Submission #217752

#	Time	Username	Problem	Language	Result	Execution time	Memory
217752		Vimmer	Circle selection (APIO18_circle_selection)	C++14	7 / 100	3081 ms	18296 KiB

circle_selection

#include <bits/stdc++.h>

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 300005
#define M ll(998244353)

using namespace std;

typedef long double ld;
typedef long long ll;
typedef short int si;



int main()
{
    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;

    cin >> n;

    int ans[n];

    for (int i = 0; i < n; i++) ans[i] = -1;

    ld x[n], y[n], r[n];

    for (int i = 0; i < n; i++) cin >> x[i] >> y[i] >> r[i];

    int s = n;

    while (s > 0)
    {
        int nm = -1;

        for (int i = 0; i < n; i++)
        {
            if (ans[i] != -1) continue;

            if (nm == -1 || r[nm] < r[i]) nm = i;
        }

        for (int i = 0; i < n; i++)
        {
            if (ans[i] != -1) continue;

            ld rst = sqrt(pow(abs(x[nm] - x[i]), 2) + pow(abs(y[nm] - y[i]), 2));

            if (r[nm] + r[i] >= rst) {ans[i] = nm + 1; s--;}
        }
    }

    for (int i = 0; i < n; i++) cout << ans[i] << " ";
}

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