제출 #1043433

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1043433		vjudge1	원 고르기 (APIO18_circle_selection)	C++17	7 / 100	165 ms	7508 KiB

circle_selection

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const ll N = 3e5 + 10;
ll n, a[N][3], par[N];

ll dist(ll a, ll b, ll x, ll y){
    return ((x - a) * (x - a) + (y - b) * (y - b));
}

int main(){
    cin >> n;
    for (ll i = 1; i <= n; i ++)
        for (ll j = 0; j < 3; j ++)
            cin >> a[i][j];

    if (n <= 5000){
        while (1){
            ll mx = -1;
            for (ll i = 1; i <= n; i ++)
                if (!par[i] and (mx == -1 or a[i][2] > a[mx][2]))
                    mx = i;

            if (mx == -1) break;

            for (ll i = 1; i <= n; i ++)
                if (!par[i] and dist(a[i][0], a[i][1], a[mx][0], a[mx][1]) <= (a[i][2] + a[mx][2]) * (a[i][2] + a[mx][2]))
                    par[i] = mx;
        }

        for (ll i = 1; i <= n; i ++)
            cout << par[i] << " ";
        cout << endl;
    }
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 0 / 30
• Subtask 6: 0 / 13