#include<bits/stdc++.h>
#define lf double
#define ll long long
#define cc pair<char,char>
#define ull unsigned ll
#define ii pair<int,int>
#define li pair<ll,int>
#define iii pair<int,ii>
#define iiii pair<ii,ii>
#define iiii2 pair<int,iii>
#define lii pair<ll,ii>
#define lolo pair<ll,ll>
#define heap priority_queue
#define mp make_pair
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define all(x) x.begin(),x.end()
#define len(x) strlen(x)
#define sz(x) (int) x.size()
#define orta ((bas+son)/2)
#define min3(x,y,z) min(min(x,y),z)
#define max3(x,y,z) max(max(x,y),z)
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define MOD 1000000000
#define inf 1000000000
#define N 5005
#define LOG 20
#define magic 100
#define KOK 250
#define EPS 0.0025
#define pw(x) (1<<(x))
#define PI 3.1415926535
using namespace std;
#define iii2 pair< ii,int>
int n,m,k,x,y,z,tot;
int ar[30];
ii a[N];
iii e[N];
ll sub[N];
int ata[N],p[N];
bool ok[N];
vector<iii2> v[N];
ll ans,top;
void dfs(int node,int ata) {
sub[node]=p[node];
for(iii2 to:v[node]) {
if(to.st.st==ata) continue ;
dfs(to.st.st,node);
sub[node]+=sub[to.st.st];
if(to.nd) top+=1ll*to.st.nd*sub[to.st.st];
}
}
int bul(int node) {
if(ata[node]==node) return node;
return ata[node]=bul(ata[node]);
}
void build() {
for(int i=1;i<=n;i++) ata[i]=i;
for(int i=1;i<=tot;i++) ok[i]=0;
for(int i=1;i<=n;i++) v[i].clear();
for(int i=1;i<=m;i++) {
int n1=e[i].nd.st;
int n2=e[i].nd.nd;
int r1=bul(n1);
int r2=bul(n2);
if(r1==r2) continue ;
int bug=0;
int tut=0;
for(int i=1;i<=tot;i++) {
if(ok[i]) continue ;
int rr1=bul(a[ar[i]].st);
int rr2=bul(a[ar[i]].nd);
if(rr1==r1 && rr2==r2) {
bug++;
tut=ar[i];
}
}
if(bug>1) return ;
ata[r1]=r2;
if(bug==1) {
ok[tut]=1;
v[a[tut].st].pb({{a[tut].nd,e[i].st},1});
v[a[tut].nd].pb({{a[tut].st,e[i].st},1});
}
else {
v[n1].pb({{n2,e[i].st},0});
v[n2].pb({{n1,e[i].st},0});
}
}
dfs(1,0);
ans=max(ans,top);
}
int main() {
freopen("input.txt","r",stdin);
scanf("%d %d %d",&n,&m,&k);
for(int i=1;i<=m;i++) {
scanf("%d %d %d",&x,&y,&z);
e[i]={z,{x,y}};
}
for(int i=0;i<k;i++) {
scanf("%d %d",&x,&y);
a[i]={x,y};
}
sort(e+1,e+1+m);
for(int i=1;i<=n;i++) {
scanf("%d",&p[i]);
}
for(int i=0;i<pw(k);i++) {
tot=0;
top=0;
for(int num=i;num>0;num-=(num&-num)) {
int no=(num&-num);
ar[++tot]=log2(no);
}
build();
}
printf("%lld",ans);
}
Compilation message
toll.cpp: In function 'int main()':
toll.cpp:144:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen("input.txt","r",stdin);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:146:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&n,&m,&k);
~~~~~^~~~~~~~~~~~~~~~~~~~~
toll.cpp:150:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&x,&y,&z);
~~~~~^~~~~~~~~~~~~~~~~~~~~
toll.cpp:158:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&x,&y);
~~~~~^~~~~~~~~~~~~~~
toll.cpp:168:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&p[i]);
~~~~~^~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
760 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
760 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
760 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
760 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
760 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
