Submission #440140

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
440140	2021-07-01 16:10:05	KULIKOLD	Circle selection (APIO18_circle_selection)	C++17	19 / 100	1461 ms	57400 KiB

circle_selection

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//#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
const int DIM = 3E5+7;
const int INF = 1E9;
struct node{
    ll x,y,r,pos;
} A[DIM];
int P[DIM],ans[DIM];
bool mc(const node &a,const node &b){
    if (a.r==b.r){
        return a.pos<b.pos;
    }
    return a.r>b.r;
}
bool can(const node &a,const node &b){
    return (a.r+b.r)*(a.r+b.r)>=(a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y);
}
int n;
int solve(){
    sort(A+1,A+1+n,mc);
    for(int i = 1;i<=n;++i){
        if (P[i])
            continue;
        P[i] = i;
        ans[A[i].pos] = A[i].pos;
 
 
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• Subtask 2: 12 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 0 / 30
• Subtask 6: 0 / 13