#include<bits/stdc++.h>
#include<fstream>
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
//ifstream fin("FEEDING.INP");
//ofstream fout("FEEDING.OUT");
#define sz(a) (int)a.size()
#define int long long
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ll mxn = 3e5 + 5, base = 972663749;
const ll mod = 911382323, inf = 1e9;
int n, m;
vt<pll>g[mxn + 1], adj[mxn + 1];
ll cost[mxn + 1];
signed main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
forr(i, 0, m){
ll u, v, w; cin >> u >> v >> w;
adj[u].pb({v, w}); adj[v].pb({u, w}); cost[u] += w; cost[v] += w;
g[u].pb({w, v}); g[v].pb({w, u});
}
for(int u = 1; u <= n; u++){
sort(adj[u].begin(), adj[u].end());
sort(g[u].rbegin(), g[u].rend());
}
ll ans = 0;
for(int i = 1; i <= n; i++){
ans = max(ans, cost[i]);
if(sz(g[i]) < 2)continue;
int u = g[i][0].se, v = g[i][1].se;
int id = lower_bound(adj[u].begin(), adj[u].end(), make_pair(v, (ll)-1)) - adj[u].begin();
if(id != sz(adj[u]) && adj[u][id].fi == v){
ans = max(ans, g[i][0].fi + g[i][1].fi + adj[u][id].se);
}
}
cout << ans;
return(0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14420 KB |
Output is correct |
2 |
Correct |
9 ms |
14412 KB |
Output is correct |
3 |
Correct |
7 ms |
14420 KB |
Output is correct |
4 |
Correct |
7 ms |
14404 KB |
Output is correct |
5 |
Correct |
8 ms |
14412 KB |
Output is correct |
6 |
Correct |
15 ms |
16220 KB |
Output is correct |
7 |
Correct |
7 ms |
14420 KB |
Output is correct |
8 |
Correct |
7 ms |
14420 KB |
Output is correct |
9 |
Correct |
7 ms |
14352 KB |
Output is correct |
10 |
Correct |
8 ms |
14308 KB |
Output is correct |
11 |
Correct |
11 ms |
14420 KB |
Output is correct |
12 |
Correct |
7 ms |
14412 KB |
Output is correct |
13 |
Correct |
7 ms |
14416 KB |
Output is correct |
14 |
Correct |
7 ms |
14360 KB |
Output is correct |
15 |
Correct |
6 ms |
14320 KB |
Output is correct |
16 |
Correct |
6 ms |
14412 KB |
Output is correct |
17 |
Correct |
7 ms |
14420 KB |
Output is correct |
18 |
Correct |
9 ms |
14548 KB |
Output is correct |
19 |
Correct |
8 ms |
14556 KB |
Output is correct |
20 |
Correct |
7 ms |
14420 KB |
Output is correct |
21 |
Correct |
7 ms |
14420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14420 KB |
Output is correct |
2 |
Correct |
9 ms |
14412 KB |
Output is correct |
3 |
Correct |
7 ms |
14420 KB |
Output is correct |
4 |
Correct |
7 ms |
14404 KB |
Output is correct |
5 |
Correct |
8 ms |
14412 KB |
Output is correct |
6 |
Correct |
15 ms |
16220 KB |
Output is correct |
7 |
Correct |
7 ms |
14420 KB |
Output is correct |
8 |
Correct |
7 ms |
14420 KB |
Output is correct |
9 |
Correct |
7 ms |
14352 KB |
Output is correct |
10 |
Correct |
8 ms |
14308 KB |
Output is correct |
11 |
Correct |
11 ms |
14420 KB |
Output is correct |
12 |
Correct |
7 ms |
14412 KB |
Output is correct |
13 |
Correct |
7 ms |
14416 KB |
Output is correct |
14 |
Correct |
7 ms |
14360 KB |
Output is correct |
15 |
Correct |
6 ms |
14320 KB |
Output is correct |
16 |
Correct |
6 ms |
14412 KB |
Output is correct |
17 |
Correct |
7 ms |
14420 KB |
Output is correct |
18 |
Correct |
9 ms |
14548 KB |
Output is correct |
19 |
Correct |
8 ms |
14556 KB |
Output is correct |
20 |
Correct |
7 ms |
14420 KB |
Output is correct |
21 |
Correct |
7 ms |
14420 KB |
Output is correct |
22 |
Correct |
214 ms |
66612 KB |
Output is correct |
23 |
Correct |
167 ms |
55484 KB |
Output is correct |
24 |
Correct |
17 ms |
16780 KB |
Output is correct |
25 |
Correct |
9 ms |
15060 KB |
Output is correct |
26 |
Correct |
8 ms |
15072 KB |
Output is correct |
27 |
Correct |
8 ms |
14676 KB |
Output is correct |
28 |
Correct |
86 ms |
35384 KB |
Output is correct |
29 |
Correct |
36 ms |
22768 KB |
Output is correct |
30 |
Correct |
52 ms |
25292 KB |
Output is correct |
31 |
Correct |
7 ms |
14432 KB |
Output is correct |
32 |
Correct |
7 ms |
14420 KB |
Output is correct |
33 |
Correct |
165 ms |
62992 KB |
Output is correct |
34 |
Correct |
121 ms |
57732 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
