is correct
58 Correct 35 ms 10840 KB Output is correct
59 Correct 42 ms 10588 KB Output is correct
60 Correct 37 ms 10580 KB Output is correct
61 Correct 40 ms 10832 KB Output is correct
62 Correct 40 ms 10832 KB Output is correct
63 Correct 38 ms 10320 KB Output is correct
64 Correct 36 ms 10320 KB Output is correct
65 Correct 40 ms 10576 KB Output is correct
66 Correct 37 ms 10844 KB Output is correct
67 Correct 68 ms 10576 KB Output is correct
68 Correct 41 ms 10576 KB Output is correct
69 Correct 77 ms 10940 KB Output is correct
70 Correct 48 ms 10836 KB Output is correct
71 Correct 1 ms 2648 KB Output is correct
72 Correct 2 ms 2904 KB Output is correct
73 Correct 2 ms 2908 KB Output is correct
74 Correct 2 ms 2876 KB Output is correct
75 Correct 3 ms 2904 KB Output is correct
76 Correct 3 ms 3168 KB Output is correct
77 Correct 4 ms 2904 KB Output is correct
78 Correct 2 ms 2908 KB Output is correct
79 Correct 3 ms 2876 KB Output is correct
80 Correct 37 ms 10564 KB Output is correct
81 Correct 41 ms 10584 KB Output is correct
82 Correct 59 ms 10836 KB Output is correct
83 Correct 36 ms 10836 KB Output is correct
84 Correct 2 ms 2860 KB Output is correct
85 Correct 2 ms 2828 KB Output is correct
86 Correct 3 ms 2908 KB Output is correct
87 Correct 2 ms 3160 KB Output is correct
88 Correct 2 ms 2908 KB Output is correct
89 Correct 2 ms 2908 KB Output is correct
90 Correct 2 ms 2908 KB Output is correct
91 Correct 2 ms 2908 KB Output is correct
92 Correct 3 ms 2904 KB Output is correct
93 Correct 2 ms 2904 KB Output is correct
94 Correct 1 ms 2652 KB Output is correct
95 Correct 2 ms 2652 KB Output is correct
96 Correct 1 ms 2652 KB Output is correct
97 Correct 1 ms 2816 KB Output is correct
98 Correct 2 ms 2820 KB Output is correct
99 Correct 2 ms 2652 KB Output is correct
100 Correct 1 ms 2776 KB Output is correct
101 Correct 2 ms 2904 KB Output is correct
102 Correct 2 ms 2652 KB Output is correct
103 Correct 1 ms 2652 KB Output is correct
104 Correct 5 ms 3676 KB Output is correct
105 Correct 10 ms 5024 KB Output is correct
106 Correct 1 ms 2652 KB Output is correct
107 Correct 17 ms 7004 KB Output is correct
108 Correct 21 ms 9472 KB Output is correct
109 Correct 1 ms 2908 KB Output is correct
110 Correct 33 ms 10588 KB Output is correct
111 Correct 40 ms 11864 KB Output is correct
112 Correct 2 ms 2908 KB Output is correct
113 Correct 42 ms 17912 KB Output is correct
114 Correct 16 ms 7000 KB Output is correct
115 Incorrect 12 ms 7004 KB Output isn't correct
116 Halted 0 ms 0 KB -