제출 #771915

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
771915	2023-07-03 11:51:12	mcdx9524	원 고르기 (APIO18_circle_selection)	C++17	0 / 100	367 ms	45976 KiB

circle_selection

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct circle {
    int x, y, r, index;
};
vector <vector <circle> > build_matrix(vector <circle> circles, int sz) {
    sort(circles.begin(), circles.end(), [](const circle &a, const circle &b) {
        return a.x < b.x; 
    });
    int n = (int) circles.size();
    vector <circle> cur;
    vector <vector <circle> > res;
    for (int i = 0; i < n; i++) {
        if (cur.empty() || cur.back().x / sz == circles[i].x / sz) {
            cur.push_back(circles[i]);
        } else {
            res.push_back(cur);
            cur = {circles[i]};
        }
    }   
    if (!cur.empty()) {
        res.push_back(cur);
    }
    for (auto &to : res) {
        sort(to.begin(), to.end(), [](const circle &a, const circle &b) {
 
 
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