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Submission #498726

# Submission time Handle Problem Language Result Execution time Memory
498726 2021-12-26T09:11:52 Z Kipras Cheap flights (LMIO18_pigus_skrydziai) C++14
53 / 100
 417 ms 75956 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()-1;
    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 13 ms 23756 KB Output is correct
2 Correct 13 ms 23780 KB Output is correct
3 Correct 14 ms 23756 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 12 ms 23800 KB Output is correct
6 Correct 18 ms 25592 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 14 ms 23892 KB Output is correct
9 Correct 12 ms 23756 KB Output is correct
10 Correct 13 ms 23804 KB Output is correct
11 Correct 12 ms 23756 KB Output is correct
12 Correct 12 ms 23756 KB Output is correct
13 Correct 12 ms 23788 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 14 ms 23672 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23944 KB Output is correct
20 Correct 12 ms 23804 KB Output is correct
21 Correct 12 ms 23736 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 13 ms 23780 KB Output is correct
3 Correct 14 ms 23756 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 12 ms 23800 KB Output is correct
6 Correct 18 ms 25592 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 14 ms 23892 KB Output is correct
9 Correct 12 ms 23756 KB Output is correct
10 Correct 13 ms 23804 KB Output is correct
11 Correct 12 ms 23756 KB Output is correct
12 Correct 12 ms 23756 KB Output is correct
13 Correct 12 ms 23788 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 14 ms 23672 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23944 KB Output is correct
20 Correct 12 ms 23804 KB Output is correct
21 Correct 12 ms 23736 KB Output is correct
22 Correct 413 ms 75956 KB Output is correct
23 Correct 214 ms 64920 KB Output is correct
24 Correct 26 ms 26084 KB Output is correct
25 Correct 16 ms 24388 KB Output is correct
26 Correct 16 ms 24448 KB Output is correct
27 Correct 13 ms 24068 KB Output is correct
28 Correct 104 ms 44740 KB Output is correct
29 Correct 58 ms 32100 KB Output is correct
30 Correct 88 ms 34600 KB Output is correct
31 Correct 13 ms 23808 KB Output is correct
32 Correct 12 ms 23756 KB Output is correct
33 Correct 211 ms 72304 KB Output is correct
34 Correct 158 ms 67016 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 142 ms 42460 KB Output is correct
2 Correct 371 ms 53996 KB Output is correct
3 Correct 123 ms 33988 KB Output is correct
4 Correct 222 ms 46704 KB Output is correct
5 Correct 417 ms 59248 KB Output is correct
6 Correct 55 ms 33092 KB Output is correct
7 Correct 119 ms 51704 KB Output is correct
8 Correct 128 ms 56368 KB Output is correct
9 Correct 19 ms 23884 KB Output is correct
10 Correct 59 ms 33136 KB Output is correct
11 Correct 126 ms 54420 KB Output is correct
12 Correct 87 ms 42436 KB Output is correct
13 Correct 13 ms 23780 KB Output is correct
14 Correct 86 ms 33620 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 142 ms 42460 KB Output is correct
2 Correct 371 ms 53996 KB Output is correct
3 Correct 123 ms 33988 KB Output is correct
4 Correct 222 ms 46704 KB Output is correct
5 Correct 417 ms 59248 KB Output is correct
6 Correct 55 ms 33092 KB Output is correct
7 Correct 119 ms 51704 KB Output is correct
8 Correct 128 ms 56368 KB Output is correct
9 Correct 19 ms 23884 KB Output is correct
10 Correct 59 ms 33136 KB Output is correct
11 Correct 126 ms 54420 KB Output is correct
12 Correct 87 ms 42436 KB Output is correct
13 Correct 13 ms 23780 KB Output is correct
14 Correct 86 ms 33620 KB Output is correct
15 Correct 13 ms 23756 KB Output is correct
16 Correct 13 ms 23780 KB Output is correct
17 Correct 14 ms 23756 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 12 ms 23800 KB Output is correct
20 Correct 18 ms 25592 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 14 ms 23892 KB Output is correct
23 Correct 12 ms 23756 KB Output is correct
24 Correct 13 ms 23804 KB Output is correct
25 Correct 12 ms 23756 KB Output is correct
26 Correct 12 ms 23756 KB Output is correct
27 Correct 12 ms 23788 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 12 ms 23800 KB Output is correct
30 Correct 14 ms 23672 KB Output is correct
31 Correct 13 ms 23756 KB Output is correct
32 Correct 14 ms 23804 KB Output is correct
33 Correct 13 ms 23944 KB Output is correct
34 Correct 12 ms 23804 KB Output is correct
35 Correct 12 ms 23736 KB Output is correct
36 Correct 413 ms 75956 KB Output is correct
37 Correct 214 ms 64920 KB Output is correct
38 Correct 26 ms 26084 KB Output is correct
39 Correct 16 ms 24388 KB Output is correct
40 Correct 16 ms 24448 KB Output is correct
41 Correct 13 ms 24068 KB Output is correct
42 Correct 104 ms 44740 KB Output is correct
43 Correct 58 ms 32100 KB Output is correct
44 Correct 88 ms 34600 KB Output is correct
45 Correct 13 ms 23808 KB Output is correct
46 Correct 12 ms 23756 KB Output is correct
47 Correct 211 ms 72304 KB Output is correct
48 Correct 158 ms 67016 KB Output is correct
49 Correct 165 ms 44512 KB Output is correct
50 Correct 135 ms 43620 KB Output is correct
51 Correct 184 ms 45248 KB Output is correct
52 Correct 205 ms 48384 KB Output is correct
53 Correct 93 ms 34988 KB Output is correct
54 Correct 170 ms 61936 KB Output is correct
55 Correct 367 ms 61140 KB Output is correct
56 Correct 235 ms 48452 KB Output is correct
57 Correct 237 ms 51660 KB Output is correct
58 Correct 149 ms 38260 KB Output is correct
59 Correct 291 ms 57140 KB Output is correct
60 Correct 213 ms 52792 KB Output is correct
61 Incorrect 219 ms 51060 KB Output isn't correct