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답안 #849297

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
849297 2023-09-14T12:01:26 Z abcvuitunggio 꿈 (IOI13_dreaming) C++17
47 / 100
 57 ms 19024 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
vector <pair <int, int>> ke[100001];
int dp[100001],dp2[100001],ch[100001],mx;
priority_queue <int, vector <int>, greater <int>> q;
void dfs(int u, int p){
    ch[u]=1;
    for (auto [v,w]:ke[u])
        if (v!=p){
            dfs(v,u);
            dp[u]=max(dp[u],dp[v]+w);
        }
}
void dfs2(int u, int p){
    ch[u]=0;
    int mx=0,idx=-1,mx2=0;
    for (auto [v,w]:ke[u]){
        if (v==p)
            continue;
        if (dp[v]+w>mx){
            mx2=mx;
            mx=dp[v]+w;
            idx=v;
        }
        else
            mx2=max(mx2,dp[v]+w);
    }
    for (auto [v,w]:ke[u]){
        if (v==p)
            continue;
        dp2[v]=max(dp2[u],(v==idx?mx2:mx))+w;
        dfs2(v,u);
    }
}
int dfs3(int u, int p){
    ch[u]=1;
    int mn=dp[u];
    for (auto [v,w]:ke[u])
        if (v!=p)
            mn=min(mn,dfs3(v,u));
    return mn;
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    for (int i=0;i<M;i++){
        ke[A[i]].emplace_back(B[i],T[i]);
        ke[B[i]].emplace_back(A[i],T[i]);
    }
    for (int i=0;i<N;i++)
        if (!ch[i])
            dfs(i,i);
    for (int i=0;i<N;i++)
        if (ch[i])
            dfs2(i,i);
    for (int i=0;i<N;i++){
        dp[i]=max(dp[i],dp2[i]);
        mx=max(mx,dp[i]);
    }
    for (int i=0;i<N;i++)
        if (!ch[i])
            q.push(dfs3(i,i));
    while (q.size()>1){
        int x=q.top();
        q.pop();
        int y=q.top();
        q.pop();
        mx=max(mx,x+y+L);
        q.push(min(max(x,y+L),max(x+L,y)));
    }
    return mx;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 12624 KB Output is correct
2 Correct 38 ms 12288 KB Output is correct
3 Correct 27 ms 11600 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 6 ms 5720 KB Output is correct
6 Correct 9 ms 6488 KB Output is correct
7 Correct 2 ms 4952 KB Output is correct
8 Correct 17 ms 8024 KB Output is correct
9 Correct 21 ms 10328 KB Output is correct
10 Correct 1 ms 4952 KB Output is correct
11 Correct 31 ms 10328 KB Output is correct
12 Correct 35 ms 11344 KB Output is correct
13 Correct 1 ms 4952 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4952 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 1 ms 4952 KB Output is correct
5 Correct 1 ms 4952 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4952 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 1 ms 4952 KB Output is correct
10 Correct 1 ms 4952 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 1 ms 4952 KB Output is correct
13 Correct 1 ms 4952 KB Output is correct
14 Correct 1 ms 4952 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 4 ms 4952 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 1 ms 4952 KB Output is correct
19 Correct 1 ms 4952 KB Output is correct
20 Correct 1 ms 4952 KB Output is correct
21 Correct 1 ms 4952 KB Output is correct
22 Correct 1 ms 4952 KB Output is correct
23 Correct 1 ms 4952 KB Output is correct
24 Correct 1 ms 4952 KB Output is correct
25 Correct 1 ms 4952 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 12624 KB Output is correct
2 Correct 38 ms 12288 KB Output is correct
3 Correct 27 ms 11600 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 6 ms 5720 KB Output is correct
6 Correct 9 ms 6488 KB Output is correct
