oj.uz

Submission #1029232

# Submission time Handle Problem Language Result Execution time Memory
1029232 2024-07-20T14:07:04 Z lucri timeismoney (balkan11_timeismoney) C++17
50 / 100
 2000 ms 1116 KB 
#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;
    long long c1=sumt,c2=summ;
    imbunatatire(x,y,c1,c2);
    imbunatatire(xx,yy,c1,c2);
}
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;
}

Subtask #1
50.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 11 ms 1116 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Incorrect 0 ms 348 KB Output isn't correct
11 Incorrect 0 ms 348 KB Output isn't correct
12 Incorrect 0 ms 348 KB Output isn't correct
13 Correct 1 ms 348 KB Output is correct
14 Incorrect 10 ms 348 KB Output isn't correct
15 Incorrect 6 ms 348 KB Output isn't correct
16 Incorrect 167 ms 604 KB Output isn't correct
17 Incorrect 224 ms 588 KB Output isn't correct
18 Incorrect 192 ms 604 KB Output isn't correct
19 Execution timed out 2094 ms 1116 KB Time limit exceeded
20 Execution timed out 2051 ms 1116 KB Time limit exceeded