//DUEL
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define x first
#define y second
#define pii pair<int,int>
#define pb push_back
#define eb emplace_back
#pragma GCC optimize("unroll-loops")
#define shandom_ruffle(a, b) shuffle(a, b, rng)
#define vi vector<int>
#define vl vector<ll>
#define popcnt __builtin_popcount
#define popcntll __builtin_popcountll
#define all(a) begin(a),end(a)
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using ull=unsigned long long;
using ld=long double;
int MOD=1000000007;
int MOD2=998244353;
vector<int> bases;
const ll LLINF=1ll<<60;
const char en='\n';
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void yes() {cout<<"YES"<<en; exit(0);}
void no() {cout<<"NO"<<en; exit(0);}
inline int rund() {int x576363482791fuweh=rng();return abs(x576363482791fuweh)%RAND_MAX;}
template<class T>
void prVec(vector<T> w,bool fl=false)
{
cout<<w.size()<<en;
for (int i=0;i<int(w.size())-1;++i) cout<<w[i]<<' ';
if (w.size()) cout<<w[w.size()-1]<<en;
if (fl) cout<<flush;
}
void M998()
{
swap(MOD,MOD2);
}
ll raand()
{
ll a=rund();
a*=RAND_MAX;
a+=rund();
return a;
}
#define rand raand
ll raaand()
{
return raand()*(MOD-7)+raand();
}
void compress(vi&v)
{
set<int> s;
for (auto a: v) s.insert(a);
vi o(all(s));
for (auto&a: v) a=lower_bound(all(o),a)-o.begin();
}
void compress(vl&v)
{
set<ll> s;
for (auto a: v) s.insert(a);
vl o(all(s));
for (auto&a: v) a=lower_bound(all(o),a)-o.begin();
}
string to_upper(string a)
{
for (int i=0;i<(int)a.size();++i) if (a[i]>='a' && a[i]<='z') a[i]-='a'-'A';
return a;
}
string to_lower(string a)
{
for (int i=0;i<(int)a.size();++i) if (a[i]>='A' && a[i]<='Z') a[i]+='a'-'A';
return a;
}
ll sti(string a,int base=10)
{
ll k=0;
for (int i=0;i<(int)a.size();++i)
{
k*=base;
k+=a[i]-'0';
}
return k;
}
template<class T>
void eras(vector<T>& a,T b)
{
a.erase(find(a.begin(),a.end(),b));
}
string its(ll k,int base=10)
{
if (k==0) return "0";
string a;
while (k)
{
a.push_back((k%base)+'0');
k/=base;
}
reverse(a.begin(),a.end());
return a;
}
ll min(ll a,int b)
{
if (a<b) return a;
return b;
}
ll min(int a,ll b)
{
if (a<b) return a;
return b;
}
ll max(ll a,int b)
{
if (a>b) return a;
return b;
}
ll max(int a,ll b)
{
if (a>b) return a;
return b;
}
ll gcd(ll a,ll b)
{
if (b==0) return a;
return gcd(b,a%b);
}
ll lcm(ll a,ll b)
{
return a/gcd(a,b)*b;
}
template<class T,class K>
pair<T,K> mp(T a,K b)
{
return make_pair(a,b);
}
inline int mult(ll a,ll b)
{
return (a*b)%MOD;
}
inline int pot(int n,int k)
{
if (k==0) return 1;
ll a=pot(n,k/2);
a=mult(a,a);
if (k%2) return mult(a,n);
else return a;
}
int divide(int a,int b)
{
return mult(a,pot(b,MOD-2));
}
inline int sub(int a,int b)
{
if (a-b>=0) return a-b;
return a-b+MOD;
}
inline int add(int a,int b)
{
if (a+b>=MOD) return a+b-MOD;
return a+b;
}
bool prime(ll a)
{
if (a==1) return 0;
for (int i=2;i<=round(sqrt(a));++i)
{
if (a%i==0) return 0;
}
return 1;
}
const int N=300010;
int n,m,k,a[N],b[N],par[N];
vector<pii> ch[N];
vector<pair<int,vector<pii>>> po;
ll si[N],ss[N],x[N],re,ma;
vi co;
int find(int i)
{
if (i==par[i]) return i;
return par[i]=find(par[i]);
}
void merge(int i,int j)
{
i=find(i);
j=find(j);
par[i]=j;
si[j]+=si[i];
}
void dfs(int i,int p=-1)
{
ss[i]=si[i];
for (auto d: ch[i]) if (d.x!=p)
{
dfs(d.x,i);
ss[i]+=ss[d.x];
re+=ss[d.x]*d.y;
//cout<<i<<' '<<d.x<<' '<<ss[d.x]<<en;
}
}
void wor(int r)
{
re=0;
dfs(r);
ma=max(ma,re);
}
void rek(int i)
{
if (i==po.size())
{
wor(find(1));
return;
}
auto v=po[i].y;
for (int j=0;j<(int)v.size()-1;++j)
{
int a=find(v[j].x),b=find(v[j].y);
ch[a].eb(b,po[i].x);
ch[b].eb(a,po[i].x);
rek(i+1);
eras(ch[a],mp(b,po[i].x));
eras(ch[b],mp(a,po[i].x));
}
int a=find(v.back().x),b=find(v.back().y);
ch[a].eb(b,0);
ch[b].eb(a,0);
rek(i+1);
eras(ch[a],mp(b,0));
eras(ch[b],mp(a,0));
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
for (int i=0;i<10;++i) bases.push_back(rand()%(MOD-13893829*2)+13893829);
cin>>n>>m>>k;
vector<pair<int,pii>> ed;
while (m--)
{
int a,b,c;
cin>>a>>b>>c;
ed.eb(c,mp(a,b));
}
sort(all(ed));
for (int i=0;i<k;++i) cin>>a[i]>>b[i];
for (int i=1;i<=n;++i)
{
cin>>x[i];
par[i]=i;
}
vector<pii> fin;
for (auto z: ed)
{
if (find(z.y.x)==find(z.y.y)) continue;
vector<pii> cand;
pii zy={find(z.y.x),find(z.y.y)};
for (int i=0;i<k;++i)
{
//cout<<zy.x<<' '<<zy.y<<' '<<find(a[i])<<' '<<find(b[i])<<en;
if (zy==mp(find(a[i]),find(b[i])) || zy==mp(find(b[i]),find(a[i]))) cand.eb(a[i],b[i]);
}
if (cand.size())
{
cand.pb(z.y);
po.eb(z.x,cand);
}
else fin.pb(z.y);
merge(z.y.x,z.y.y);
}
for (int i=1;i<=n;++i) par[i]=i,si[i]=x[i];
for (auto a: fin)
{
merge(a.x,a.y);
//cout<<a.x<<' '<<a.y<<en;
}
/*for (auto a: po)
{
cout<<a.x<<en;
for (auto b: a.y) cout<<b.x<<' '<<b.y<<en;
}*/
rek(0);
cout<<ma;
}
Compilation message
toll.cpp: In function 'void rek(int)':
toll.cpp:244:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (i==po.size())
~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 2 |
Correct |
9 ms |
7424 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 2 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 3 |
Incorrect |
9 ms |
7552 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 2 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 3 |
Incorrect |
9 ms |
7552 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 2 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 3 |
Incorrect |
9 ms |
7552 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 2 |
Correct |
9 ms |
7424 KB |
Output is correct |
| 3 |
Incorrect |
9 ms |
7552 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