7 Correct 2 ms 4952 KB Output is correct
8 Correct 17 ms 8024 KB Output is correct
9 Correct 21 ms 10328 KB Output is correct
10 Correct 1 ms 4952 KB Output is correct
11 Correct 31 ms 10328 KB Output is correct
12 Correct 35 ms 11344 KB Output is correct
13 Correct 1 ms 4952 KB Output is correct
14 Correct 1 ms 4952 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 1 ms 4952 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 1 ms 4952 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 4952 KB Output is correct
21 Correct 1 ms 4952 KB Output is correct
22 Correct 1 ms 4952 KB Output is correct
23 Correct 1 ms 4952 KB Output is correct
24 Correct 1 ms 4956 KB Output is correct
25 Correct 1 ms 4952 KB Output is correct
26 Correct 1 ms 4952 KB Output is correct
27 Correct 1 ms 4952 KB Output is correct
28 Correct 1 ms 4952 KB Output is correct
29 Correct 4 ms 4952 KB Output is correct
30 Correct 1 ms 4952 KB Output is correct
31 Correct 1 ms 4952 KB Output is correct
32 Correct 1 ms 4952 KB Output is correct
33 Correct 1 ms 4952 KB Output is correct
34 Correct 1 ms 4952 KB Output is correct
35 Correct 1 ms 4952 KB Output is correct
36 Correct 1 ms 4952 KB Output is correct
37 Correct 1 ms 4952 KB Output is correct
38 Correct 1 ms 4952 KB Output is correct
39 Correct 34 ms 13904 KB Output is correct
40 Correct 34 ms 13504 KB Output is correct
41 Correct 23 ms 12632 KB Output is correct
42 Correct 5 ms 6232 KB Output is correct
43 Correct 1 ms 4952 KB Output is correct
44 Correct 2 ms 4956 KB Output is correct
45 Correct 1 ms 4952 KB Output is correct
46 Correct 1 ms 4952 KB Output is correct
47 Correct 1 ms 4956 KB Output is correct
48 Correct 1 ms 4952 KB Output is correct
49 Correct 1 ms 4952 KB Output is correct
50 Correct 2 ms 4956 KB Output is correct
51 Correct 1 ms 4952 KB Output is correct
52 Correct 1 ms 4952 KB Output is correct
53 Correct 1 ms 5208 KB Output is correct
54 Correct 1 ms 4952 KB Output is correct
55 Correct 1 ms 5156 KB Output is correct
56 Correct 2 ms 4952 KB Output is correct
57 Correct 44 ms 10320 KB Output is correct
58 Correct 43 ms 10452 KB Output is correct
59 Correct 55 ms 10576 KB Output is correct
60 Correct 40 ms 10312 KB Output is correct
61 Correct 39 ms 10320 KB Output is correct
62 Correct 41 ms 10480 KB Output is correct
63 Correct 52 ms 10084 KB Output is correct
64 Correct 38 ms 10064 KB Output is correct
65 Correct 39 ms 10320 KB Output is correct
66 Correct 40 ms 10328 KB Output is correct
67 Correct 57 ms 10576 KB Output is correct
68 Correct 50 ms 10320 KB Output is correct
69 Correct 42 ms 10576 KB Output is correct
70 Correct 42 ms 10576 KB Output is correct
71 Correct 1 ms 4952 KB Output is correct
72 Correct 2 ms 4952 KB Output is correct
73 Correct 2 ms 5036 KB Output is correct
74 Correct 2 ms 4956 KB Output is correct
75 Correct 2 ms 4952 KB Output is correct
76 Correct 2 ms 4956 KB Output is correct
77 Correct 2 ms 4952 KB Output is correct
78 Correct 2 ms 4952 KB Output is correct
79 Correct 2 ms 4952 KB Output is correct
80 Correct 42 ms 10320 KB Output is correct
81 Correct 53 ms 10320 KB Output is correct
82 Correct 38 ms 10328 KB Output is correct
83 Correct 44 ms 10348 KB Output is correct
84 Correct 2 ms 4952 KB Output is correct
85 Correct 2 ms 4952 KB Output is correct
86 Correct 2 ms 4952 KB Output is correct
87 Correct 2 ms 4952 KB Output is correct
88 Correct 2 ms 4952 KB Output is correct
89 Correct 2 ms 4960 KB Output is correct
90 Correct 3 ms 4952 KB Output is correct
