#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5 + 5;
vector<pair<int,int> > Greedy, G[N];
bool pro[N];
ll sm[N], p[N];
int n, m, k;
int main()
{
cin >> n >> m >> k;
for(int i = 0; i < m; i ++)
{
int u, v, w;
cin >> u >> v >> w;
G[u].push_back({w, v});
G[v].push_back({w, u});
}
for(int i = 0; i < k; i ++)
{
int u, v;
cin >> u >> v;
Greedy.push_back({u, v});
}
for(int i = 1; i <= n; i ++)
cin >> p[i];
ll ans = 0;
set<pair<int,pair<int,int> > > s;
for(auto [w, v] : G[1])
s.insert({w, {v, 1}});
pro[1] = true;
while(s.size())
{
int u = s.begin()->second.second;
int v = s.begin()->second.first, w = s.begin()->first;
s.erase(s.begin());
if(pro[v]) continue;
sm[v] = sm[u];
for(int i = 0; i < k; i ++)
{
if(Greedy[i].first == v && pro[Greedy[i].second] ||
pro[Greedy[i].first] && Greedy[i].second == v)
{
int o = Greedy[i].first + Greedy[i].second - v;
if(sm[o] + w > sm[v])
sm[v] = sm[o] + w;
}
}
pro[v] = true;
ans += sm[v] * p[v];
// cerr << "sm[" << v << "] = " << sm[v] << endl;
for(auto [l, r] : G[v])
s.insert({l, {r, v}});
}
cout << ans << endl;
return 0;
}
Compilation message
toll.cpp: In function 'int main()':
toll.cpp:52:28: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
52 | if(Greedy[i].first == v && pro[Greedy[i].second] ||
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
4184 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
4184 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
4184 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
4184 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
4184 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |