Submission #864560

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
864560	2023-10-23 08:23:55	vnm06	Circle selection (APIO18_circle_selection)	C++14	7 / 100	80 ms	21068 KiB

circle_selection

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#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
int n;
pair<long long, int> pr[300005];
long long x[300005], y[300005], r[300005];
int prem[300005];
void print_ans()
{
    cout<<prem[1];
    for(int j=2; j<=n; j++) cout<<" "<<prem[j];
    cout<<endl;
}
void solve1()
{
    for(int i1=1; i1<=n; i1++)
    {
        int i=pr[i1].second;
        if(prem[i]) continue;
        prem[i]=i;
        for(int j1=i1+1; j1<=n; j1++)
        {
            int j=pr[j1].second;
            if(prem[j]) continue;
            if((r[i]+r[j])*(r[i]+r[j])<(x[i]-x[j])*(x[i]-x[j])+(y[i]-y[j])*(y[i]-y[j])) continue;
            prem[j]=i;
 
 
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• Subtask 2: 0 / 12
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• Subtask 6: 0 / 13