91 Correct 2 ms 4952 KB Output is correct
92 Correct 2 ms 4952 KB Output is correct
93 Correct 2 ms 4952 KB Output is correct
94 Correct 1 ms 4952 KB Output is correct
95 Correct 1 ms 4952 KB Output is correct
96 Correct 1 ms 4952 KB Output is correct
97 Correct 1 ms 4952 KB Output is correct
98 Correct 1 ms 4952 KB Output is correct
99 Correct 1 ms 4952 KB Output is correct
100 Correct 1 ms 4952 KB Output is correct
101 Correct 1 ms 4952 KB Output is correct
102 Correct 1 ms 4952 KB Output is correct
103 Correct 1 ms 4952 KB Output is correct
104 Correct 5 ms 5464 KB Output is correct
105 Correct 9 ms 7000 KB Output is correct
106 Correct 1 ms 4952 KB Output is correct
107 Correct 16 ms 8536 KB Output is correct
108 Correct 26 ms 10832 KB Output is correct
109 Correct 1 ms 4952 KB Output is correct
110 Correct 32 ms 11344 KB Output is correct
111 Correct 38 ms 12628 KB Output is correct
112 Correct 1 ms 4952 KB Output is correct
113 Correct 53 ms 19024 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 7388 KB Output is correct
2 Incorrect 22 ms 7384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4952 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 1 ms 4952 KB Output is correct
5 Correct 1 ms 4952 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4952 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 1 ms 4952 KB Output is correct
10 Correct 1 ms 4952 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 1 ms 4952 KB Output is correct
13 Correct 1 ms 4952 KB Output is correct
14 Correct 1 ms 4952 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 4 ms 4952 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 1 ms 4952 KB Output is correct
19 Correct 1 ms 4952 KB Output is correct
20 Correct 1 ms 4952 KB Output is correct
21 Correct 1 ms 4952 KB Output is correct
22 Correct 1 ms 4952 KB Output is correct
23 Correct 1 ms 4952 KB Output is correct
24 Correct 1 ms 4952 KB Output is correct
25 Correct 1 ms 4952 KB Output is correct
26 Correct 1 ms 4952 KB Output is correct
27 Correct 2 ms 5208 KB Output is correct
28 Correct 2 ms 4952 KB Output is correct
29 Incorrect 1 ms 4956 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 12624 KB Output is correct
2 Correct 38 ms 12288 KB Output is correct
3 Correct 27 ms 11600 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 6 ms 5720 KB Output is correct
6 Correct 9 ms 6488 KB Output is correct
7 Correct 2 ms 4952 KB Output is correct
8 Correct 17 ms 8024 KB Output is correct
9 Correct 21 ms 10328 KB Output is correct
10 Correct 1 ms 4952 KB Output is correct
11 Correct 31 ms 10328 KB Output is correct
12 Correct 35 ms 11344 KB Output is correct
13 Correct 1 ms 4952 KB Output is correct
14 Correct 1 ms 4952 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 1 ms 4952 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 1 ms 4952 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 4952 KB Output is correct
21 Correct 1 ms 4952 KB Output is correct
22 Correct 1 ms 4952 KB Output is correct
23 Correct 1 ms 4952 KB Output is correct
24 Correct 1 ms 4956 KB Output is correct
25 Correct 1 ms 4952 KB Output is correct
26 Correct 1 ms 4952 KB Output is correct
27 Correct 1 ms 4952 KB Output is correct
28 Correct 1 ms 4952 KB Output is correct
29 Correct 4 ms 4952 KB Output is correct
30 Correct 1 ms 4952 KB Output is correct
31 Correct 1 ms 4952 KB Output is correct
32 Correct 1 ms 4952 KB Output is correct
33 Correct 1 ms 4952 KB Output is correct
34 Correct 1 ms 4952 KB Output is correct