118 ms |
37760 KB |
Output is correct |
2 |
Correct |
296 ms |
51424 KB |
Output is correct |
3 |
Correct |
61 ms |
26680 KB |
Output is correct |
4 |
Correct |
156 ms |
38944 KB |
Output is correct |
5 |
Correct |
343 ms |
51244 KB |
Output is correct |
6 |
Correct |
34 ms |
23752 KB |
Output is correct |
7 |
Correct |
94 ms |
44236 KB |
Output is correct |
8 |
Correct |
113 ms |
49348 KB |
Output is correct |
9 |
Correct |
10 ms |
16728 KB |
Output is correct |
10 |
Correct |
35 ms |
23700 KB |
Output is correct |
11 |
Correct |
97 ms |
46200 KB |
Output is correct |
12 |
Correct |
61 ms |
32932 KB |
Output is correct |
13 |
Correct |
7 ms |
14292 KB |
Output is correct |
14 |
Correct |
41 ms |
24348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
118 ms |
37760 KB |
Output is correct |
2 |
Correct |
296 ms |
51424 KB |
Output is correct |
3 |
Correct |
61 ms |
26680 KB |
Output is correct |
4 |
Correct |
156 ms |
38944 KB |
Output is correct |
5 |
Correct |
343 ms |
51244 KB |
Output is correct |
6 |
Correct |
34 ms |
23752 KB |
Output is correct |
7 |
Correct |
94 ms |
44236 KB |
Output is correct |
8 |
Correct |
113 ms |
49348 KB |
Output is correct |
9 |
Correct |
10 ms |
16728 KB |
Output is correct |
10 |
Correct |
35 ms |
23700 KB |
Output is correct |
11 |
Correct |
97 ms |
46200 KB |
Output is correct |
12 |
Correct |
61 ms |
32932 KB |
Output is correct |
13 |
Correct |
7 ms |
14292 KB |
Output is correct |
14 |
Correct |
41 ms |
24348 KB |
Output is correct |
15 |
Correct |
9 ms |
14420 KB |
Output is correct |
16 |
Correct |
9 ms |
14412 KB |
Output is correct |
17 |
Correct |
7 ms |
14420 KB |
Output is correct |
18 |
Correct |
7 ms |
14404 KB |
Output is correct |
19 |
Correct |
8 ms |
14412 KB |
Output is correct |
20 |
Correct |
15 ms |
16220 KB |
Output is correct |
21 |
Correct |
7 ms |
14420 KB |
Output is correct |
22 |
Correct |
7 ms |
14420 KB |
Output is correct |
23 |
Correct |
7 ms |
14352 KB |
Output is correct |
24 |
Correct |
8 ms |
14308 KB |
Output is correct |
25 |
Correct |
11 ms |
14420 KB |
Output is correct |
26 |
Correct |
7 ms |
14412 KB |
Output is correct |
27 |
Correct |
7 ms |
14416 KB |
Output is correct |
28 |
Correct |
7 ms |
14360 KB |
Output is correct |
29 |
Correct |
6 ms |
14320 KB |
Output is correct |
30 |
Correct |
6 ms |
14412 KB |
Output is correct |
31 |
Correct |
7 ms |
14420 KB |
Output is correct |
32 |
Correct |
9 ms |
14548 KB |
Output is correct |
33 |
Correct |
8 ms |
14556 KB |
Output is correct |
34 |
Correct |
7 ms |
14420 KB |
Output is correct |
35 |
Correct |
7 ms |
14420 KB |
Output is correct |
36 |
Correct |
214 ms |
66612 KB |
Output is correct |
37 |
Correct |
167 ms |
55484 KB |
Output is correct |
38 |
Correct |
17 ms |
16780 KB |
Output is correct |
39 |
Correct |
9 ms |
15060 KB |
Output is correct |
40 |
Correct |
8 ms |
15072 KB |
Output is correct |
41 |
Correct |
8 ms |
14676 KB |
Output is correct |
42 |
Correct |
86 ms |
35384 KB |
Output is correct |
43 |
Correct |
36 ms |
22768 KB |
Output is correct |
44 |
Correct |
52 ms |
25292 KB |
Output is correct |
45 |
Correct |
7 ms |
14432 KB |
Output is correct |
46 |
Correct |
7 ms |
14420 KB |
Output is correct |
47 |
Correct |
165 ms |
62992 KB |
Output is correct |
48 |
Correct |
121 ms |
57732 KB |
Output is correct |
49 |
Correct |
159 ms |
35644 KB |
Output is correct |
50 |
Correct |
95 ms |
34372 KB |
Output is correct |
51 |
Correct |
120 ms |
36720 KB |
Output is correct |
52 |
Correct |
150 ms |
39300 KB |
Output is correct |
53 |
Correct |
78 ms |
26424 KB |
Output is correct |
54 |
Correct |
140 ms |
52464 KB |
Output is correct |
55 |
Correct |
292 ms |
54052 KB |
Output is correct |
56 |
Correct |
169 ms |
40644 KB |
Output is correct |
57 |
Correct |
192 ms |
44096 KB |
Output is correct |
58 |
Correct |
85 ms |
29320 KB |
Output is correct |
59 |
Correct |
191 ms |
48172 KB |
Output is correct |
60 |
Correct |
162 ms |
43608 KB |
Output is correct |
61 |
Correct |
131 ms |
41676 KB |
Output is correct |