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Submission #498899

# Submission time Handle Problem Language Result Execution time Memory
498899 2021-12-26T14:20:21 Z Kipras Cheap flights (LMIO18_pigus_skrydziai) C++14
53 / 100
 405 ms 67476 KB 
#include <bits/stdc++.h>

typedef long long ll;
using namespace std;

const ll maxN = (1e5*5)+10;

ll n, m;
vector<pair<ll, ll>> adj[maxN];
vector<pair<ll, ll>> adjFast[maxN];

ll findVal(ll v, ll v1){
    ll l = 0, h = adjFast[v1].size();
    while(l<h){
        ll mid = l+((h-l)/2);
        if(adjFast[v1][mid].first==v)return adjFast[v1][mid].second;
        else if(adjFast[v1][mid].first<v)l=mid+1;
        else h=mid-1;
    }
    return -1;
}

int main()
{

    ios_base::sync_with_stdio(0);cin.tie(nullptr);

    cin>>n>>m;
    for(ll i = 0; i < m; i++){
        ll a, b, c;
        cin>>a>>b>>c;
        adj[a].push_back({b, c});
        adj[b].push_back({a, c});
        adjFast[a].push_back({b, c});
        adjFast[b].push_back({a, c});
    }

    for(ll i = 1; i <= n; i++)sort(adjFast[i].begin(), adjFast[i].end());

    ll ans=0;

    for(ll i = 1; i <= n; i++){
        ll temp=0;
        for(auto x : adj[i]){
            temp+=x.second;
        }
        for(ll x = 0; x < (ll)(adj[i].size())-1; x++){
            ll val=-1;
            ll v1=adj[i][x].first, v2=adj[i][x+1].first;
            val = findVal(v2, v1);
            if(val==-1)continue;
            temp=max(temp, adj[i][x].second+adj[i][x+1].second+val);
        }

        ans=max(ans, temp);
    }

    cout<<ans;

    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB Output is correct
2 Correct 15 ms 23756 KB Output is correct
3 Correct 12 ms 23668 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 22 ms 25356 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 14 ms 23692 KB Output is correct
9 Correct 14 ms 23756 KB Output is correct
10 Correct 15 ms 23740 KB Output is correct
11 Correct 14 ms 23776 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23772 KB Output is correct
16 Correct 12 ms 23756 KB Output is correct
17 Correct 12 ms 23804 KB Output is correct
18 Correct 16 ms 23884 KB Output is correct
19 Correct 19 ms 23900 KB Output is correct
20 Correct 14 ms 23776 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB Output is correct
2 Correct 15 ms 23756 KB Output is correct
3 Correct 12 ms 23668 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 22 ms 25356 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 14 ms 23692 KB Output is correct
9 Correct 14 ms 23756 KB Output is correct
10 Correct 15 ms 23740 KB Output is correct
11 Correct 14 ms 23776 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23772 KB Output is correct
16 Correct 12 ms 23756 KB Output is correct
17 Correct 12 ms 23804 KB Output is correct
18 Correct 16 ms 23884 KB Output is correct
19 Correct 19 ms 23900 KB Output is correct
20 Correct 14 ms 23776 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 372 ms 67476 KB Output is correct
23 Correct 281 ms 56288 KB Output is correct
24 Correct 24 ms 25836 KB Output is correct
25 Correct 16 ms 24344 KB Output is correct
26 Correct 17 ms 24400 KB Output is correct
27 Correct 13 ms 24012 KB Output is correct
28 Correct 105 ms 41256 KB Output is correct
29 Correct 65 ms 31016 KB Output is correct
30 Correct 85 ms 32492 KB Output is correct
31 Correct 13 ms 23884 KB Output is correct
32 Correct 13 ms 23800 KB Output is correct
33 Correct 200 ms 64240 KB Output is correct
34 Correct 200 ms 61888 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 139 ms 42444 KB Output is correct
2 Correct 376 ms 54004 KB Output is correct
3 Correct 93 ms 33896 KB Output is correct
4 Correct 226 ms 43800 KB Output is correct
5 Correct 404 ms 54724 KB Output is correct
6 Correct 92 ms 31920 KB Output is correct
7 Correct 131 ms 47792 KB Output is correct
8 Correct 128 ms 51884 KB Output is correct
9 Correct 16 ms 23864 KB Output is correct
10 Correct 55 ms 31948 KB Output is correct
11 Correct 126 ms 51412 KB Output is correct
12 Correct 93 ms 39908 KB Output is correct
13 Correct 12 ms 23756 KB Output is correct
14 Correct 66 ms 32708 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 139 ms 42444 KB Output is correct
2 Correct 376 ms 54004 KB Output is correct
3 Correct 93 ms 33896 KB Output is correct
4 Correct 226 ms 43800 KB Output is correct
5 Correct 404 ms 54724 KB Output is correct
6 Correct 92 ms 31920 KB Output is correct
7 Correct 131 ms 47792 KB Output is correct
8 Correct 128 ms 51884 KB Output is correct
9 Correct 16 ms 23864 KB Output is correct
10 Correct 55 ms 31948 KB Output is correct
11 Correct 126 ms 51412 KB Output is correct
12 Correct 93 ms 39908 KB Output is correct
13 Correct 12 ms 23756 KB Output is correct
14 Correct 66 ms 32708 KB Output is correct
15 Correct 12 ms 23756 KB Output is correct
16 Correct 15 ms 23756 KB Output is correct
17 Correct 12 ms 23668 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 14 ms 23756 KB Output is correct
20 Correct 22 ms 25356 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 14 ms 23692 KB Output is correct
23 Correct 14 ms 23756 KB Output is correct
24 Correct 15 ms 23740 KB Output is correct
25 Correct 14 ms 23776 KB Output is correct
26 Correct 14 ms 23824 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 12 ms 23756 KB Output is correct
29 Correct 13 ms 23772 KB Output is correct
30 Correct 12 ms 23756 KB Output is correct
31 Correct 12 ms 23804 KB Output is correct
32 Correct 16 ms 23884 KB Output is correct
33 Correct 19 ms 23900 KB Output is correct
34 Correct 14 ms 23776 KB Output is correct
35 Correct 13 ms 23756 KB Output is correct
36 Correct 372 ms 67476 KB Output is correct
37 Correct 281 ms 56288 KB Output is correct
38 Correct 24 ms 25836 KB Output is correct
39 Correct 16 ms 24344 KB Output is correct
40 Correct 17 ms 24400 KB Output is correct
41 Correct 13 ms 24012 KB Output is correct
42 Correct 105 ms 41256 KB Output is correct
43 Correct 65 ms 31016 KB Output is correct
44 Correct 85 ms 32492 KB Output is correct
45 Correct 13 ms 23884 KB Output is correct
46 Correct 13 ms 23800 KB Output is correct
47 Correct 200 ms 64240 KB Output is correct
48 Correct 200 ms 61888 KB Output is correct
49 Correct 203 ms 41988 KB Output is correct
50 Correct 129 ms 39824 KB Output is correct
51 Correct 173 ms 41236 KB Output is correct
52 Correct 262 ms 43528 KB Output is correct
53 Correct 91 ms 33108 KB Output is correct
54 Correct 180 ms 56568 KB Output is correct
55 Correct 405 ms 54052 KB Output is correct
56 Correct 235 ms 43904 KB Output is correct
57 Correct 280 ms 47260 KB Output is correct
58 Correct 123 ms 36880 KB Output is correct
59 Correct 343 ms 52160 KB Output is correct
60 Correct 221 ms 49412 KB Output is correct
61 Incorrect 171 ms 47784 KB Output isn't correct