35 Correct 1 ms 4952 KB Output is correct
36 Correct 1 ms 4952 KB Output is correct
37 Correct 1 ms 4952 KB Output is correct
38 Correct 1 ms 4952 KB Output is correct
39 Correct 34 ms 13904 KB Output is correct
40 Correct 34 ms 13504 KB Output is correct
41 Correct 23 ms 12632 KB Output is correct
42 Correct 5 ms 6232 KB Output is correct
43 Correct 1 ms 4952 KB Output is correct
44 Correct 2 ms 4956 KB Output is correct
45 Correct 1 ms 4952 KB Output is correct
46 Correct 1 ms 4952 KB Output is correct
47 Correct 1 ms 4956 KB Output is correct
48 Correct 1 ms 4952 KB Output is correct
49 Correct 1 ms 4952 KB Output is correct
50 Correct 2 ms 4956 KB Output is correct
51 Correct 1 ms 4952 KB Output is correct
52 Correct 1 ms 4952 KB Output is correct
53 Correct 1 ms 5208 KB Output is correct
54 Correct 1 ms 4952 KB Output is correct
55 Correct 1 ms 5156 KB Output is correct
56 Correct 2 ms 4952 KB Output is correct
57 Correct 44 ms 10320 KB Output is correct
58 Correct 43 ms 10452 KB Output is correct
59 Correct 55 ms 10576 KB Output is correct
60 Correct 40 ms 10312 KB Output is correct
61 Correct 39 ms 10320 KB Output is correct
62 Correct 41 ms 10480 KB Output is correct
63 Correct 52 ms 10084 KB Output is correct
64 Correct 38 ms 10064 KB Output is correct
65 Correct 39 ms 10320 KB Output is correct
66 Correct 40 ms 10328 KB Output is correct
67 Correct 57 ms 10576 KB Output is correct
68 Correct 50 ms 10320 KB Output is correct
69 Correct 42 ms 10576 KB Output is correct
70 Correct 42 ms 10576 KB Output is correct
71 Correct 1 ms 4952 KB Output is correct
72 Correct 2 ms 4952 KB Output is correct
73 Correct 2 ms 5036 KB Output is correct
74 Correct 2 ms 4956 KB Output is correct
75 Correct 2 ms 4952 KB Output is correct
76 Correct 2 ms 4956 KB Output is correct
77 Correct 2 ms 4952 KB Output is correct
78 Correct 2 ms 4952 KB Output is correct
79 Correct 2 ms 4952 KB Output is correct
80 Correct 42 ms 10320 KB Output is correct
81 Correct 53 ms 10320 KB Output is correct
82 Correct 38 ms 10328 KB Output is correct
83 Correct 44 ms 10348 KB Output is correct
84 Correct 2 ms 4952 KB Output is correct
85 Correct 2 ms 4952 KB Output is correct
86 Correct 2 ms 4952 KB Output is correct
87 Correct 2 ms 4952 KB Output is correct
88 Correct 2 ms 4952 KB Output is correct
89 Correct 2 ms 4960 KB Output is correct
90 Correct 3 ms 4952 KB Output is correct
91 Correct 2 ms 4952 KB Output is correct
92 Correct 2 ms 4952 KB Output is correct
93 Correct 2 ms 4952 KB Output is correct
94 Correct 1 ms 4952 KB Output is correct
95 Correct 1 ms 4952 KB Output is correct
96 Correct 1 ms 4952 KB Output is correct
97 Correct 1 ms 4952 KB Output is correct
98 Correct 1 ms 4952 KB Output is correct
99 Correct 1 ms 4952 KB Output is correct
100 Correct 1 ms 4952 KB Output is correct
101 Correct 1 ms 4952 KB Output is correct
102 Correct 1 ms 4952 KB Output is correct
103 Correct 1 ms 4952 KB Output is correct
104 Correct 5 ms 5464 KB Output is correct
105 Correct 9 ms 7000 KB Output is correct
106 Correct 1 ms 4952 KB Output is correct
107 Correct 16 ms 8536 KB Output is correct
108 Correct 26 ms 10832 KB Output is correct
109 Correct 1 ms 4952 KB Output is correct
110 Correct 32 ms 11344 KB Output is correct
111 Correct 38 ms 12628 KB Output is correct
112 Correct 1 ms 4952 KB Output is correct
113 Correct 53 ms 19024 KB Output is correct
114 Correct 24 ms 7388 KB Output is correct
115 Incorrect 22 ms 7384 KB Output isn't correct
116 Halted 0 ms 0 KB -