oj.uz

Submission #1022009

# Submission time Handle Problem Language Result Execution time Memory
1022009 2024-07-13T08:57:55 Z amine_aroua Dreaming (IOI13_dreaming) C++17
47 / 100
 823 ms 65536 KB 
#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<pair<int ,int>>> adj;

vector<int> center;
vector<bool> vis;
int mx = 0;
int y = 0;
int z = 0;
void dfs1(int x , int p = -1 , int d = 0)
{
    vis[x] = 1;
    if(mx <= d)
    {
        mx = d;
        y = x;
    }
    for(auto [u , c] : adj[x])
    {
        if(u == p)
            continue;
        dfs1(u , x , d + c);
    }
}
vector<pair<int ,int>> par;
void dfs2(int x , int p = -1 , int d = 0)
{
    if(mx <= d)
    {
        mx = d;
        z = x;
    }
    for(auto [u , c] : adj[x])
    {
        if(u == p)
            continue;
        par[u]= {x , c};
        dfs2(u , x , d + c);
    }
}
int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
    adj.assign(N , {});
    vis.assign(N , 0);
    for(int i = 0 ; i < M; i++)
    {
        adj[A[i]].push_back({B[i] , T[i]});
        adj[B[i]].push_back({A[i] , T[i]});
    }
    par.assign(N , {-1 , -1});
    for(int i = 0 ; i < N ; i++)
    {
        if(!vis[i])
        {
            y = 0;
            mx = 0;
            dfs1(i);
            mx = 0;
            z = 0;
            dfs2(y);
            int sm = 0;
            int mid = z;
            int mn = mx;
            while(par[z].first != -1)
            {
                sm += par[z].second;
                if(abs(mx - 2*sm) <= mn)
                {
                    mid = par[z].first;
                    mn = abs(mx - 2*sm);
                }
                z = par[z].first;
            }
            center.push_back(mid);
        }
    }
    int ans = 0;
    for(int i = 0 ; i < (int)center.size() ; i++)
    {
        auto oadj = adj;
        for(int j = 0 ; j < (int)center.size() ; j++)
        {
            if(i == j)
                continue;
            adj[center[i]].push_back({center[j] ,L});
            adj[center[j]].push_back({center[i] , L});
        }
        y = 0;
        mx = 0;
        vis.assign(N , 0);
        dfs1(0);
        mx = 0;
        z = 0;
        dfs2(y);
        ans = max(ans , mx);
        adj = oadj;
    }
    return ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17232 KB Output is correct
2 Correct 49 ms 17232 KB Output is correct
3 Correct 31 ms 11600 KB Output is correct
4 Correct 6 ms 2904 KB Output is correct
5 Correct 7 ms 1904 KB Output is correct
6 Correct 13 ms 4228 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 27 ms 7184 KB Output is correct
9 Correct 35 ms 9300 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 50 ms 12460 KB Output is correct
12 Correct 54 ms 14708 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 464 KB Output is correct
6 Correct 0 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 448 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 448 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17232 KB Output is correct
2 Correct 49 ms 17232 KB Output is correct
3 Correct 31 ms 11600 KB Output is correct
4 Correct 6 ms 2904 KB Output is correct
5 Correct 7 ms 1904 KB Output is correct
6 Correct 13 ms 4228 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 27 ms 7184 KB Output is correct
9 Correct 35 ms 9300 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 50 ms 12460 KB Output is correct
12 Correct 54 ms 14708 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 464 KB Output is correct
19 Correct 0 ms 444 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 444 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 448 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 448 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 52 ms 17344 KB Output is correct
40 Correct 50 ms 17232 KB Output is correct
41 Correct 31 ms 11600 KB Output is correct
42 Correct 8 ms 2904 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 420 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 600 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 440 KB Output is correct
57 Correct 63 ms 14844 KB Output is correct
58 Correct 68 ms 14928 KB Output is correct
59 Correct 65 ms 15000 KB Output is correct
60 Correct 63 ms 15004 KB Output is correct
61 Correct 58 ms 15148 KB Output is correct
62 Correct 61 ms 15032 KB Output is correct
63 Correct 64 ms 14932 KB Output is correct
64 Correct 55 ms 14928 KB Output is correct
65 Correct 60 ms 15188 KB Output is correct
66 Correct 57 ms 15176 KB Output is correct
67 Correct 60 ms 14932 KB Output is correct
68 Correct 65 ms 14892 KB Output is correct
69 Correct 66 ms 14928 KB Output is correct
70 Correct 66 ms 14940 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 2 ms 860 KB Output is correct
73 Correct 2 ms 860 KB Output is correct
74 Correct 2 ms 860 KB Output is correct
75 Correct 2 ms 860 KB Output is correct
