#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxN = 3e5 + 5;
struct Pii {
int a, w;
};
vector<Pii> adj[maxN];
vector<char> col(maxN);
vector<Pii> par(maxN);
ll sum[maxN], mx = 0;
void dfs(int v, int p) {
col[v] = 1;
for(auto u : adj[v]) {
if (p == u.a) continue;
if (col[u.a] == 0) {
dfs(u.a, v);
} else if (col[u.a] == 1) {
if (par[par[u.a].a].a == v) {
ll w = par[par[u.a].a].w + par[u.a].w + u.w;
mx = max(mx, w);
}
}
par[u.a] = {v, u.w};
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, m;
cin >> n >> m;
for(int i = 0; i < m; i++) {
int a, b, w;
cin >> a >> b >> w;
adj[a].push_back({b, w});
adj[b].push_back({a, w});
sum[a] += w;
sum[b] += w;
}
for(int i = 1; i <= n; i++) {
if (col[i] == 0)
dfs(i, -1);
}
for(int i = 1; i <= n; i++) {
mx = max(mx, sum[i]);
}
cout << mx << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
9964 KB |
Output is correct |
2 |
Correct |
8 ms |
9964 KB |
Output is correct |
3 |
Correct |
7 ms |
9964 KB |
Output is correct |
4 |
Correct |
7 ms |
9964 KB |
Output is correct |
5 |
Correct |
7 ms |
9964 KB |
Output is correct |
6 |
Correct |
13 ms |
10676 KB |
Output is correct |
7 |
Correct |
8 ms |
9976 KB |
Output is correct |
8 |
Correct |
7 ms |
9964 KB |
Output is correct |
9 |
Correct |
7 ms |
9964 KB |
Output is correct |
10 |
Correct |
8 ms |
9964 KB |
Output is correct |
11 |
Correct |
8 ms |
10092 KB |
Output is correct |
12 |
Correct |
8 ms |
10240 KB |
Output is correct |
13 |
Correct |
7 ms |
10092 KB |
Output is correct |
14 |
Correct |
8 ms |
9964 KB |
Output is correct |
15 |
Correct |
7 ms |
9964 KB |
Output is correct |
16 |
Correct |
7 ms |
9964 KB |
Output is correct |
17 |
Correct |
8 ms |
9964 KB |
Output is correct |
18 |
Correct |
8 ms |
10092 KB |
Output is correct |
19 |
Correct |
8 ms |
10092 KB |
Output is correct |
20 |
Correct |
8 ms |
9964 KB |
Output is correct |
21 |
Correct |
8 ms |
9964 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
9964 KB |
Output is correct |
2 |
Correct |
8 ms |
9964 KB |
Output is correct |
3 |
Correct |
7 ms |
9964 KB |
Output is correct |
4 |
Correct |
7 ms |
9964 KB |
Output is correct |
5 |
Correct |
7 ms |
9964 KB |
Output is correct |
6 |
Correct |
13 ms |
10676 KB |
Output is correct |
7 |
Correct |
8 ms |
9976 KB |
Output is correct |
8 |
Correct |
7 ms |
9964 KB |
Output is correct |
9 |
Correct |
7 ms |
9964 KB |
Output is correct |
10 |
Correct |
8 ms |
9964 KB |
Output is correct |
11 |
Correct |
8 ms |
10092 KB |
Output is correct |
12 |
Correct |
8 ms |
10240 KB |
Output is correct |
13 |
Correct |
7 ms |
10092 KB |
Output is correct |
14 |
Correct |
8 ms |
9964 KB |
Output is correct |
15 |
Correct |
7 ms |
9964 KB |
Output is correct |
16 |
Correct |
7 ms |
9964 KB |
Output is correct |
17 |
Correct |
8 ms |
9964 KB |
Output is correct |
18 |
Correct |
8 ms |
10092 KB |
Output is correct |
19 |
Correct |
8 ms |
10092 KB |
Output is correct |
20 |
Correct |
8 ms |
9964 KB |
Output is correct |
21 |
Correct |
8 ms |
9964 KB |
Output is correct |
22 |
Correct |
213 ms |
30188 KB |
Output is correct |
23 |
Correct |
187 ms |
18296 KB |
Output is correct |
24 |
Correct |
14 ms |
10604 KB |
Output is correct |
25 |
Correct |
9 ms |
10220 KB |
Output is correct |
26 |
Correct |
52 ms |
10220 KB |
Output is correct |
27 |
Correct |
94 ms |
10168 KB |
Output is correct |
28 |
Correct |
75 ms |
18028 KB |
Output is correct |
29 |
Correct |
30 ms |
11884 KB |
Output is correct |
30 |
Correct |
67 ms |
13932 KB |
Output is correct |
31 |
Correct |
7 ms |
10092 KB |
Output is correct |
32 |
Correct |
7 ms |
10092 KB |
Output is correct |
33 |
Correct |
174 ms |
28396 KB |
Output is correct |
34 |
Correct |
130 ms |
24812 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
150 ms |
23404 KB |
Output is correct |
2 |
