제출 #107112

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
107112	2019-04-22 03:43:26	tictaccat	원 고르기 (APIO18_circle_selection)	C++14	19 / 100	3056 ms	270652 KiB

circle_selection

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MAX = 3e5;
int n;
int gridSize;
vector<pair<int,pair<int,int>>> circles(MAX);
unordered_map<int,vector<int>> grid;
set<pair<int,int>> cur;
vector<int> elim(MAX,-1);
int dist(pair<int,int> p1, pair<int,int> p2) {return (p2.first-p1.first)*(p2.first-p1.first) + (p2.second-p1.second)*(p2.second-p1.second);}
bool intsct(pair<int,pair<int,int>> c1, pair<int,pair<int,int>> c2) {return dist(c1.second,c2.second) <= (c1.first+c2.first)*(c1.first+c2.first);}
int toInt(int xbin, int ybin) {return xbin + ybin * (int)(5e9);}
void makeGrid() {
    grid.clear();
    grid.reserve(count(elim.begin(),elim.end(),-1));
    for (int i = 0; i < n; i++) {
        if (elim[i] != -1) continue;
        auto c = circles[i]; auto p = c.second;
        int xbin = p.first/gridSize; int ybin = p.second/gridSize;
       // cout << toInt(p) << "\n";
        //assert (toInt(p) < numeric_limits<long long>::max());
        if (grid.count(toInt(xbin,ybin)) == 0) grid[toInt(xbin,ybin)] = {i};
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

circle_selection.cpp:35:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

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