답안 #1087159

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1087159	2024-09-12T09:00:29 Z	MateiKing80	꿈 (IOI13_dreaming)	C++14	32 / 100	31 ms	14032 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>

using namespace std;

using pii = pair<int, int>;

#define all(a) (a).begin(), (a).end()
#define pb push_back
#define fr first
#define sc second

vector<int> a, b, t, dp;
vector<pii> vec[100000];
vector<bool> f;

int dfs1(int nod, int papa)
{
    f[nod] = true;
    int doi = 0;
    for(auto i : vec[nod])
        if(i.fr != papa)
        {
            dfs1(i.fr, nod);
            if(dp[nod] <= i.sc + dp[i.fr])
                doi = dp[nod], dp[nod] = i.sc + dp[i.fr];
            else
                doi = max(doi, i.sc + dp[i.fr]);
        }
    return dp[nod] + doi;
}

int dfs2(int nod, int papa, int desus = 0)
{
    int ans = desus, doi = 0;
    for(auto i : vec[nod])
        if(i.fr != papa)
        {
            if(ans <= i.sc + dp[i.fr])
                doi = ans, ans = i.sc + dp[i.fr];
            else
                doi = max(doi, i.sc + dp[i.fr]);
        }
    int rasp = ans;
    for(auto i : vec[nod])
        if(i.fr != papa)
        {
            if(ans == i.sc + dp[i.fr])
                rasp = min(rasp, dfs2(i.fr, nod, doi + i.sc));
            else
                rasp = min(rasp, dfs2(i.fr, nod, ans + i.sc));
        }
    return rasp;
}

int travelTime(int n, int m, int l, int A[], int B[], int T[])
{
    for(int i = 0; i < m; i ++)
        a.pb(A[i]);
    for(int i = 0; i < m; i ++)
        b.pb(B[i]);
    for(int i = 0; i < m; i ++)
        t.pb(T[i]);
    for(int i = 0; i < m; i ++)
        vec[a[i]].pb({b[i], t[i]}), vec[b[i]].pb({a[i], t[i]});
    f.resize(n, false);
    dp.resize(n, 0);
    vector<int> vals, diams;
    for(int i = 0; i < n; i ++)
        if(!f[i])
            diams.pb(dfs1(i, -1)), vals.pb(dfs2(i, -1));
    sort(all(vals), [&](int a, int b){return a > b;});
    sort(all(diams), [&](int a, int b){return a > b;});
    int ans = 0;
    if(vals.size() >= 2)
        ans = vals[0] + vals[1] + l;
    if(vals.size() >= 3)
        ans = max(ans, vals[1] + vals[2] + 2 * l);
    ans = max(ans, diams[0]);
    return ans;
}
/*
int main()
{
    int N, M, L, A[5000], B[5000], T[5000];
    cin >> N >> M >> L;
    for(int i = 0; i < M; i ++)
        cin >> A[i];
    for(int i = 0; i < M; i ++)
        cin >> B[i];
    for(int i = 0; i < M; i ++)
        cin >> T[i];
    cout << travelTime(N, M, L, A, B, T);
}
*/

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	14032 KB	Output is correct
2	Correct	29 ms	13536 KB	Output is correct
3	Correct	22 ms	12000 KB	Output is correct
4	Correct	5 ms	4444 KB	Output is correct
5	Correct	5 ms	3800 KB	Output is correct
6	Correct	9 ms	5120 KB	Output is correct
7	Correct	1 ms	2648 KB	Output is correct
8	Correct	16 ms	7488 KB	Output is correct
9	Correct	21 ms	9944 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	28 ms	10988 KB	Output is correct
12	Correct	31 ms	12320 KB	Output is correct
13	Correct	2 ms	2904 KB	Output is correct

Subtask #2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2812 KB	Output is correct
3	Correct	1 ms	2652 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	1 ms	2788 KB	Output is correct
6	Correct	1 ms	2652 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Incorrect	1 ms	2652 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	14032 KB	Output is correct
2	Correct	29 ms	13536 KB	Output is correct
3	Correct	22 ms	12000 KB	Output is correct
4	Correct	5 ms	4444 KB	Output is correct
5	Correct	5 ms	3800 KB	Output is correct
6	Correct	9 ms	5120 KB	Output is correct
7	Correct	1 ms	2648 KB	Output is correct
8	Correct	16 ms	7488 KB	Output is correct
9	Correct	21 ms	9944 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	28 ms	10988 KB	Output is correct
12	Correct	31 ms	12320 KB	Output is correct
13	Correct	2 ms	2904 KB	Output is correct
14	Correct	1 ms	2648 KB	Output is correct
15	Correct	1 ms	2812 KB	Output is correct
16	Correct	1 ms	2652 KB	Output is correct
17	Correct	1 ms	2648 KB	Output is correct
18	Correct	1 ms	2788 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	Incorrect	1 ms	2652 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	6792 KB	Output is correct
2	Correct	15 ms	6872 KB	Output is correct
3	Correct	15 ms	7048 KB	Output is correct
4	Correct	14 ms	6792 KB	Output is correct
5	Correct	14 ms	6792 KB	Output is correct
6	Correct	17 ms	7432 KB	Output is correct
7	Correct	20 ms	7124 KB	Output is correct
8	Correct	15 ms	6872 KB	Output is correct
9	Correct	17 ms	6868 KB	Output is correct
10	Correct	17 ms	7128 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	5 ms	3976 KB	Output is correct
13	Correct	5 ms	4056 KB	Output is correct
14	Correct	5 ms	3976 KB	Output is correct
15	Correct	5 ms	3972 KB	Output is correct
16	Correct	5 ms	3976 KB	Output is correct
17	Correct	5 ms	4116 KB	Output is correct
18	Correct	6 ms	4056 KB	Output is correct
19	Correct	5 ms	3976 KB	Output is correct
20	Correct	1 ms	2664 KB	Output is correct
21	Correct	1 ms	2652 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	5 ms	4116 KB	Output is correct

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2812 KB	Output is correct
3	Correct	1 ms	2652 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	1 ms	2788 KB	Output is correct
6	Correct	1 ms	2652 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Incorrect	1 ms	2652 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	14032 KB	Output is correct
2	Correct	29 ms	13536 KB	Output is correct
3	Correct	22 ms	12000 KB	Output is correct
4	Correct	5 ms	4444 KB	Output is correct
5	Correct	5 ms	3800 KB	Output is correct
6	Correct	9 ms	5120 KB	Output is correct
7	Correct	1 ms	2648 KB	Output is correct
8	Correct	16 ms	7488 KB	Output is correct
9	Correct	21 ms	9944 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	28 ms	10988 KB	Output is correct
12	Correct	31 ms	12320 KB	Output is correct
13	Correct	2 ms	2904 KB	Output is correct
14	Correct	1 ms	2648 KB	Output is correct
15	Correct	1 ms	2812 KB	Output is correct
16	Correct	1 ms	2652 KB	Output is correct
17	Correct	1 ms	2648 KB	Output is correct
18	Correct	1 ms	2788 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	Incorrect	1 ms	2652 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

답안 #1087159

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 0 / 10.0

Subtask #3 0 / 23.0

Subtask #4 18.0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
0 / 10.0

Subtask #3
0 / 23.0

Subtask #4
18.0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0