Correct |
271 ms |
22360 KB |
Output is correct |
3 |
Correct |
74 ms |
15340 KB |
Output is correct |
4 |
Correct |
163 ms |
18696 KB |
Output is correct |
5 |
Correct |
324 ms |
27372 KB |
Output is correct |
6 |
Correct |
37 ms |
12140 KB |
Output is correct |
7 |
Correct |
107 ms |
26348 KB |
Output is correct |
8 |
Correct |
119 ms |
26256 KB |
Output is correct |
9 |
Correct |
11 ms |
12396 KB |
Output is correct |
10 |
Correct |
45 ms |
13420 KB |
Output is correct |
11 |
Correct |
98 ms |
23132 KB |
Output is correct |
12 |
Correct |
72 ms |
14188 KB |
Output is correct |
13 |
Correct |
7 ms |
9964 KB |
Output is correct |
14 |
Correct |
38 ms |
13548 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
150 ms |
23404 KB |
Output is correct |
2 |
Correct |
271 ms |
22360 KB |
Output is correct |
3 |
Correct |
74 ms |
15340 KB |
Output is correct |
4 |
Correct |
163 ms |
18696 KB |
Output is correct |
5 |
Correct |
324 ms |
27372 KB |
Output is correct |
6 |
Correct |
37 ms |
12140 KB |
Output is correct |
7 |
Correct |
107 ms |
26348 KB |
Output is correct |
8 |
Correct |
119 ms |
26256 KB |
Output is correct |
9 |
Correct |
11 ms |
12396 KB |
Output is correct |
10 |
Correct |
45 ms |
13420 KB |
Output is correct |
11 |
Correct |
98 ms |
23132 KB |
Output is correct |
12 |
Correct |
72 ms |
14188 KB |
Output is correct |
13 |
Correct |
7 ms |
9964 KB |
Output is correct |
14 |
Correct |
38 ms |
13548 KB |
Output is correct |
15 |
Correct |
7 ms |
9964 KB |
Output is correct |
16 |
Correct |
8 ms |
9964 KB |
Output is correct |
17 |
Correct |
7 ms |
9964 KB |
Output is correct |
18 |
Correct |
7 ms |
9964 KB |
Output is correct |
19 |
Correct |
7 ms |
9964 KB |
Output is correct |
20 |
Correct |
13 ms |
10676 KB |
Output is correct |
21 |
Correct |
8 ms |
9976 KB |
Output is correct |
22 |
Correct |
7 ms |
9964 KB |
Output is correct |
23 |
Correct |
7 ms |
9964 KB |
Output is correct |
24 |
Correct |
8 ms |
9964 KB |
Output is correct |
25 |
Correct |
8 ms |
10092 KB |
Output is correct |
26 |
Correct |
8 ms |
10240 KB |
Output is correct |
27 |
Correct |
7 ms |
10092 KB |
Output is correct |
28 |
Correct |
8 ms |
9964 KB |
Output is correct |
29 |
Correct |
7 ms |
9964 KB |
Output is correct |
30 |
Correct |
7 ms |
9964 KB |
Output is correct |
31 |
Correct |
8 ms |
9964 KB |
Output is correct |
32 |
Correct |
8 ms |
10092 KB |
Output is correct |
33 |
Correct |
8 ms |
10092 KB |
Output is correct |
34 |
Correct |
8 ms |
9964 KB |
Output is correct |
35 |
Correct |
8 ms |
9964 KB |
Output is correct |
36 |
Correct |
213 ms |
30188 KB |
Output is correct |
37 |
Correct |
187 ms |
18296 KB |
Output is correct |
38 |
Correct |
14 ms |
10604 KB |
Output is correct |
39 |
Correct |
9 ms |
10220 KB |
Output is correct |
40 |
Correct |
52 ms |
10220 KB |
Output is correct |
41 |
Correct |
94 ms |
10168 KB |
Output is correct |
42 |
Correct |
75 ms |
18028 KB |
Output is correct |
43 |
Correct |
30 ms |
11884 KB |
Output is correct |
44 |
Correct |
67 ms |
13932 KB |
Output is correct |
45 |
Correct |
7 ms |
10092 KB |
Output is correct |
46 |
Correct |
7 ms |
10092 KB |
Output is correct |
47 |
Correct |
174 ms |
28396 KB |
Output is correct |
48 |
Correct |
130 ms |
24812 KB |
Output is correct |
49 |
Correct |
111 ms |
16212 KB |
Output is correct |
50 |
Correct |
108 ms |
14400 KB |
Output is correct |
51 |
Correct |
111 ms |
18016 KB |
Output is correct |
52 |
Correct |
133 ms |
20688 KB |
Output is correct |
53 |
Correct |
61 ms |
14688 KB |
Output is correct |
54 |
Correct |
112 ms |
21228 KB |
Output is correct |
55 |
Correct |
331 ms |
41756 KB |
Output is correct |
56 |
Correct |
220 ms |
34796 KB |
Output is correct |
57 |
Incorrect |
195 ms |
24928 KB |
Output isn't correct |
58 |
Halted |
0 ms |
0 KB |
- |