Submission #1029231

#	Time	Username	Problem	Language	Result	Execution time	Memory
1029231		lucri	timeismoney (balkan11_timeismoney)	C++17	50 / 100	858 ms	1492 KiB

timeismoney

#include <bits/stdc++.h>
using namespace std;
long long t[210],u[10010],v[10010],ti[10010],mo[10010],n,m,vmax=2000000000000000000,st,sm,p1,p2;
long long sumt,summ;
struct muchii{long long u,v,val,valt,valm;}a[10010];
long long tata(long long n)
{
    if(t[n]==n)return n;
    return t[n]=tata(t[n]);
}
long long x,xx,y,yy;
bool comp(muchii a,muchii b)
{
    if(a.val!=b.val)return a.val<b.val;
    if(a.u!=b.u)return a.u<b.u;
    if(a.v!=b.v)return a.v<b.v;
    return a.valt<b.valt;
}
void calculeaza(long long v1,long long v2)
{
    for(long long i=0;i<n;++i)
        t[i]=i;
    for(long long i=1;i<=m;++i)
        a[i]={u[i],v[i],ti[i]*v1+mo[i]*v2,ti[i],mo[i]};
    sumt=summ=0;
    sort(a+1,a+m+1,comp);
    for(long long i=1;i<=m;++i)
    {
        if(tata(a[i].u)!=tata(a[i].v))
        {
            t[t[a[i].u]]=t[a[i].v];
            sumt+=a[i].valt;
            summ+=a[i].valm;
        }
    }
}
void scrie(long long v1,long long v2)
{
    for(long long i=0;i<n;++i)
        t[i]=i;
    for(long long i=1;i<=m;++i)
        a[i]={u[i],v[i],ti[i]*v1+mo[i]*v2,ti[i],mo[i]};
    sort(a+1,a+m+1,comp);
    for(long long i=1;i<=m;++i)
    {
        if(tata(a[i].u)!=tata(a[i].v))
        {
            t[t[a[i].u]]=t[a[i].v];
            cout<<a[i].u<<' '<<a[i].v<<'\n';
        }
    }
}
long long det(long long x,long long y,long long xx,long long yy,long long xxx,long long yyy)
{
    return x*yy+xx*yyy+xxx*y-xx*y-xxx*yy-x*yyy;
}
unordered_set<long long>viz;
void imbunatatire(int x,int y,int xx,int yy)
{
    if(viz.find(x*1000000000000000000+y*1000000000000+xx*1000000+yy)!=viz.end())
        return;
    viz.insert(x*1000000000000000000+y*1000000000000+xx*1000000+yy);
    calculeaza(abs(xx-x),abs(yy-y));
    if(sumt*summ<vmax)
    {
        st=sumt,sm=summ;
        vmax=sumt*summ;
        p1=abs(xx-x);
        p2=abs(yy-y);
    }
    if(det(x,y,xx,yy,sumt,summ)==0)
        return;
    int c1=sumt,c2=summ;
    imbunatatire(x,y,sumt,summ);
    imbunatatire(xx,yy,sumt,summ);
}
int main()
{
    cin>>n>>m;
    for(long long i=1;i<=m;++i)
        cin>>u[i]>>v[i]>>ti[i]>>mo[i];
    calculeaza(1,0);
    if(sumt*summ<vmax)
    {
        st=sumt,sm=summ;
        vmax=sumt*summ;
        p1=1;
        p2=0;
    }
    x=sumt;
    y=summ;
    calculeaza(0,1);
    if(sumt*summ<vmax)
    {
        st=sumt,sm=summ;
        vmax=sumt*summ;
        p1=0;
        p2=1;
    }
    xx=sumt;
    yy=summ;
    imbunatatire(x,y,xx,yy);
    cout<<st<<' '<<sm<<'\n';
    scrie(1,1);
    return 0;
}

Compilation message (stderr)

timeismoney.cpp: In function 'void imbunatatire(int, int, int, int)':
timeismoney.cpp:73:9: warning: unused variable 'c1' [-Wunused-variable]
   73 |     int c1=sumt,c2=summ;
      |         ^~
timeismoney.cpp:73:17: warning: unused variable 'c2' [-Wunused-variable]
   73 |     int c1=sumt,c2=summ;
      |                 ^~

• Subtask 1: 50 / 100