76 Correct 2 ms 856 KB Output is correct
77 Correct 2 ms 1112 KB Output is correct
78 Correct 2 ms 860 KB Output is correct
79 Correct 2 ms 860 KB Output is correct
80 Correct 68 ms 14984 KB Output is correct
81 Correct 72 ms 14772 KB Output is correct
82 Correct 69 ms 15008 KB Output is correct
83 Correct 67 ms 15148 KB Output is correct
84 Correct 1 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 716 KB Output is correct
87 Correct 2 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 2 ms 604 KB Output is correct
90 Correct 2 ms 712 KB Output is correct
91 Correct 2 ms 860 KB Output is correct
92 Correct 2 ms 748 KB Output is correct
93 Correct 2 ms 604 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 1 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 1 ms 344 KB Output is correct
104 Correct 6 ms 1904 KB Output is correct
105 Correct 17 ms 4260 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 42 ms 7160 KB Output is correct
108 Correct 36 ms 9288 KB Output is correct
109 Correct 1 ms 344 KB Output is correct
110 Correct 71 ms 12352 KB Output is correct
111 Correct 57 ms 14788 KB Output is correct
112 Correct 2 ms 468 KB Output is correct
113 Correct 80 ms 19072 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 823 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 464 KB Output is correct
6 Correct 0 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 448 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 448 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 12 ms 796 KB Output is correct
27 Correct 41 ms 2000 KB Output is correct
28 Correct 101 ms 2644 KB Output is correct
29 Incorrect 10 ms 860 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17232 KB Output is correct
2 Correct 49 ms 17232 KB Output is correct
3 Correct 31 ms 11600 KB Output is correct
4 Correct 6 ms 2904 KB Output is correct
5 Correct 7 ms 1904 KB Output is correct
6 Correct 13 ms 4228 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 27 ms 7184 KB Output is correct
9 Correct 35 ms 9300 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 50 ms 12460 KB Output is correct
12 Correct 54 ms 14708 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 464 KB Output is correct
19 Correct 0 ms 444 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 444 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 448 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 448 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 52 ms 17344 KB Output is correct
40 Correct 50 ms 17232 KB Output is correct
41 Correct 31 ms 11600 KB Output is correct
42 Correct 8 ms 2904 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 420 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 600 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 440 KB Output is correct
57 Correct 63 ms 14844 KB Output is correct
58 Correct 68 ms 14928 KB Output is correct
59 Correct 65 ms 15000 KB Output is correct
60 Correct 63 ms 15004 KB Output is correct
61 Correct 58 ms 15148 KB Output is correct
62 Correct 61 ms 15032 KB Output is correct
63 Correct 64 ms 14932 KB Output is correct
64 Correct 55 ms 14928 KB Output is correct
65 Correct 60 ms 15188 KB Output is correct
66 Correct 57 ms 15176 KB Output is correct
67 Correct 60 ms 14932 KB Output is correct
68 Correct 65 ms 14892 KB Output is correct
69 Correct 66 ms 14928 KB Output is correct
70 Correct 66 ms 14940 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 2 ms 860 KB Output is correct
73 Correct 2 ms 860 KB Output is correct
74 Correct 2 ms 860 KB Output is correct
75 Correct 2 ms 860 KB Output is correct
76 Correct 2 ms 856 KB Output is correct
77 Correct 2 ms 1112 KB Output is correct
78 Correct 2 ms 860 KB Output is correct
79 Correct 2 ms 860 KB Output is correct
80 Correct 68 ms 14984 KB Output is correct
81 Correct 72 ms 14772 KB Output is correct
82 Correct 69 ms 15008 KB Output is correct
83 Correct 67 ms 15148 KB Output is correct
84 Correct 1 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 716 KB Output is correct
87 Correct 2 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 2 ms 604 KB Output is correct
90 Correct 2 ms 712 KB Output is correct
91 Correct 2 ms 860 KB Output is correct
92 Correct 2 ms 748 KB Output is correct
93 Correct 2 ms 604 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 1 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 1 ms 344 KB Output is correct
104 Correct 6 ms 1904 KB Output is correct
105 Correct 17 ms 4260 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 42 ms 7160 KB Output is correct
108 Correct 36 ms 9288 KB Output is correct
109 Correct 1 ms 344 KB Output is correct
110 Correct 71 ms 12352 KB Output is correct
111 Correct 57 ms 14788 KB Output is correct
112 Correct 2 ms 468 KB Output is correct
113 Correct 80 ms 19072 KB Output is correct
114 Runtime error 823 ms 65536 KB Execution killed with signal 9
115 Halted 0 ms 0 KB -