#include <bits/stdc++.h>
using namespace std;
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define print(v,r) f(i,0,r) cout<<v[i]<<" "; cout<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define Add(x,y) x=(x+y)%mod
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
const int N=270,M=10101,Mx=30000;
int n,m,ans1=1e9,ans2=1e9,s[N],t[N],a[N],b[N],par[N];
vector<pair<int,int> > v,mv,vans;
int Get_par(int u){
if(par[u]<0) return u;
return par[u]=Get_par(par[u]);
}
void merge(int u,int v){
u=Get_par(u),v=Get_par(v);
if(par[u]>par[v]) swap(u,v);
par[u]+=par[v];
par[v]=u;
}
void find_mst(){
fill(par,par+N,-1);
sort(v.begin(),v.end());
mv.clear();
int sum1=0,sum2=0;
f(i,0,v.size()){
int x=s[v[i].S],y=t[v[i].S];
if(Get_par(x)!=Get_par(y)){
sum1+=a[v[i].S],sum2+=b[v[i].S];
merge(x,y);
mv.pb(mp(x,y));
}
}
if(1ll*sum1*sum2<1ll*ans1*ans2){
ans1=sum1,ans2=sum2;
vans=mv;
}
}
void solve(){
f(i,-Mx,Mx){
v.clear();
f(j,0,m){
v.pb(mp(a[j]+i*b[j],j));
}
find_mst();
}
}
int main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin>>n>>m;
f(i,0,m){
cin>>s[i]>>t[i]>>a[i]>>b[i];
}
solve();
f(i,0,m){
swap(a[i],b[i]);
}
solve();
cout<<ans1<<" "<<ans2<<endl;
f(i,0,vans.size()){
cout<<vans[i].F<<" "<<vans[i].S<<endl;
}
}
/*
5 7
0 1 161 79
0 2 161 15
0 3 13 153
1 4 142 183
2 4 236 80
3 4 40 241
2 1 65 92
*/
Compilation message
timeismoney.cpp: In function 'void find_mst()':
timeismoney.cpp:7:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define f(i,a,b) for(int i=a;i<b;i++)
......
40 | f(i,0,v.size()){
| ~~~~~~~~~~~~
timeismoney.cpp:40:2: note: in expansion of macro 'f'
40 | f(i,0,v.size()){
| ^
timeismoney.cpp: In function 'int main()':
timeismoney.cpp:7:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define f(i,a,b) for(int i=a;i<b;i++)
......
75 | f(i,0,vans.size()){
| ~~~~~~~~~~~~~~~
timeismoney.cpp:75:2: note: in expansion of macro 'f'
75 | f(i,0,vans.size()){
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
915 ms |
332 KB |
Output is correct |
| 2 |
Correct |
62 ms |
204 KB |
Output is correct |
| 3 |
Correct |
100 ms |
204 KB |
Output is correct |
| 4 |
Correct |
267 ms |
308 KB |
Output is correct |
| 5 |
Incorrect |
296 ms |
204 KB |
Output isn't correct |
| 6 |
Incorrect |
80 ms |
312 KB |
Output isn't correct |
| 7 |
Incorrect |
190 ms |
452 KB |
Output isn't correct |
| 8 |
Incorrect |
283 ms |
332 KB |
Output isn't correct |
| 9 |
Correct |
64 ms |
204 KB |
Output is correct |
| 10 |
Correct |
140 ms |
304 KB |
Output is correct |
| 11 |
Correct |
103 ms |
308 KB |
Output is correct |
| 12 |
Incorrect |
278 ms |
204 KB |
Output isn't correct |
| 13 |
Correct |
275 ms |
320 KB |
Output is correct |
| 14 |
Incorrect |
68 ms |
324 KB |
Output isn't correct |
| 15 |
Incorrect |
151 ms |
204 KB |
Output isn't correct |
| 16 |
Incorrect |
69 ms |
332 KB |
Output isn't correct |
| 17 |
Incorrect |
776 ms |
452 KB |
Output isn't correct |
| 18 |
Incorrect |
464 ms |
332 KB |
Output isn't correct |
| 19 |
Incorrect |
285 ms |
332 KB |
Output isn't correct |
| 20 |
Incorrect |
134 ms |
332 KB |
Output isn't correct |
