제출 #771917

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
7719172023-07-03 11:52:59mcdx9524원 고르기 (APIO18_circle_selection)C++17
19 / 100
738 ms95832 KiB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int long long
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);
}
 
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